172 results match your criteria Applied Composite Materials[Journal]


The Influence of Non-Uniformities on the Mechanical Behavior of Hemp-Reinforced Composite Materials with a Dammar Matrix.

Materials (Basel) 2019 Apr 15;12(8). Epub 2019 Apr 15.

Department of Applied Mathematics, University of Craiova, 13 A.I. Cuza, 200396 Craiova, Romania.

As a result of manufacture, composite materials can appear to have variations to their properties due to the existence of structural changes. In this paper, we studied the influence of material irregularity on the mechanical behavior of two categories of bars for which we have used hemp fabric as a reinforcing material. The common matrix is a hybrid resin based on Dammar and epoxy resin. Read More

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https://www.mdpi.com/1996-1944/12/8/1232
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http://dx.doi.org/10.3390/ma12081232DOI Listing
April 2019
1 Read

Improved DC Dielectric Performance of cPP-g-MAH/iPP/SEBS Composite with Chemical Graft Modification.

Materials (Basel) 2019 Apr 2;12(7). Epub 2019 Apr 2.

Zhongtian Technology Submarine Cable Co., Ltd., Nantong 226000, China.

In order to achieve both high toughness and favorable dielectric properties of polypropylene materials, a styrene⁻butadiene⁻styrene block copolymer (SEBS) was employed as a toughening filler, in addition to a copolymerized polypropylene grafted by maleic anhydride (cPP--MAH) as a compatibilization modifier, to develop a novel isotactic polypropylene (iPP) composite (cPP--MAH/iPP/SEBS composite) with significantly improved direct-current (DC) dielectric performance and tenacity. The underlying physical and chemical mechanisms of modifying electric insulation were studied utilizing micro-structure characterization methods in combination with multiple thermal⁻mechanic⁻electric tests. The SEBS phase islands are uniformly distributed in the PP matrix with evidently improved dispersion due to cPP--MAH compatibilization. Read More

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http://dx.doi.org/10.3390/ma12071094DOI Listing

Injectable Hydrogels Based on Pluronic/Water Systems Filled with Alginate Microparticles for Biomedical Applications.

Materials (Basel) 2019 Apr 2;12(7). Epub 2019 Apr 2.

i3N/CENIMAT, Department of Materials Science, Faculty of Sciences and Technology, Universidade, NOVA de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal.

A (model) composite system for drug delivery was developed based on a thermoresponsive hydrogel loaded with microparticles. We used Pluronic F127 hydrogel as the continuous phase and alginate microparticles as the dispersed phase of this composite system. It is well known that Pluronic F127 forms a gel when added to water in an appropriate concentration and in a certain temperature range. Read More

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http://dx.doi.org/10.3390/ma12071083DOI Listing

Bending Properties of Zigzag-Shaped 3D Woven Spacer Composites: Experiment and FEM Simulation.

Materials (Basel) 2019 Apr 1;12(7). Epub 2019 Apr 1.

School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, China.

Conventionally laminated spacer composites are extensively applied in many fields owing to their light weight. However, their impact resistance, interlaminar strength, and integrity are poor. In order to overcome these flaws, the zigzag-shaped 3D woven spacer composites were rationally designed. Read More

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http://dx.doi.org/10.3390/ma12071075DOI Listing

A Semi-Empirical Deflection-Based Method for Crack Width Prediction in Accelerated Construction of Steel Fibrous High-Performance Composite Small Box Girder.

Materials (Basel) 2019 Mar 22;12(6). Epub 2019 Mar 22.

College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China.

Accelerated construction in the form of steel⁻concrete composite beams is among the most efficient methods to construct highway bridges. One of the main problems with this type of composite structures, which has not yet been fully clarified in the case of continuous beam, is the crack zone initiation that gradually expands through the beam width. In the current study, a semi-empirical model was proposed to predict the size of cracks in terms of small box girder deflection and intensity of load applied on the structure. Read More

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http://dx.doi.org/10.3390/ma12060964DOI Listing

Mechanical and Cytocompatibility Evaluation of UHMWPE/PCL/Bioglass Fibrous Composite for Acetabular Labrum Implant.

Materials (Basel) 2019 Mar 19;12(6). Epub 2019 Mar 19.

School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, NSW 2006, Australia.

In this study, a fibrous composite was developed as synthetic graft for labral reconstruction treatment, comprised of ultra-high molecular weight polyethylene (UHMWPE) fabric, ultrafine fibre of polycaprolactone (PCL), and 45S5 Bioglass. This experiment aimed to examine the mechanical performance and cytocompatibility of the composite. Electrospinning and a slurry dipping technique were applied for composite fabrication. Read More

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http://dx.doi.org/10.3390/ma12060916DOI Listing

Oxidation Resistance and Microstructure Evaluation of a Polymer Derived Ceramic (PDC) Composite Coating Applied onto Sintered Steel.

Materials (Basel) 2019 Mar 19;12(6). Epub 2019 Mar 19.

Materials Laboratory (LabMat), Mechanical Engineering Department, Federal University of Santa Catarina, Florianópolis BR-88040-900, Brazil.

