Proceedings of the 2nd Annual International Conference on Advanced Material Engineering (AME 2016)

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226 articles
Proceedings Article

Plasma-graft anhydride on Carbon Fiber and its Effect on Composite Properties

Ya-Nan Yi, Cai-Qiong Zhang, Jing Long, Lin Zhong, Huan-Xia Zhang
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...
Proceedings Article

Research and Preparation of Mycelium-Soybean Straw Composite Materials

Guo-Bing Shao, Ping Yang, Wen-Xia Jiang
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...
Proceedings Article

Microstructure and Wear Behavior of in situ TiB2/2024 Composite Fabricated by Spray Deposition Technique

Peng-He Hu, Peng Deng, Shan-Qi Han, Wei Zhou, Lei Zhang
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...
Proceedings Article

Cure-Dependent Viscoelastic Analysis on the Residual Stresses and Distortion Created in Composite Corner during Curing

Jiang-Tao Zhang, Yun-Dong Shang, Mei Zhang, Li-Sheng Liu, Peng-Cheng Zhai, Shu-Xin Li
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...
Proceedings Article

High Efficient Co3S4 Supported by Carbon Nanofibers Composite Counter Electrode Catalyst for Dye-sensitized Solar Cells

Jun-Ying Xiao, Jun Xu, Mi-Dou Cui, Lin-Zhong Zhan, Liang-Xing Zhang, Yong-Wen Pang, Ling Li, Xiao-Wei Li, Zhi-Qiang Liu
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%)....
Proceedings Article

The Two-scale Asymptotic Expansion for One Class of Thermoelastic Problem in Periodic Composite with Boundary Layer

Xiao-Jun Deng, Ming-Xiang Deng, Yong-Ping Feng
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...
Proceedings Article

Preparation and Characterization of Keratin–cellulose Composite Films

Yuan-Yuan Ma, Ran-Ran Qi, Shou-Yu Jia, Zhe-Hui Wang
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....
Proceedings Article

Technology Research on the Waterproofness and Alkali Resistance of Silane Coupling Agent Modified Fiber Glass Board

Guo-Zhong Lu, Xiu-Juan Ding, Xue-Song Zheng, Yue Liu, Wei-Xuan Zhao
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...
Proceedings Article

Break Impact Influence Factor of Tension Composite Insulator String

Cao-Lan Liu, Hao-Lin Yang, Bin Liu, Xue-Ping Zhan, Li-Xian Zhou, Sheng-Chun Liu, Xin-Min Li, Yu-Xian Di
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...
Proceedings Article

The Research of Sound Absorption Performance on Micro-Perforated Panel Absorb-er

M.Z. Sun, C. Yue, X.M. Zhang
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...
Proceedings Article

Dynamic Compressive Properties of 2D-C/SiC Composites under Low Temperature

Z.B. Tang, Q. Deng, L.H. Ye, P. Xue
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...
Proceedings Article

The Effects of oil-gas Lubrication Air Pressure on the Bearing Temperature of Motorized Spindle

L.X. Zhang, T. Liu, C.Q. Li
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...
Proceedings Article

Study on Anti-scaling Performance of Scaling Inhibitor Used during Calcium Scaling Period of Oilwells in ASP Flooding

Q.H. Gao, C. Wang, Z.F. Hou, J. Liu, H.J. Qian, L. Zhang
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...
Proceedings Article

Application of Recycle Composites on Cold-rolled Ribbed Roller

Y.P. Song, W.Q. Li, L. You, X.D. Huang
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...
Proceedings Article

Preparation and Characterization of CuS-Graphene Composite

S.G. Pan
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...
Proceedings Article

Determining the Influence of Pore Shape on Filtering Quality of Spunbonded Nonwovens

G.X. Jin, Q.Z. Li, C.Y. Zhu
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...
Proceedings Article

Experimental Study on Preparation of Mullite Decorative Materials

J. S. Ma, M.M. Zhou, H.Q. Cai, R.S. Bai
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...
Proceedings Article

Study on Impact Wear Properties of the Surface Composites Reinforced by Particles

L.X. Jia, Y.P. Chang, X.Z. Wang
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....
Proceedings Article

The Study of Flexural Capacity of Cross Section of Carbon Fiber Reinforced Plastic High Toughness Cementitious Composites

Gu-Jian Huang
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...
Proceedings Article

Lightning Protection Design for 10kV Composite Distribution Tower

Jin-Tang Hao, Xi Liu, Xia Xu, Gang Liu, Tian-Zheng Wang, Jian-Ping Huang
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...
Proceedings Article

The Application of Double-deck Inorganic Composite Fire Resisting Shutters in Constructional Engineering

Bai-Xia Zhou
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...
Proceedings Article

In Situ Synthesis of TiB2/NiAl Composite

Heng Zhang, He-Guo Zhu
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...
Proceedings Article

The Research on RTM Molding Process of Thin-wall Rib Structure of Composite Materials

Chao Yan, Kai He, Yu-Cai Shan, Cai-Lin Li, Zhi-Jie Liu, Yong-Zhong Yang
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...
Proceedings Article

A Novel High Strength Porous Hydroxyapatite/Silk Fibroin Composite: Preparation and Characterization

