The deposition of coatings on the surface of carbon fiber will be helpful to their applications. However, they are unsuitable to be deposited because of their low surface free energies, poor wettability and poor adhesions. The objective of this work is to modify carbon fibers by different methods of...

Non-sterilized substrates mainly composed of soybean straw were used to cultivate Ceriporia lacerata for preparing mycelium-soybean straw composite materials (MSCM) in this research. The effect of the particle sizes of soybean straw on preparing MSCM was evaluated. Compression properties, thermal conductivity...

In situ 4.9wt.%TiB2/2024 composite has been successfully prepared by displacement reaction and spray deposition technique, and its microstructure and wear behavior were investigated. Experimental results have shown that in situ TiB2 particles uniformly distributed in the matrix, and the grain size of...

A cure-dependent viscoelastic constitutive model is simply derived, and verified by comparing the results predicted by the derived model with the theoretic solution of a rod model and the standard ABAQUS elastic solution of a three-dimensional (3D) cross-ply laminate [0/90]s. A 3D simulation of an AS4/3501-6...

Cobaltosic sulfide (Co3S4) has been introduced into dye-sensitized solar cells (DSCs) as a counter electrode (CE) in place of Pt for the first time. The DSCs with the pure Co3S4 CE obtain a power conversion efficiency (PCE) of 4.2%, only reaching 79% of the comparable DSC using Pt as the CE (5.31%)....

The thermoelastic materials and functional composites are used in some intelligent equipment in some special fields. The two-scale asymptotic expansion for partial differential equations of thermoelstic problem in periodic structure with boundary layer is constructed, and the two-scale asymptotic error...

In order to improve keratin film mechanical properties, keratin and cellulose solutions were mixed in various ratios and coated on glass plates. Measurements of these composite films show that their mechanical properties decrease with an increase in keratin content in comparison with pure cellulose film....

In this paper, the fiber glass board was treated with silicane coupling agent so that it could improve its waterproofness and alkali resistance, testing fiber glass after the infiltration treatment of silane coupling agent. And investigate the effects on key performance indicators of fiber glass by the...

To guarantee the security of composite insulators as tension strings applied to ultra-high voltage engineering, it is necessary to study the mechanical properties of composite insulator regarding break impact, especially researching on key factors influencing. Study the key factors influencing by numerical...

This paper introduces the classical theory of MPA (micro-perforated panel absorb-er). Its sound absorption coefficient primarily related to these structure parameters. Based on the theory of MPA which is proposed by M, sound absorption performances are researched by using MATLAB. By this method, the...

The dynamic compressive experiments of 2D-C/SiC composites under low temperature were performed on the SHPB system. The low temperatures at 173K and 103K were obtained by controlling the ratio of the absolute alcohol to the liquid nitrogen. The wave shapers were designed to meet the requirements of stress...

In order to analyze the 170SD30-SY motorized spindle bearing cooling effect of the oil-gas lubrication system, a fluid - solid coupling heat transfer model established in finite element software. It is realized by way of numerical simulations on the ground of theoretical analysis. By changing the compressed...

The wellbore chemical anti-scaling technology is one of the effective ways to enhance the maintenance time of pump in the ASP flooding. This study investigated the different amount of calcium ion, silicon ion and scale inhibitor influenced the anti-scaling performance of the simulation system. The result...

Reject metal matrix composites parts reclaimed from industrial market were re-melted in a medium frequency induction furnace. A composites recycled roller used for cold-rolled wire mill was fabricated by centrifugal casting. The properties, microstructures and application of the recycled roller were...

A composite of CuS–graphene was prepared via a mild experimental condition, using copper nitrate, EDTA, glucose, carbon disul de, ethylenediamine and graphene oxide as the raw materials. The composite was characterized by X-ray power diffraction, X-ray photoelectron spectroscopy, transmission electron...

The pore shape of spunbonded nonwovens and its influence on the filtering quality were investigated in this study. An index named the filtration index (FI) was first proposed to characterize the performance of the higher filtration efficiency against the lower pressure drop of spunbonded nonwovens. A...

The pouring vibration method is adopted to prepare a fireproof, durable and decorative wall panel, whose materials for preparation are mullite, cement, powder, glass beads, cellulose, pigments and waterproofing agent. The test result shows that the greatest dosage of raw materials for preparing decorative...

Six kinds of surface composite with different ingredients had been prepared on steel matrix by traditional cast processing. Impact wear properties of the prepared composites had also been studied by dynamic load abrasive wear testing machine with type of MLD-10. Results indicated the following four points....

According to the constitutive relation built based on the uniaxial tensile and compression tests of ECC, we proposed the calculation theory of flexural capacity of cross section of CFRP-ECC based on plain cross-section assumption. According to the result of four-point bending test, we proved the validity...

Lightning protection design for 10kV composite distribution tower differs from transmission towers and the traditional iron tower due to the insulation of composite material and complexity of lightning protection design for 10kV distribution lines. Related research is still in blank. Key points of lightning...

In order to prevent fire from spreading in the inner space of buildings that can be divided into different fire compartments in line with specifications. A fire resisting shutter is a rolled up in the rotary axle box at ordinary times installed in the building fire protection compartments. The fire separator...

In situ synthesis technology was used to synthesize the NiAl matrix composite reinforced by TiB2 which were fabricated by induction heating furnace in this work. Modern testing technologies were applied to analyze the microstructures of the products and the reaction process. The results showed that the...

The numerical simulation of RIM process is vital for mould design, control of process and parameters optimization and is the important method lowering development costs and ensuring quality. The paper conducts a finite element classification to the rib structure products with 65% fiber volume and the...

High strength Bombyx mori silk fibroin (SF) and hydroxyapatite (HA) composite scaffold was obtained by using co-precipitation and salt fractionation method. SEM and mechanical test were used to investigate the structure and properties of the composite scaffolds. The results showed that when the content...

A special material, ULFR-ECC (Ultra-lightweight fire-resistive engineered cementitious composite), is introduced as a new kind of fire insulation. As a special member in the family of ECC (engineered cementitious composites), ULFR-ECC with a dry density of 566kg/m3 possesses the characteristics of strain...

In this paper, a constitutive model of particulate-reinforced composites (PRCs) has been developed, which can be used to describe the evolution of interfacial debonding damage between particles and matrix. The influences of particle size and interphase on the equivalent elastic modulus of PRCs are analyzed...