Powder metallurgy is a competitive technology to produce ferrous near net shape parts for diverse engineering applications. However, their inherent porosity increases the susceptibility to oxidation and sealing their surface is mandatory to avoid premature degradation. Alongside, polymer derived ceramics (PDCs), such as silicon-carbonitride, have drawn attention concerning their high temperature and chemical stability. Read More

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http://dx.doi.org/10.3390/ma12060914DOI Listing

Tribological Properties of Molybdenum Disulfide and Helical Carbon Nanotube Modified Epoxy Resin.

Materials (Basel) 2019 Mar 18;12(6). Epub 2019 Mar 18.

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.

In this study, epoxy resin (EP) composites were prepared by using molybdenum disulfide (MoS₂) and helical carbon nanotubes (H-CNTs) as the antifriction and reinforcing phases, respectively. The effects of MoS₂ and H-CNTs on the friction coefficient, wear amount, hardness, and elastic modulus of the composites were investigated. The tribological properties of the composites were tested using the UMT-3MT friction testing machine, non-contact three-dimensional surface profilometers, and nanoindenters. Read More

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http://dx.doi.org/10.3390/ma12060903DOI Listing

Synthesis of Nanocrystalline AZ91 Magnesium Alloy Dispersed with 15 vol.% Submicron SiC Particles by Mechanical Milling.

Materials (Basel) 2019 Mar 18;12(6). Epub 2019 Mar 18.

Shandong Key Laboratory for High Strength Lightweight Metallic Materials, Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China.

The development of a magnesium matrix composite with a high content of dispersions using conventional liquid-phase process is a great challenge, especially for nanometer/submicron particles. In this work, mechanical milling was employed to prepare nanocrystalline AZ91 dispersed with 15 vol.% submicron SiC particles (SiCp/AZ91). Read More

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http://dx.doi.org/10.3390/ma12060901DOI Listing
March 2019
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Progressive Failure Simulation of Notched Tensile Specimen for Triaxially-Braided Composites.

Materials (Basel) 2019 Mar 12;12(5). Epub 2019 Mar 12.

Department of Aeronautical Structure Engineering, Northwestern Polytechnical University, Youyi West Road 127#, Xi'an 710072, Shaanxi, China.

The mechanical characterization of textile composites is a challenging task, due to their nonuniform deformation and complicated failure phenomena. This article introduces a three-dimensional mesoscale finite element model to investigate the progressive damage behavior of a notched single-layer triaxially-braided composite subjected to axial tension. The damage initiation and propagation in fiber bundles are simulated using three-dimensional failure criteria and damage evolution law. Read More

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http://dx.doi.org/10.3390/ma12050833DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6427260PMC
March 2019
2.651 Impact Factor

Monodisperse Fe₃O₄/SiO₂ and Fe₃O₄/SiO₂/PPy Core-Shell Composite Nanospheres for IBU Loading and Release.

Materials (Basel) 2019 Mar 11;12(5). Epub 2019 Mar 11.

School of Chemistry and Environmental Engineering, Institute of Applied Chemistry, Shanxi Datong University, Datong 037009, China.

The magnetic targeting drug delivery system is an effective way of targeting therapy. In this study, the monodisperse Fe₃O₄ nanoparticles with a particles size of about 180 nm were first prepared via a solvothermal method. Subsequently, the core-shell structure Fe₃O₄/SiO₂ and Fe₃O₄/SiO₂/polypyrrole (PPy) composite nanospheres were successfully synthesized by coating Fe₃O₄ nanoparticles with SiO₂ shell layer using the Stöber method and PPy shell by solvothermal method in turn. Read More

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http://dx.doi.org/10.3390/ma12050828DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6427558PMC
March 2019
1 Read

Polymer-inorganic solid-electrolyte interphase for stable lithium metal batteries under lean electrolyte conditions.

Nat Mater 2019 Apr 11;18(4):384-389. Epub 2019 Mar 11.

Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA, USA.

The solid-electrolyte interphase (SEI) is pivotal in stabilizing lithium metal anodes for rechargeable batteries. However, the SEI is constantly reforming and consuming electrolyte with cycling. The rational design of a stable SEI is plagued by the failure to control its structure and stability. Read More

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http://dx.doi.org/10.1038/s41563-019-0305-8DOI Listing
April 2019
1 Read

Effects of Ions-Releasing Restorative Materials on the Dentine Bonding Longevity of Modern Universal Adhesives after Load-Cycle and Prolonged Artificial Saliva Aging.

Materials (Basel) 2019 Mar 1;12(5). Epub 2019 Mar 1.

Departamento de Estomatología, Facultad de Medicina y Odontología, Universitat de Valencia, 46010 Valencia, SPAIN.

This study aimed at evaluating the microtensile bond strength (MTBS) and fractographic features of dentine-bonded specimens created using universal adhesives applied in etch-and-rinse (ER) or self-etching (SE) mode in combination with modern ion-releasing resin-modified glass-ionomer cement (RMGIC)-based materials after load cycling and artificial saliva aging. Two universal adhesives (FTB: Futurabond M+, VOCO, Germany; SCU: Scotchbond Universal, 3M Oral Care, USA) were used. Composite build-ups were made with conventional nano-filled composite (AURA, SDI, Australia), conventional resin-modified glass ionomer cement (Ionolux VOCO, Germany), or a (RMGIC)-based composite (ACTIVA, Pulpdent, USA). Read More

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http://dx.doi.org/10.3390/ma12050722DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6427106PMC
March 2019
3 Reads

Mechanical Alloying and Electrical Current-Assisted Sintering Adopted for In Situ Ti-TiB Metal Matrix Composite Processing.