Guo-Xuan Cao, Dong-Ying Xu, Ming-Zhu Zhou, Zheng-Fu Liao, Yu-Dong Wang
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...
Proceedings Article

Experimental Study on Ultra-lightweight Fire-resistive Engineered Cementitious Composite

Guo Yang, Zhi-Yuan Li
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...
Proceedings Article

A Micromechanics Model for Material Property of Composite

Li-Chun Bian, Jing Pan, De-Liang Meng
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...
Proceedings Article

Warning Index System of Multi-emergency Coupling on Cluster Analysis

Fu Wang, Yang Yang, Jie Li
To evaluate emergency traffic warning, it is necessary to establish a set of accurate, concise, easy operation indexes system. Influence of unexpected events on transportation system is complex, involving many indexes, the early warning evaluation calculation is complex, and calculation accuracy is not...
Proceedings Article

Effect of Different Nanoparticles on Seed Germination and Seedling Growth in Rice

Yi Hao, Ze-Tian Zhang, Yu-Kui Rui, Jing-Yao Ren, Tian-Qi Hou, Si-Jie Wu, Meng-Meng Rui, Fu-Ping Jiang, Li-Ming Liu
The aim of this study was to investigate the phytotoxicity of Fe2O3 nanocubes, Fe2O3 short nanorods, Fe2O3 long nanorods, TiO2 NPs; and MWCNTs to rice (Oryza sativa L.) seedlings during germination, including rice germination ratio, root length, shoot length and fresh weight. Our investigation found...
Proceedings Article

Highly Efficient Dye-Sensitized Solar Cells based on Carbon Nanofibers Counter Electrodes

Ming-Kun Wang, Jun Xu, Ya-Bing Sun, Hui-Ying Wang, Ti-Ti Xie, Rui-Xue Chen, Ling Li, Miao Zhang, Xiao-Xian Yuan
Carbon nanofibers (CNFs) exhibiting a large surface area and structural stability can provide high electrochemical performance in dye-sensitized solar cells (DSSCs). The effect of CNFs layer thickness on the performance of the DSSCs was researched by cyclic voltammetry (CV), and Tafel polarization measurements....
Proceedings Article

Co2+-Exchanged Titanate Nanotubes as a Novel Heterogeneous Catalyst for Peroxymonosulfate Activation and Degradation of Organic Pollutants

Yun-Chen Du, Yan-Wu Qi, Di Guo, Feng Lin, Jun Ma
We have successfully obtained highly isolated Co2+ active sites on the surface of titanate nanotubes (TNTs) by a simple ion-exchange process. The as-prepared Co-TNTs were applied in heterogeneous catalysis to generate powerful radicals from peroxymonosulfate (PMS) for the removal of recalcitrant pollutant....
Proceedings Article

Green Synthesis of Silver Nanoparticles with Antibacterial Activities Using Aqueous Eriobotrya Japonica Seed Extract

Bo Rao, Ren-Cheng Tang
An eco-friendly approach for the preparation of silver nanoparticles (AgNPs) from silver nitrate solution using aqueous Eriobotrya japonica seed extract was investigated. The reduction of silver ions in solution was monitored using UV-vis spectroscopy, and the surface plasmon resonance of AgNPs at 428...
Proceedings Article

A Study on Effective Elastic Modulus of Nanocomposites

Li-Chun Bian, Jing Pan, Cai-Hua Wang
Nanocomposites reinforced by carbon nanotubes exhibit great advantages in engineering applications. The waviness of nanotubes is one of the important factors which affect the effective elastic modulus of nanocmposites. This paper aims to develop a new model to replace the wavy carbon nanotubes with effective...
Proceedings Article

Growth of Aligned Carbon Nanotubes on Different Metal Substrates

Le-Hao Chai, Xin-Hua Li, Sen Zhang, Fei Wang, Hang Yang, Shuai Qiao, Xue-Ao Zhang
Vertically aligned carbon nanotubes (VACNTs) grown on metal substrates are of great importance for their applications in thermal and electrical devices. However, synthesizing better quality and long CNTs on metal substrates is still a big challenge. We have synthesized vertically aligned multiwalled...
Proceedings Article

Structure Stability and Growth Strategies of the (MgO)n (n=1-13) Clusters

Zhen Zhao, Di Wang, Qi Di, Zhi Li
The thermal decomposition process of magnesite significantly affects the catalytic activity of MgO. The structure, stability and growth strategies of the (MgO)n (n = 1-13) clusters were investigated by density functional theory. From reaction energy it can be seen that the contributions of the small...
Proceedings Article

Geometries, Stability and Growth Strategies of Small AlnCu (n=1-9) Clusters

Zhi Li, Zhong-Hao Zhou, Hong-Bin Wang, Zhen Zhao
To improve the anti-crack performance of Al-Cu alloys, the geometries, relative stability as well as growth strategies of AlnCu (n=1-9) clusters were investigated with spin polarized density functional theory: BLYP. The results reveal that the Cu atom tends to convergence aluminum clusters to close-packed...
Proceedings Article

Nanoindentation Response of Polycrystalline Graphene by Atomistic Simulations

Ying Lu, Jin Qian
Nanoindentation has been widely used to determine the mechanical properties of pristine and polycrystalline graphene in experiments. To investigate the effects of grain size on the mechanical properties of polycrystalline graphene, we use molecular dynamics simulations to study the nanoindentation response...
Proceedings Article