Materials (Basel) 2019 Feb 21;12(4). Epub 2019 Feb 21.

Institute of Materials Science and Engineering, Poznan University of Technology, Jana Pawla II 24, 61-138 Poznan, Poland.

In this work, mechanical alloying and electrical current-assisted sintering was adopted for in situ metal matrix composite material processing. Applied at the initial powder stage, mechanical alloying enables a homogeneous distribution of the starting elements in the proposed precursor powder blends. The accompanying precursor preparation and the structurally confirmed size reduction allow obtainment of a nanoscale range for the objects to be sintered. Read More

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http://dx.doi.org/10.3390/ma12040653DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6416572PMC
February 2019

Numerical Simulation of Dynamic Mechanical Properties of Concrete under Uniaxial Compression.

Materials (Basel) 2019 Feb 20;12(4). Epub 2019 Feb 20.

College of Water Resources and Civil Engineering, China Agricultural University, Beijing, 100083, China.

Based on the base force element method (BFEM), the dynamic mechanical behavior of concrete under uniaxial compression loading at different strain rates is investigated. The concrete can be considered as a three-phase composite material composed of aggregate, cement mortar, and interfacial transition zone (ITZ) on the meso-level. A two-dimensional random aggregate model is generated by the Monte Carlo method. Read More

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http://dx.doi.org/10.3390/ma12040643DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6416626PMC
February 2019
1 Read

The Comparison in the Microstructure and Mechanical Properties between AZ91 Alloy and Nano-SiCp/AZ91 Composite Processed by Multi-Pass Forging Under Varying Passes and Temperatures.

Materials (Basel) 2019 Feb 20;12(4). Epub 2019 Feb 20.

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China.

In this study, both AZ91 alloy and nano-SiCp/AZ91 composite were subjected to multi-pass forging under varying passes and temperatures. The microstructure and mechanical properties of the alloy were compared with its composite. After six passes of multi-pass forging at a constant temperature of 400 ℃, complete recrystallization occurred in both the AZ91 alloy and composite. Read More

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http://dx.doi.org/10.3390/ma12040625DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6416730PMC
February 2019

Fabrication of Diatomite/Silicalite-1 Composites and Their Property for VOCs Adsorption.

Authors:
Yutong Liu Tao Tian

Materials (Basel) 2019 Feb 13;12(4). Epub 2019 Feb 13.

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130012, China.

Adsorption technology is an effective method to remove volatile organic compounds (VOCs). In this work, we prepared hierarchical porous materials using modified diatomite (Dt) as a support and nano-sized silicalite-1 (S-1) seeds as inorganic fillers, which were applied to adsorb volatile organic compounds (VOCs). The characterization of the composites indicated that S-1 was successfully coated onto the surface of modified Dt, and the best surface area of the composites was 398. Read More

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http://dx.doi.org/10.3390/ma12040551DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6416632PMC
February 2019
1 Read

A Finite Element Model for Dynamic Analysis of Triple-Layer Composite Plates with Layers Connected by Shear Connectors Subjected to Moving Load.

Materials (Basel) 2019 Feb 16;12(4). Epub 2019 Feb 16.

Faculty of Mechanical Engineering, Le Quy Don Technical University, Ha Noi 100000, Vietnam.

Triple-layered composite plates are created by joining three composite layers using shear connectors. These layers, which are assumed to be always in contact and able to move relatively to each other during deformation, could be the same or different in geometric dimensions and material. They are applied in various engineering fields such as ship-building, aircraft wing manufacturing, etc. Read More

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http://dx.doi.org/10.3390/ma12040598DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6416568PMC
February 2019
1 Read

Application of Crumb Rubber in Cement-Matrix Composite.

Materials (Basel) 2019 Feb 10;12(3). Epub 2019 Feb 10.

Department of Applied Chemistry, National Chia Yi University, No.300 Syuefu Rd. Chiayi City 60004, Taiwan.

Many studies have used rubber as an additive to form a cement-matrix composite (rubcrete). However, rubcrete has a lower mechanical strength than standard concrete. To improve the properties of rubcrete, this study performed surface modifications on crumb rubber through a partial oxidization reaction. Read More

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http://dx.doi.org/10.3390/ma12030529DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6384849PMC
February 2019
1 Read

Mode-I Fracture Behavior of CFRPs: Numerical Model of the Experimental Results.

Materials (Basel) 2019 Feb 8;12(3). Epub 2019 Feb 8.

EnginSoft S.p.A., Via A. Murri 2 ⁻ Z.I., 72023 Mesagne, Italy.

In the last decades, the increasing use of laminate materials, such as carbon fibre reinforced plastics, in several engineering applications has pushed researchers to deeply investigate their mechanical behavior, especially in consideration of the delamination process, which could affect their performance. The need for improving the capability of the current instruments in predicting some collapse or strength reduction due to hidden damages leads to the necessity to combine numerical models with experimental campaigns. The validation of the numerical models could give useful information about the mechanical response of the materials, providing predictive data about their lifetime. Read More

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http://dx.doi.org/10.3390/ma12030513DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6384958PMC
February 2019
1 Read

Effect of Temperature and Water Absorption on Low-Velocity Impact Damage of Composites with Multi-Layer Structured Flax Fiber.

Materials (Basel) 2019 Feb 1;12(3). Epub 2019 Feb 1.

School of Aerospace Engineering and Applied Mechanics, Tongji University, 1239 Siping Road, Shanghai 200092, China.

Temperature and moisture can cause degradation to the impact properties of plant fiber-based composites owing to their complex chemical composition and multi-layer microstructure. This study focused on experimental characterization of the effect of important influencing factors, including manufacturing process temperature, exposure temperature, and water absorption, on the impact damage threshold and damage mechanisms of flax fiber reinforced composites. Firstly, serious reduction on the impact damage threshold and damage resistance was observed, this indicated excessive temperature can cause chemical decomposition and structural damage to flax fiber. Read More

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http://dx.doi.org/10.3390/ma12030453DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6385054PMC
February 2019
2.651 Impact Factor

Synthesis of Structurally Precise Polysiloxanes via the Piers⁻Rubinsztajn Reaction.

Materials (Basel) 2019 Jan 18;12(2). Epub 2019 Jan 18.

College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.

Silicone materials are widely used, from daily life to the military industry. With the advancement of science and technology and the increasing demands of industry, the requirement for high-performance precise structural silicone materials has increased. Therefore, the most important aspect in this field is finding a breakthrough in the synthetic methods. Read More

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http://dx.doi.org/10.3390/ma12020304DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356218PMC
January 2019
1 Read

Optimal Design of Sandwich Composite Cradle for Computed Tomography Instrument by Analyzing the Structural Performance and X-ray Transmission Rate.

Materials (Basel) 2019 Jan 17;12(2). Epub 2019 Jan 17.

Department of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea.

Carbon fiber-reinforced composite has an excellent X-ray transmission rate as well as specific modulus and strength. The major components of medical devices, X-ray systems, and computed tomography (CT) equipment that require superior X-ray transmission performance also require structural performance for deformation. Therefore, medical components consist of a sandwich composite structure with carbon fiber composites applied as a face material. Read More

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http://www.mdpi.com/1996-1944/12/2/286
Publisher Site
http://dx.doi.org/10.3390/ma12020286DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356453PMC
January 2019
8 Reads

Asymptotic Homogenization Applied to Flexoelectric Rods.

Materials (Basel) 2019 Jan 11;12(2). Epub 2019 Jan 11.

Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas, Universidad Nacional Autónoma de México, Alcaldía Álvaro Obregón, Apartado Postal 20-126, CDMX Mexico 01000, Mexico.

In this manuscript, the equilibrium problem for a flexoelectric one-dimensional composite material is studied. The two-scales asymptotic homogenization method is used to derive the homogenized formulation of this problem. The manuscript offers a step-by-step methodology to derive effective coefficients and to solve local problems. Read More

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http://dx.doi.org/10.3390/ma12020232DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356779PMC
January 2019

Facile Preparation of Micrometer KClO₄/Zr Energetic Composite Particles with Enhanced Light Radiation.

Materials (Basel) 2019 Jan 9;12(2). Epub 2019 Jan 9.

Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China.

Developing energetic composite materials consisting of fuel and oxidizer is an effective strategy to enhance the energy release property. However, this strategy has rarely been applied in Potassium Perchlorate (KClO₄)-containing energetic materials, even though KClO₄ is a much stronger oxidizer than most previously reported metal-oxide oxidizer. One of the main obstacles is the lack of simple and in situ ways to introduce KClO₄ into the composite. Read More

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http://dx.doi.org/10.3390/ma12020199DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356741PMC
January 2019
1 Read

Effects on the Mechanical Properties of Nacre-Like Bio-Hybrid Membranes with Inter-Penetrating Petal Structure Based on Magadiite.

Materials (Basel) 2019 Jan 7;12(1). Epub 2019 Jan 7.

Key Laboratory of Polymer Processing Engineering of Ministry of Education, National Engineering Research Center of Novel Equipment for Polymer Processing, School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, China.

Rigid biological systems are increasingly becoming a source of inspiration for the fabrication of the advanced functional materials due to their diverse hierarchical structures and remarkable engineering properties. As a bionic biomaterial with a clear layered structure, excellent mechanical properties, and interesting rainbow colors, nacre has become one of the most attractive models for novel artificial materials design. In this research paper, the tough and strong nacre-like bio-hybrid membranes with an interpenetrating petals structure were fabricated from chitosan (CS) and magadiite (MAG) clay nanosheets through the gel-casting self-assembling method. Read More

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http://www.mdpi.com/1996-1944/12/1/173
Publisher Site
http://dx.doi.org/10.3390/ma12010173DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6337425PMC
January 2019
5 Reads

Numerical Validation of Two-Parameter Weibull Model for Assessing Failure Fatigue Lives of Laminated Cementitious Composites-Comparative Assessment of Modeling Approaches.