Controllable Preparation and Electrochemical Behavior of Nanostructured Zn2GeO4

Wen-Jiu Wang, Qi-Fan Wang, Shi-Zhao Kang, Xiang-Qing Li, Li-Xia Qin, Jin Mu
A series of nanostructured Zn2GeO4 were prepared in a low temperature solvothermal process and characterized with transmission electron microscopy and X-ray diffraction. Then, the formation mechanism of nanostructured Zn2GeO4 was discussed. At last, their electrochemical behavior was investigated. The...
Proceedings Article

Microwave-Assisted Synthesis of Ag/Cu Bimetallic Nanoparticles and Their Antibacterial Properties

Pei-Yi Li, Shu-Peng Song, He-Rong Zhou, Yuan-Zhuo Zhang, Tian Wan
Ag/Cu bimetallic nanoparticles were synthesised in a few minutes using 1-heptanol as reducing agent in a microwave reactor. The products of microwave heating and oil-bath heating were compared. Experimental results decide that, it is easier to obtain a higher degree of crystallization, smaller size distribution...
Proceedings Article

The Preparation and Papain Immobilization of Novel Mesoporous SiO2/Fe3O4 Microspheres with Size-tunable Hollow Cavity

Qun-Yan Li, Yun-Lu Zhou, Peng-Yan Wang, Qi Wei, Zuo-Ren Nie
The SiO2 microspheres with different diameters were prepared by a seeding technique through adjusting the mass fraction ratio of TEOS and silica sol in the reaction solution. The mesoporous SiO2/Fe3O4 microspheres with size-tunable hollow cavity were prepared by using the SiO2 microspheres of different...
Proceedings Article

Preparation and Surface Modification of Monodisperse Fe3O4 Nanoparticles

Zhong-Liang Hu, Shi-Lin Qin, Zhao-Hui Li, Liu-Jiang Xi, Wei-Jian Liu
Monodisperse Fe3O4 Nano particles have been successfully synthesized by solvothermal method using water and ethylene glycol as solvents, and their sizes could be controlled by changing the ratio of water to ethylene glycol. Subsequent surface modification of Fe3O4 had been carried out using tetraethyl...
Proceedings Article

Synthesis and Adsorption Properties of Ti2O(PO4)2·2H2ONanobelts

Po Li, Xiao-Gang Wen, Sheng-Xuan Lin
Ti2O(PO4)2·2H2O nanobelts were successfully synthesized by a simple, template and surfactant-free hydrothermal method,in which titanium sulfate(Ti(SO4)2) and concentrated phosphoric acid (H3PO4) were used as titanium and phosphorus source, respectively. The synthesized materials were characterized by...
Proceedings Article

Aptamer Based Microfluidic Chip for Microbial Detection

Cong-Xiao Zhang, Xue-Fei Lv, Hong Qing, Yu-Lin Deng
Aptamer becomes a novel biosensor for detection of small chemical molecules, biological molecules, and cells. The integrating of aptamer biosensors with microfulidic chip for detection have attracted much attention due to their advantage of miniaturization, sensitivity and high specifity. Microbial detection...
Proceedings Article

Photodegradation of Reactive Black BL-G by Anatase TiO2-graphene Nanocomposites

K. Ren, S.G. Pan, Y.S. Fu
Anatase TiO2-graphene (ATG) nanocomposites were prepared via a facile one-step solvothermal method. The samples were characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, Raman spectra and transmission electron microscopy (TEM). During the solvothermal reaction, anatase...
Proceedings Article

The Magnetic Control Tunable Characteristics of Localized Modes of One-dimensional Cantor Quasicrystal Structure Containing Nanoparticle Magnetic Fluid

C.X. Zeng, J.P. Li, K. Liao, Y.M. Xie
The magnetic control tunable characteristics of localized modes of One-dimensional Cantor quasicrystal structure containing nanoparticle magnetic fluid is studied by using the transfer matrix method. First, the physical model of One-dimensional Cantor quasicrystal structure containing nanoparticle magnetic...
Proceedings Article

Effect of Nano Combustion Modifier on Combustion Properties of DB and CMDB-propellant

Zhi-Feng Yuan, Feng-Qi Zhao, Jiao-Qiang Zhang, Hong-Xu Gao, Xiu-Duo Song, Yan-Jing Yang, Wei Zheng, Liang Ma
In order to investigate the effects of several nano combustion modifiers (nm-DPT, nm-CB and nm-Al) on the combustion properties of DB/Al-CMDB/RDX-CMDB propellants, the propellant samples were prepared through a solventless extrusion technique. The burning rates of propellants were measured by the strand...
Proceedings Article

Fabrication of ZnO Hollow Microspheres Organized by ZnO Nanorods via Single-step Hydrothermal Process

Ying-Ying Li
Micrometer scale hollow ZnO dandelions organized by ZnO nanorods were prepared by single-step hydrothermal process. The diameter of the nanorods with the pencil shape tip is estimated to be 150-500nm. The length of the nanorods is more than 2 m. Structure analysis indicated that the as-prepared products...
Proceedings Article