Materials (Basel) 2018 Dec 31;12(1). Epub 2018 Dec 31.

Department of Civil Engineering, Kangwon National University, 346, Jungang-ro, Samcheok-si 25913, Gangwon-do, Korea.

In this paper, comparative assessment of failure fatigue lives of thin laminated cementitious composites (LCCs) modeled by two modeling approaches-double-parameter Weibull distribution model and triple-parameter distribution model-was carried out. LCCs were fabricated of ordinary Portland cement (OPC), fly ash cenosphere (FAC), quartz sand, and reinforcing meshes and fibers. The failure fatigue life assessment at various probabilities by the two-parameter model was based on numerical calculations whereas the three-parameter model was applied by an open source program-ProFatigue. Read More

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http://dx.doi.org/10.3390/ma12010110DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6337210PMC
December 2018
1 Read

Hexagonal Boron Nitride/Microfibril Cellulose/Poly(vinyl alcohol) Ternary Composite Film with Thermal Conductivity and Flexibility.

Materials (Basel) 2018 Dec 30;12(1). Epub 2018 Dec 30.

College of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510230, China.

Microfibril cellulose (MFC), which is detrimental to soil cultivation and environmental protection, is derived from waste pineapple leaves. Hexagonal boron nitride (h-BN) was modified with polydopamine (PDA)-PDA@h-BN named pBN, and then combined with MFC to prepare a novel hybrid powder. The effect of PDA on h-BN and the binding effect between pBN and MFC were characterized by X-ray photoelectron spectroscopy (XPS), Thermogravimetric (TG), scanning electron microscopy (SEM), and Fourier Transform-Infrared (FT-IR). Read More

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http://dx.doi.org/10.3390/ma12010104DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6337459PMC
December 2018
2 Reads

A Three-Phase Model Characterizing the Low-Velocity Impact Response of SMA-Reinforced Composites under a Vibrating Boundary Condition.

Materials (Basel) 2018 Dec 20;12(1). Epub 2018 Dec 20.

College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China.

Structural vibration induced by dynamic load or natural vibration is a non-negligible factor in failure analysis. Based on a vibrating boundary condition, the impact resistance of shape memory alloy (SMA)-reinforced composites was investigated. In this investigation, a modified Hashin's failure criterion, Brinson's model, and a visco-hyperelastic model were implemented into a numerical model to characterize the mechanical behavior of glass fiber/epoxy resin laminates, SMAs, and interphase, respectively. Read More

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http://dx.doi.org/10.3390/ma12010007DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6337305PMC
December 2018

Mechanical Characterizations of 3D-printed PLLA/Steel Particle Composites.

Materials (Basel) 2018 Dec 20;12(1). Epub 2018 Dec 20.

Department of Mechanical & Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.

The objective of this study is to characterize the micromechanical properties of poly-l-lactic acid (PLLA) composites reinforced by grade 420 stainless steel (SS) particles with a specific focus on the interphase properties. The specimens were manufactured using 3D printing techniques due to its many benefits, including high accuracy, cost effectiveness and customized geometry. The adopted fused filament fabrication resulted in a thin interphase layer with an average thickness of 3 µm. Read More

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http://dx.doi.org/10.3390/ma12010001DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6337234PMC
December 2018

Flexural and Shear Strain Characteristics of Carbon Fiber Reinforced Polymer Composite Adhered to a Concrete Surface.

Materials (Basel) 2018 Dec 19;11(12). Epub 2018 Dec 19.

Department of Civil and Environmental Engineering, College of Engineering, King Faisal University, 31982 Hofuf, Alahsa, Saudi Arabia.

The use of Fiber Reinforced Polymer (FRP) composites for strengthening concrete structures has gained a lot of popularity in the past couple of decades. The major issue in the retrofitting of concrete structures with FRP is the accurate evaluation of flexural and shear strains of polymer composites at the bonding interface of epoxy and concrete. To address it, a comprehensive experimental study was planned and carbon fiber reinforced polymer (CFRP) composite was applied on the concrete surface with the help of adhesives. Read More

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http://dx.doi.org/10.3390/ma11122596DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316326PMC
December 2018

Fabrication of Functional Carbon/Magnetic Nanocomposites as A Promising Model of Utilization of Used Crosslinked Polymers.

Materials (Basel) 2018 Dec 19;11(12). Epub 2018 Dec 19.

Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland.

The utilization of used crosslinked functional polymers (CFP) applied as sorbents or ion-exchangers is a great challenge arising from the need to protect the environment. In this paper we report a very promising way of obtaining carbon/magnetic composites based on metal (Co; Ni; Fe) derivatives of butadiene rubber-based phosphorus-containing polymer, which were treated as the model used CFP. We proposed a facile one-step thermal degradation approach to transform used CFP into carbon/magnetic composites (CMC). Read More

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http://www.mdpi.com/1996-1944/11/12/2595
Publisher Site
http://dx.doi.org/10.3390/ma11122595DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316096PMC
December 2018
1 Read

Investigation of the Compressibility and Compactibility of Titanate Nanotube-API Composites.