Electrochemical Polymerization and Characterization of Polyaniline/Carbon Nanotube Composite Films

Liang Zhao, Xiao-Xia Li, Yu-Xiang Guo, De-Yue Ma, Zhang-Bin Huang
Polyaniline/Carbon Nanotube (PANI/CNT) composite films doped with dodecyl benzene sulfonic acid were synthesized by cyclic voltammetry on an ITO-deposited polyethylene terephthalate substrate. The SEM and FTIR were used to characterize the micro-morphology and chemical structure. The effect of CNT concentration...
Proceedings Article

Performance of Tungsten Alloy Hardened by Electrospark

Jia-Hui Qu, Yan Li, Ce-An Guo, Yuan-Chao Wang, Hai-Long Liu
The microstructure, hardness and corrosion resistance of the tungsten alloy hardened layer, which was hardened by different power of electrospark, were investigated. The results show that the matrix and the electrode of the tungsten alloy were melted into each other after hardened by electrospark. The...
Proceedings Article

The Austenite Grain Growth Behavior and Mathematical Model of 20CrMnTiH

Feng Wang, Wei Feng, Zhi-Xing Guan, Ri-Jie Cong, Fei Qin
The 20CrMnTiH gear steel was heated at temperature range from 850°C to 1250°C and at holding time range from 0s to 480s to obtain the law of austenite grain growth by using Gleeble-3500 thermo-simulation-machine in this research. The effects of heating temperature and holding time on austenite grain...
Proceedings Article

The Preparation Method of Aluminum-magnesium Alloys

Shan-Shan Zhu, Hong-Min Kan, Xiao-Jun Feng, Ning Zhang, Hong Sun
In this paper, the preparation methods of aluminum-magnesium alloys are reviewed. The three methods of preparation of aluminum-magnesium alloys are introduced: the mixing method, mechanical alloying method, electrodeposition method. And the advantages and disadvantages and characteristics of three methods...
Proceedings Article

Design and Test of Laser Transmission Welding System for Automotive Plastic Parts

Yu Gu, Ming Hu, Li-Jie Zhang, Yu-Juan Liu
With the development of the plastic connection technology and laser welding technology, as well as the improvement of the processing requirements of automotive plastic parts, laser transmission welding method is the first choice for the welding method of automobile plastic welding, which has the advantages...
Proceedings Article

Fatigue Behavior of 2198-T8 Aluminum-lithium Alloy with Riveted Lap Joints

An Chen, Shan-Shan Li, Fei Xu, Deng-Ke Dong
The detail fatigue rating (DFR) value of riveted lap joints made of 2198-T8 aluminum-lithium alloy was measured and calculated based on the fatigue test results. Fatigue fracture surface morphology was examined by scanning electron microscopy (SEM). The results indicate that DFR value of 2198-T8 alloy...
Proceedings Article

Research and Evaluation of X80 Hsaw Line Pipe

Qiu-Rong Ma
This paper gives an introduction to the application research and the quality status of X80 HSAW pipe. The line pipe specification was analyzed combining with the properties of the practically manufactured pipe in this paper. It's shown that the pipe manufactures have established the steel design process...
Proceedings Article

Crystal Plasticity Finite-Element Simulation of Ti-6Al-4V Alloy with 3D Polycrystalline Models

Zhi-Hong Wu, Hong-Chao Kou, Bin Tang, Jie Shao, Feng-Bo Han, Jin-Shan Li
Polycrystalline aggregate models are built based on the theory of Voronoi diagram, then crystal plasticity finite element method (CPFEM) is used to study the relationship of microstructures and stress-strain responses in Ti-6Al-4V alloy during uniaxial tensile tests at room temperature. Stress–strain...
Proceedings Article

Study on the Influence of Process Parameters on Grain and Phases of TC4 Ti-alloy Forging

Guo-Hui Quan, Xu-Yong Zhao
By using the finite element software, the thermal process of TC4 Ti-alloy large die forging two beam is analyzed, the influence of billet initial heating temperature and compressor speed on the distribution of grain and phase is revealed. The research shows that fine and uniform microstructure will be...
Proceedings Article

Microstructures and Mechanical Properties of MIG Welding Joint of 7005 Aluminum Alloy

Yi Li, Xiang Zhang, Xue-Jiao Ma
Metal inert-gas welding of 7005 aluminum alloy profiles was conducted using ER5356 filler wire. The mechanical properties and microstructures of the welding joint were investigated by OM, SEM, micro-hardness test and tensile test. The results show that the tensile strength, yield strength, and elongation...
Proceedings Article

High Strength Mg-5Sn Alloy Prepared by Rapidly Solidified Powder Metallurgy

Zhi-Ming Cui, Yun-Gui Chen, Wu-Cheng Ding, Chun-Ming Wang, Su-Fen Xiao, Peng Cheng
The microstructure and mechanical properties of rapidly solidified powder metallurgy Mg-5Sn alloy were studied in this paper. The results show the nano-scale Mg2Sn phases are dispersed homogeneously in the fine -Mg matrix for the RS P/M Mg-5Sn alloy. In addition, it is also found that the submicron structure...
Proceedings Article

Effect of Electric Field on Aging Phase Transformation in Al-Zn-Mg-Cu Alloys

Chun-Mei Li, Zhong-Jing Xie, Zhi-Qian Chen, Xiao Li, Hong He, Nan-Pu Cheng
The effect of electric fields on the aging phase transformation of Al-Zn-Mg-Cu alloys is investigated with the first-principles method combined with vacancy mechanism. The effects of external electric field with different direction on aging phase transformation and electron structure are analyzed. Results...
Proceedings Article

Effect of In Situ TiB2 Particles on the Microstructure and Mechanical Properties of Spray deposited Zn-30Al-1Cu Alloy

Feng Wang, Bai-Qing Xiong, Yong-An Zhang, Hong-Wei Liu, Zhi-Zhui Li, Xi-Wu Li
In this study, the Zn-30Al-1Cu (wt%) alloy and TiB2/Zn-30Al-1Cu composite were synthesized by the spray atomization and deposition technique. The microstructures and mechanical properties of the spray deposited alloy and composite were studied using scanning electron microscopy (SEM), transmission electron...
Proceedings Article

Effect of Cu Additions on the Microstructure and Mechanical Properties of Spray Deposited Zn-30Al Alloy

Hong-Wei Liu, Feng Wang, Shu-Hui Huang, Hong-Wei Yan, Xi-Wu Li, Zhi-Hui Li, Yong-An Zhang, Bai-Qing Xiong
Zn-30Al-xCu (x=0, 1, 2, 4) alloys were prepared by the spray atomization and deposition technique. The microstructures of the spray-deposited alloys were investigated by means of scanning electron microscope, transmission electron microscope, X-ray diffraction. The results indicate that the 1 wt. % Cu...
Proceedings Article

Investigation of Weldability of Multi-layer Metals by Laser Impact Welding

Shuai Gao, Hui-Xia Liu, Zong-Bao Shen, Xiao Wang, You-Juan Ma
Laser impact welding is a relatively novel solid welding technique. In this study, weldability of three layer aluminum foils by laser impact welding has been experimentally investigated. Besides, the welding area and interface morphology of the welded joints were also studied. Experiment results show...
Proceedings Article

Influence of Strain Rate on Dynamic Recrystallization Behaviors of a Near- Titanium Alloy During Isothermal Hot-tensile Deformation:Experimental and Simulative Investigation

Peng Lin, Yong-Gang Hao, Wang-Jun Cheng, Cheng-Zhong Chi
Dynamic recrystallization (DRX) behaviors of a near- titanium alloy during isothermal hot-tensile tests were investigated with finite element simulation and electron backscattered diffraction (EBSD) test. The results show that the DRX behavior of the alloy is strongly sensitive to the strain rate, i.e.,...
Proceedings Article

Elastic Constants and Properties of B2-type FeAl and Fe–Cr–Al Alloys from First-Principles Calculations

Y. Chen, Z.J. Yao, P.Z. Zhang, X.X. Luo, Z.L. Zhang, P.D. Han
The elastic constants (cij) and elastic properties of B2-phase FeAl intermetallic compounds and Fe–Cr–Al ternary alloys are studied by performing first-principles density functional theory calculations. The stable structures of Fe–Cr–Al and the elastic constants of FeAl and Fe–Cr–Al are predicted within...
Proceedings Article

Effect of Anneal Temperature on Microstructure and Mechanical Properties of 0Cr21Ni6Mn9N cold Drawn Pipe

L.L. Xiong, H.Z. Zheng, F.W. Yuan, S.Q. Lu, Q.H. Luo
The microstructure and mechanical properties of 0Cr21Ni6Mn9N austenitic stainless steel cold drawn pipe were investigated at various annealing temperatures. It was found that the tensile strength and the yield strength increased slightly, and then decreased with the temperature increasing from 200 to...
Proceedings Article

Oxidation Behavior of TP304H in Water Vapor at 590 °C

W. Gao, J.N. Liu, Z.P. Wang, Y.H. Jin, Y.H. Yao
Oxidation tests were performed in water vapor at 590 °C by mass gain to study the oxidation behavior under working conditions of TP304H steel, which is a new alloy steel used for overheaters and reheaters in high–parameter boilers operated in thermal power stations. The microstructure was observed in...
Proceedings Article

Effect of Mo Content on the Microstructure and Mechanical Properties of TiC Steel Bonded Carbide

G.P. Li, W. Chen, L.H. Sun, H.S. Sun, F.H. Luo
The effect of Mo content on microstructure and mechanical properties of TiC steel bonded carbide was investigated when Mo content was 0.6%, 1.25%, 2% and 2.5% respectively. Results showed that density, hardness and transverse rupture strength of the sintered material achieved the best combined values...
Proceedings Article

Effect of Nickel Pre-plating on the Plating of Zn-Ni Alloy Coating on Stainless Steel Substrate

X.D. Liu, Y. Zhou, C.Y. Nie, J. Liu, C.Y. Xiao
Nickel pre-plating on stainless steel parts, electroplating Zn-Ni alloy layer on the basis of pre-plating layer. In order to improve the bonding strength between the coating and substrate by the introduction of nickel to form a good bonding with the iron matrix. To explore the influence of nickel pre-plating...
Proceedings Article