Materials (Basel) 2018 Dec 18;11(12). Epub 2018 Dec 18.

Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6., H-6720 Szeged, Hungary.

The present work aims to reveal the pharma-industrial benefits of the use of hydrothermally synthesised titanate nanotube (TNT) carriers in the manufacturing of nano-sized active pharmaceutical ingredients (APIs). Based on this purpose, the compressibility and compactibility of various APIs (diltiazem hydrochloride, diclofenac sodium, atenolol and hydrochlorothiazide) and their 1:1 composites formed with TNTs were investigated in a comparative study, using a Lloyd 6000R uniaxial press instrumented with a force gauge and a linear variable differential transformer extensometer. The tablet compression was performed without the use of any excipients, thus providing the precise energetic characterisation of the materials' behaviour under pressure. Read More

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http://dx.doi.org/10.3390/ma11122582DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6315882PMC
December 2018

Damage Determination in Ceramic Composites Subject to Tensile Fatigue Using Acoustic Emission.

Materials (Basel) 2018 Dec 6;11(12). Epub 2018 Dec 6.

Department of Mechanical Engineering; University of Akron, Akron, OH 44325, USA.

Acoustic emission (AE) has proven to be a very useful technique for determining damage in ceramic matrix composites (CMCs). CMCs rely on various cracking mechanisms which enable non-linear stress⁻strain behavior with ultimate failure of the composite due to fiber failure. Since these damage mechanisms are all microfracture mechanisms, they emit stress waves ideal for AE monitoring. Read More

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http://dx.doi.org/10.3390/ma11122477DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6317042PMC
December 2018

Improving Composite Tensile Properties during Resin Infusion Based on a Computer Vision Flow-Control Approach.

Materials (Basel) 2018 Dec 5;11(12). Epub 2018 Dec 5.

Departamento de Ingeniería Mecánica y Minera, Campus Las Lagunillas, Universidad de Jaén, 23071 Jaén, Spain.

Liquid composite manufacturing techniques, mainly applied in the transport industry, have been studied and optimized for decades while defect analysis and its minimization have been a goal to increase reliability and mechanical performance. Researchers have found that many process parameters have a strong influence on the mechanical behavior of composite structures where the flow front velocity, closely related to voids, plays a considerable role. In this work, the optimal flow front velocity was evaluated and controlled using a computer vision system for different laminates improving the mechanical tensile properties and void content. Read More

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http://dx.doi.org/10.3390/ma11122469DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6317164PMC
December 2018

Effects of Laser Texture Oxidation and High-Temperature Annealing of TiV Alloy Thin Films on Mechanical and Antibacterial Properties and Cytotoxicity.

Materials (Basel) 2018 Dec 8;11(12). Epub 2018 Dec 8.

School of Dentistry, China Medical University, Taichung 404, Taiwan.

Titanium dioxide and vanadium oxides have been applied extensively in industrial and medical fields. The objective of this study was to develop various composite structures of titanium and vanadium oxide (Ti-V-O) coatings on pure titanium through high-temperature annealing and laser texturing oxidation, separately; additionally, surface morphologies, tribological and hydrophilic properties, and antibacterial and biocompatibility abilities of these Ti-V-O coatings were evaluated. TiV alloy thin films were deposited on pure titanium and then annealed to form Ti-V-O coatings through thermal oxidation and laser texturing oxidation. Read More

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http://dx.doi.org/10.3390/ma11122495DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316979PMC
December 2018
1 Read

Copper-Based Volumetric Filler Dedicated for Ag Paste for Depositing the Front Electrodes by Printing on Solar Si Cells.

Materials (Basel) 2018 Dec 7;11(12). Epub 2018 Dec 7.

Institute of Metallurgy and Materials Science PAS. Reymonta 25, 30-059 Krakow, Poland.

In this work we present research results on a new paste NPCuXX (where: NP-new paste, CuXX-component, XX-a modifier consisting of Ni and other important elements) based on a copper composite (CuXX) for fabrication of front electrodes in silicon solar cells. The CuXX composite is obtained by chemical processing of copper powder particles and can be used in two ways: as an additive to commercially available paste or as a base material for a new paste, NPCuXX. The CuXX offers the possibility to exchange up to 30 and 50 wt. Read More

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http://dx.doi.org/10.3390/ma11122493DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6317019PMC
December 2018

A Novel Class of Injectable Bioceramics that Glue Tissues and Biomaterials.

Materials (Basel) 2018 Dec 7;11(12). Epub 2018 Dec 7.

Applied material science, Department of Engineering, Uppsala University, Uppsala 75121, Sweden.

Calcium phosphate cements (CPCs) are clinically effective void fillers that are capable of bridging calcified tissue defects and facilitating regeneration. However, CPCs are completely synthetic/inorganic, unlike the calcium phosphate that is found in calcified tissues, and they lack an architectural organization, controlled assembly mechanisms, and have moderate biomechanical strength, which limits their clinical effectiveness. Herein, we describe a new class of bioinspired CPCs that can glue tissues together and bond tissues to metallic and polymeric biomaterials. Read More

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http://www.mdpi.com/1996-1944/11/12/2492
Publisher Site
http://dx.doi.org/10.3390/ma11122492DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316977PMC
December 2018
17 Reads

Preparation and Characterization of Zeolite/TiO₂ Cement-Based Composites with Excellent Photocatalytic Performance.