Effects of Eletro Deposition Process Parameters on the Tribological Properties of Ti (CN) Particles Reinforced Ni-base Alloy Composite Coatings

Ting Xu, Hua-Bing Li, Bing Liu, Jing Li, Xiang Hong, Chu-Fan Xiao, Yu-Min Jiao
The Ni-Co-Ti (CN) composite coatings were prepared on aluminum alloy by eletro deposition technology. The effects of eletro deposition process parameters on the tribological properties of composite coatings were investigated, and the best eletro deposition process parameters were determined. The tribological...
Proceedings Article

Coating Thickness Controlled by Different Protective Atmospheres for A Hot Dipped 0.7mm Thin Steel Slab

Fang Fang, Li-Xin Wang, Xiao-Feng Du, Feng Huang
The zinc based coating weight and thickness under different protective atmospheres and zinc bath chemistries were studied in laboratory by HDPS (hot dipping process simulator). The results show that, the coating had a good adhesion on matrix with no leakage and micro crack, the binder course of coating...
Proceedings Article

The Effect of Air Knife Wiping Speed on Galvanized Coating Weight and Thickness

Li-Xin Wang, Fang Fang, Jiang-Wen Li
An important factor of wiping parameters-wiping speed was controlled precisely in the paper to study its effect on galvanized coating weight and thickness. The experiment was conducted by a hot dipping process simulator, the experimental steel was immersed in a zinc bath of Zn-0.24Al (vol%) at stable...
Proceedings Article

Experimental and Simulative Study on the Hydrodynamics of the Rectangular Otter Board

Q.-C. Xu, L.-Y. Huang, Z.-L. Liang, F.-F. Zhao, X.-X. Wang, R. Wan, Y.-L. Tang, T-W Dong, H Cheng, J-Q Xu
The otter board is a vital component of single trawl system, of which the hydrodynamics can directly affect the trawl operation and catch performance. This paper studied the hydrodynamics of the rectangular otter board using numerical simulation, and the simulation accuracy was verified by flume tank...
Proceedings Article

Studies on Adiabatic Shear Bands of Ti6Al4V after Hot Compression

Xiang-Hong Xu, Yan-Qing Yang, Liu-Qing Yang
The adiabatic shear bands were induced in Ti6Al4V alloy with original equiaxed grain by compressing cylindrical sample with the strain rate of 50s-1 at 750 C and studied by using electron backscattered diffraction. Three regions of matrix, elongated transition region and ASBs, can be observed in the...
Proceedings Article

A Research on the Metal's Three-dimentional Plastic Flow Mechanism in Rail Universal Rolling

Yong-Gang Dong, Guo-Ling Luo, Zhong-Chao Ren
For studying the metal's three-dimentional platic flow mechanism along the longitudinal direction and lateral direction in rail universal rolling, the relationship between the metal flow volume and the elongation coefficient of different parts of rail was proposed, then the elongation coefficient of...
Proceedings Article

Fatigue Crack Propagation Rate of High Strength Steel's Welded Joints

Hong-Tao Li, Xu-Ding Song
The high strength low alloy steel's (HG785D) welded joint was formed by strength match under MAG (80% Ar +20% CO2). The microstructure, micro-hardness and fatigue crack growth rate of the parent metal, weld and heat affected zone were tested and analyzed. The results show that the heat affected zone's...
Proceedings Article

An Equivalent Model of Corrugated Structures

Yu-Qian Li, Jia-Yu Wu, Hao-Wei Gu, Zong-Yong Chen, Xiao-Bing Shi, Hong Yuan
Corrugated structures have wide application in engineering. The corrugated structure is replaced by an orthotropic plate with equivalent stiffness properties in this paper. After equivalent stiffnesses are obtained, deflections and modals of simply supported orthotropic plates can be analyzed theoretically,...
Proceedings Article

Detailed Wind Prood Joints Design in Aluminium Standing Seam Metal Roofing System

Xuan Guo, Xiao-Xin Zhang
Detailed wind prood joints design in aluminium standing seam metal roofing system is discussed in this paper. The aluminum standing seam metal roofing systems are more widely used in large public buildings; different actual project shows that it meets the complex shape of the building and the natural...
Proceedings Article

Standing Seam Metal Roofing System Application in the Large-scale Public Buildings

Xuan Guo, Xiao-Xin Zhang
System introduced standing seam roofing system, which is mainly used in large-span self-supporting structure of a closed system; in recent years, with the further development of metal materials technology and engineering technology, since the metal roofing system with light weight, durability and high...
Proceedings Article

Niclosamide Sustained Release Tablets with a Long-term Effect Based on Expanded Graphite

Lin Gao, Ye Wei
Niclosamide sustained release tablets with a long-term effect based on expanded graphite were prepared. Their sustained release properties were determined by using UV/VIS spectroscopy. The results show that the release rate of niclosamide decreases with the increase of the content of graphite in the...
Proceedings Article

Effect of Annealed Temperature on Microstructure and Magnetic Properties of Ag/Fe/Ag Nanogranular Films

Qin Xu, Ya-Xuan Ren, Ru-Song Li, Jing-Jin Liu
Ag(3 nm)/Fe(35 nm)/Ag(3 nm) nanogranular films were fabricated by magnetron sputtering system onto glass substrates and subsequently annealed at different temperature. The microstructure and magnetic properties of Ag/Fe/Ag films were investigated as the annealed temperature increases from room temperature...
Proceedings Article

Mn-Zn Ferrite Prepared by Sr2+ Doping

Neng-Wei Wang, Shao-Xia Xia, You Li
In this paper, the effect of different concentration of Sr2+ doping on the synthesis of Mn-Zn ferrite precursor by sol-gel method was studied, and the final product was synthesized by high temperature sintering. It showed that the spinel phase ZnFe2O4 of Mn-Zn ferrite gradually increased with the increase...
Proceedings Article

Simulation of Heat Radiation for High-power LED Liquid Packaging

Dong-Sheng Peng, Dan Zeng, Cong-Cong Tan
With the power of LED gradually ascend, LED lighting lamps' heat problems also increasingly exposed. The paper is around the study of high power LED packaging of liquid cooling. Through comparative analysis of DLC metal base, aluminum nitride ceramics and alumina ceramic thermal performance, it is found...
Proceedings Article

Nodal Gap Energy in High-Tc Cuprate Superconductors: A new Paradigm

Hiroaki Anzai, Masashi Arita, Hirofumi Namatame, Masaki Taniguchi, Motoyuki Ishikado, Kazuhiro Fujita, Shigeyuki Ishida, Shinichi Uchida, Akihiro Ino
In high-Tc cuprate superconductors, the d-wave-like superconducting gap appears to depart from the standard proportionality with critical temperature Tc, and shows different doping dependences between the nodal and antinodal regions of momentum space. The failure of the attempts so far to formulate these...
Proceedings Article

Effect of 0.5PbO-0.5B2O3 Glass Addition on the Microstructure and Electrical Properties of Pb0.87Ba0.1La0.02(Zr0.68Sn0.26Ti0.06)O3 Anti-ferroelectric Ceramics Fabricated by Hot-press Sintering Method

Si-Si Liu, Guang-Zu Zhang, Sheng-Lin Jiang, Bo Li, Xiao Zhu
The sintering temperature of lead-basedanti-ferroelectric (AFE) ceramics is always as high as1230°C which leads to the volatilization of lead and deterioration of performance. In order to bring down the sintering temperature and preventthe deterioration of electrical properties of AFE ceramics, Pb0.87Ba0.1La0.02(Zr0.68Sn0.26Ti0.06)O3(PBLZST)...
Proceedings Article

Active LSP based structure for Holographic 3D Video Display

Hao Wang, Ming-Hua Zhang, Chuan Shen, Sui Wei
A novel structure hybridized localized surface plasmons (LSP) with liquid crystals(LC) to offer active modulation on sub wavelength structure, it allow for CMOS-compatible fabrication is presented with theoretical explanations and the results of numerical simulation. Among the candidate devices for true...
Proceedings Article

Electrical Properties and Photo-response of FETs based on Few-layer WS2 Nanoflakes

Hang Yang, Shi-Qiao Qin, Fei Wang, Jin-Yue Fang, Xue-Ao Zhang
The photo-electrical properties of few-layer WS2 nanoflakes, fabricated by mechanical exfoliation, were systematically studied in this paper. The few-layer WS2 FETs are n-type and possess a high gate modulation (On/Off ratio is larger than 104) and a relatively high carrier mobility ( ). The photo-electrical...
Proceedings Article

PMMA Lens Design and Manufacturing for Indoor Uniform Illumination

Dian-Hong Liu, Xiao-Hui Zhang, Chen Chen
Based on a new ray mapping method in (u, v) coordinate system, we have designed a polymethyl methacrylate(PMMA) lens for indoor uniform illumination. The lighting area is 18m ×18m and has a distance of 8m to the light source. We have calculated the surface curves and lofted them into surface, then the...
Proceedings Article

Synthesis and Electrochemical Performance of Plate-like Structure LiMn0.8Fe0.2PO4/C as a Cathode Material for Lithium Ion Battery

Jun-Wei Xiong, Yuan-Zhong Wang, Ying-Ying Wang, Jian-Xin Zhang
Olivine plate-like structure LiMn0.8Fe0.2PO4/C has been successfully synthesized under mild conditions using H2O/DMSO as solvent and CTAB as surfactant. DMSO and CTAB promote the formation of plate-like structure. The prepared plate-like structure LiMn0.8Fe0.2PO4/C delivers a reversible capacity of 141mAh•g-1...
Proceedings Article

Synthesis of Spinal Mg1.5Mn0.25Ti0.5O3 by a Solid State Reaction Method and Study of Its Exchange for Li+

Jin-He Jiang, Su-Qing Wang, Sheng-Bin Zhang
Spinel-type metal oxides, magnesium-manganese- titanium oxide (Mg1.5Mn0.25Ti0.5O3) was prepared by a solid state reaction crystallization method. The acid treatments of MgMn0.25Ti0.75O3 caused Mg2+ extractions of more than 74%, while the dissolutions of Mn4+ and Ti4+ were less than 9.0%. The experimental...
Proceedings Article