Materials (Basel) 2018 Dec 7;11(12). Epub 2018 Dec 7.

Shanghai Construction Group Co., Ltd., Shanghai 200080, China.

A zeolite/TiO₂ composite (ZTC) was applied to prepare a high-quality photocatalytic cement-based material (PCM). The acetone degradation experiment and micro measurements including XRD(X-Ray Diffractometer), SEM-EDS(Scanning Electron Microscope-Energy Dispersive Spectrometer), BET(BET Specific Surface Area Tester), FTIR(Fourier Transform Infrared Spectrometer) were conducted to characterize the photocatalytic efficiency and physicochemical properties of PCM, respectively. Results show that TiO₂ particles disperse on the surface of a PCM homogeneously and provide abundant active sites for photocatalytic reactions. Read More

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http://dx.doi.org/10.3390/ma11122485DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316990PMC
December 2018

A Facile Method to Construct MXene/CuO Nanocomposite with Enhanced Catalytic Activity of CuO on Thermal Decomposition of Ammonium Perchlorate.

Materials (Basel) 2018 Dec 4;11(12). Epub 2018 Dec 4.

National Special Superfine Power Engineering Research Center, Nanjing University of Science and Technology, Nanjing 210094, China.

In this work, a mixing-calcination method was developed to facilely construct MXene/CuO nanocomposite. CuO and MXene were first dispersed in ethanol with sufficient mixing. After solvent evaporation, the dried mixture was calcinated under argon to produce a MXene/CuO nanocomposite. Read More

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http://www.mdpi.com/1996-1944/11/12/2457
Publisher Site
http://dx.doi.org/10.3390/ma11122457DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316928PMC
December 2018
8 Reads

Facile Synthesis of Visible Light-Induced g-C₃N₄/Rectorite Composite for Efficient Photodegradation of Ciprofloxacin.

Materials (Basel) 2018 Dec 3;11(12). Epub 2018 Dec 3.

Beijing Key Laboratory of Clothing Materials R&D and Assessment, Beijing Engineering Research Center of Textile Nanofiber, School of Materials Science and Engineering, Beijing 100029, China.

A novel kind of g-C₃N₄/rectorite composite with high visible-light photoactivity was developed via a mild and cost effective two-step process. Ciprofloxacin (CIP), a typical antibiotic, was applied to evaluate the photoactivity of the received catalysts. Furthermore, the by-products of CIP photodegradation were analyzed and the possible degradation pathways were also discussed. Read More

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http://www.mdpi.com/1996-1944/11/12/2452
Publisher Site
http://dx.doi.org/10.3390/ma11122452DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6317028PMC
December 2018
10 Reads

Characterization of MgCl₂·6H₂O-Based Eutectic/Expanded Perlite Composite Phase Change Material with Low Thermal Conductivity.

Materials (Basel) 2018 Nov 25;11(12). Epub 2018 Nov 25.

Key Laboratory of Enhanced Heat Transfer and Energy Conservation, the Ministry of Education, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.

The melting points of the phase change materials (PCMs) incorporated into the walls of buildings should be within the human thermal comfort temperature range. In this paper, 15 wt.% of MgCl₂·6H₂O was mixed with CaCl₂·6H₂O to obtain the eutectic with a melting point of 23. Read More

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http://dx.doi.org/10.3390/ma11122369DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316960PMC
November 2018
2.651 Impact Factor

High Performance Anti-Corrosion Coatings of Poly (Vinyl Butyral) Composites with Poly -(vinyl)pyrrole and Carbon Black Nanoparticles.

Materials (Basel) 2018 Nov 17;11(11). Epub 2018 Nov 17.

Department of Applied Chemistry, School of Science, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an 710049, China.

Zinc is widely used in battery negative electrodes and steel coatings for automotive industries. The anti-corrosion property of zinc is the most important factor determining the performance and lifetime of the products. In this paper, both size-controlled poly -(vinyl)pyrrole (PNVPY) nanoparticles and carbon black (CB) nanoparticles were compounded with poly (vinyl butyral) (PVB) binder developing a series of composite coatings covered on the zinc substrates using a spin-coating technique. Read More

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http://www.mdpi.com/1996-1944/11/11/2307
Publisher Site
http://dx.doi.org/10.3390/ma11112307DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6267097PMC
November 2018
3 Reads

Thermal and Mechanical Properties of Silica⁻Lignin/Polylactide Composites Subjected to Biodegradation.

Materials (Basel) 2018 Nov 13;11(11). Epub 2018 Nov 13.

Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland.

In this paper, silica⁻lignin hybrid materials were used as fillers for a polylactide (PLA) matrix. In order to simulate biodegradation, PLA/hybrid filler composite films were kept in soil of neutral pH for six months. Differential scanning calorimetry (DSC) allowed analysis of nonisothermal crystallization behavior of composites, thermal analysis provided information about their thermal stability, and scanning electron microscopy (SEM) was applied to define morphology of films. Read More

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http://www.mdpi.com/1996-1944/11/11/2257
Publisher Site
http://dx.doi.org/10.3390/ma11112257DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6266571PMC
November 2018
13 Reads

Combustion Synthesis of Composition Ferroalloys.

Materials (Basel) 2018 Oct 28;11(11). Epub 2018 Oct 28.

The main objective of this paper is to present results of the research in the development of a specialized self-propagating high-temperature synthesis (SHS) technology for ferroalloy composites, as applied to steelmaking. The problem of creating such a production cycle has been solved by developing a new approach to the practical implementation of self-propagating high-temperature synthesis, as applied to metallurgy. The metallurgical variation of SHS is based on the use of different metallurgic alloys (including waste in the form of dust from ferroalloy production) as basic raw materials in the new process. Read More

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http://dx.doi.org/10.3390/ma11112117DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6267210PMC
October 2018
2 Reads

Temperature-Dependent and Threshold Behavior of Sm Ions on Fluorescence Properties of Lithium Niobate Single Crystals.

Materials (Basel) 2018 Oct 22;11(10). Epub 2018 Oct 22.

School of Physics, Sun Yat-sen University, Guangzhou 510275, China.

Temperature-dependent and threshold behavior of Sm ions on fluorescence properties of lithium niobate (LiNbO₃, LN) single crystals were systematically investigated. The test materials, congruent LiNbO₃ single crystals (Sm:LN), with various concentrations of doped Sm ions from 0.2 to 2. Read More

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http://dx.doi.org/10.3390/ma11102058DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6213421PMC
October 2018

Prediction of Defect Formation during Resin Impregnation Process through a Multi-Layered Fiber Preform in Resin Transfer Molding by a Proposed Analytical Model.

Materials (Basel) 2018 Oct 22;11(10). Epub 2018 Oct 22.

Department of Organic Materials and Fiber Engineering, Chonbuk National University, Jeonbuk 54896, Korea.

It is very important to predict any defects occurring by undesired fiber deformations to improve production yields of resin transfer molding, which has been widely used for mass production of carbon fiber reinforced composite parts. In this study, a simple and efficient analytic scheme was proposed to predict deformations of a multi-layered fiber preform by comparing the forces applied to the preform in a mold of resin transfer molding. Friction coefficient of dry and wet states, permeability, and compressive behavior of unidirectional (UD) and plain woven (PW) carbon fabrics were measured, which were used to predict deformations of the multi-layered fiber preforms with changing their constitution ratios. Read More

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http://www.mdpi.com/1996-1944/11/10/2055
Publisher Site
http://dx.doi.org/10.3390/ma11102055DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6213041PMC
October 2018
1 Read
2.651 Impact Factor

The Low Velocity Impact Response of Foam Core Sandwich Panels with a Shape Memory Alloy Hybrid Face-Sheet.

Materials (Basel) 2018 Oct 24;11(11). Epub 2018 Oct 24.

State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China.

Most foam core sandwich panels are sensitive to the impact load because of the poor toughness of thin composite face-sheets and the low strength of foam core. Superelastic shape memory alloy (SMA) wires have been applied to enhance the impact damage resistance of composite laminates in recent decades. To improve the impact damage resistance of foam core sandwich panels and to protect the foam core, SMA wires were incorporated into the face-sheets of foam core sandwich panels in this work. Read More

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http://www.mdpi.com/1996-1944/11/11/2076
Publisher Site
http://dx.doi.org/10.3390/ma11112076DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6266049PMC
October 2018
1 Read

Mechanical Analysis of Ceramic/Polymer Composite with Mesh-Type Lightweight Design Using Binder-Jet 3D Printing.

Materials (Basel) 2018 Oct 11;11(10). Epub 2018 Oct 11.

3D Printing Manufacturing Process Center, Korea Institute of Industrial Technology (KITECH), Ulsan 44413, Korea.

3D printing technology has recently been highlighted as an innovative manufacturing process. Among various 3D printing methods, binder jetting (BJ) 3D printing is particularly known as technology used to produce the complex sand mold quickly for a casting process. However, high manufacturing costs, due to its expensive materials, need to be lowered for more industrial applications of 3D printing. Read More

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http://www.mdpi.com/1996-1944/11/10/1941
Publisher Site
http://dx.doi.org/10.3390/ma11101941DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6213191PMC
October 2018
2 Reads

An Ultrasonication-Assisted Cobalt Hydroxide Composite with Enhanced Electrocatalytic Activity toward Oxygen Evolution Reaction.

Materials (Basel) 2018 Oct 9;11(10). Epub 2018 Oct 9.

College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China.

A catalyst toward oxygen evolution reaction (OER) was synthesized by depositing cobalt hydroxide on carbon black. Ultrasonication was applied during precipitation to improve the performance of the catalyst. The ultrasonic-assisted process resulted in the refinement of the cobalt hydroxide particles from 400 nm to 50 nm, and the thorough incorporation of these particles with carbon black substrate. Read More

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http://dx.doi.org/10.3390/ma11101912DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6213811PMC
October 2018