Inorganic Ion Exchanger Mg1.5Ti1.25O4 and Its Ion-exchange Ability

Jin-He Jiang, Su-Qing Wang, Sheng-Bin Zhang
Spinel-type metal oxides, magnesium-manganese- titanium oxide (Mg1.5Ti1.25O4), was prepared by a solid state reaction crystallization method. The Li+ extraction/insertion with this material were investigated by X-ray and Kd measurement. The results showed that the Li+ extraction/insertion be progressed...
Proceedings Article

Study of Li+ Ion-exchanger Mg2TiO4

Jin-He Jiang, Su-Qing Wang, Sheng-Bin Zhang
Spinel-type metal oxides, magnesium-titanium oxide (Mg2TiO4), was prepared by a solid state reaction crystallization method. The spinel construction of Mg2TiO4 was conformed by XRD. The results showed that the Li+ extraction/insertion be progressed mainly by an ion-exchange mechanism. The acid treated...
Proceedings Article

A Solid-State Metal Hydride/Oxygen Cell using La0.78Ce0.22Ni3.73Mn0.30Al0.17Fe0.50Co0.30 in the Anodeand Nafion as Electrolyte

Yu-Bin Zhang, Chao-Ling Wu, Yun-Gui Chen, Li-Wu Huang, Ding Zhu, Xu Dai, Wan-Hai Zhou
A solid polymer electrolyte metal hydride (MH)/oxygen cell using La0.78Ce0.22Ni3.73Mn0.30Al0.17Fe0.50Co0.30in the anode and Nafion as electrolyte is described and investigated experimentally. In this work, the discharge performances of the cell are compared in two charging ways, namely, electrochemical...
Proceedings Article

Synthesis and Characterization of Photoresponsive Biopolymers Having Spiropyran and Chitosan Groups

Yuan-Jing Zhou, Qing Xu, Qiang Jia, Fei Nie, Gui-Long Gao, Ying Zhang
Photoresponsive materials have attracted much attention recently because of their potential utility in many areas such as industrial, agricultural and pharmaceutical. In this paper, several photoresponsive biopolymers having spiropyran and chitosan groups were synthesized, and the structure and properties...
Proceedings Article

Badminton-like LiCoPO4 Nanomaterials: Synthesis, Characterization and Electrochemical Performance as Lithium-Ion Battery Cathodes

Sheng-Xuan Lin, Xiao-Gang Wen, Wei Qin
Badminton-like LiCoPO4 nanomaterials were synthesized by a hydrothermal method, using PEG 200 as the structure directing agent, followed by a high temperature post annealing process. LiCoPO4 nanoparticles could be obtained when PEG 200 is absence during the same synthesis process. As-synthesized products...
Proceedings Article

Numerical Simulation of Temperature Field in Single-crystal Growth by Optical Floating Zone Technique

Meng-Jie Shi, Yin-Zhou Yan
Optical floating zone (OFZ) technique is one of the most used methods for growth of single crystals. Although OFZ has been extensively investigated for past decades, the temperature distribution during growth has not been understood due to the complicated process during growth. It makes the optimization...
Proceedings Article

Doping- and Momentum-Dependent Superconducting Gap of Bilayer Cuprate Bi2Sr2CaCu2O8+ Revealed Using Low-energy ARPES

Hiroaki Anzai, Masashi Arita, Hirofumi Namatame, Masaki Taniguchi, Motoyuki Ishikado, Kazuhiro Fujita, Shigeyuki Ishida, Shinichi Uchida, Akihiro Ino
We report a systematic study of angle-resolved photoemission spectroscopy on Bi2Sr2CaCu2O8+ by using low-energy synchrotron radiation. Our focus is on delineating the doping- and momentum-dependent superconducting gap of the bilayer split bands, which are associated with the intracell hybridization of...
Proceedings Article

Insulation Breakdown Influence Factors and Development of Cross-linked Polyethylene Cable

Yan-Li Xu, Wen-Jie Mei, Hong-Liang Yang, Chun-Mei Li, Guang-Hui Song
This paper mainly introduces the two cross-linking polyethylene insulation breakdown failure factors: space charge and water tree. And it further analyzes their mechanisms of initiation and growth. Cross-linking byproducts and current type are the major influence factors of space charge which will result...
Proceedings Article

Programmable Thermocouple Transmitter with Compensation Function

Ying-Li Wang, Jian Wang, Zhuo-Zhi Yan
On the basis of discussing cold junction compensation of thermocouple measurement, an improving solution was provided which was based on the stm32 with the programmable thermocouple transmitter with compensation function. Thermo emf is sent to the MCU of the host computer after A/D conversion, and then...
Proceedings Article

The Electrical Tree of Polyethylene Insulation Study Progress

Wen-Jie Mei, Hong-Liang Yang, Chun-Mei Li, Ran Chen, Cheng-Cheng Song
This article describes some influences factors and growth mechanism of cross-linked polyethylene electrical trees. There are three main factors which are water trees, temperature and voltage levels. Growth mechanism includes growth mechanism of conductive type electrical trees and growth mechanism of...
Proceedings Article

Room Temperature Magnetic Transition in NdCo2Ge2

Na-Na Xie, Yong-Quan Guo
The magnetic properties of NdCo2Ge2 have been investigated. An abnormal magnetic transition occurs at room temperature. The magnetic field aligned XRD pattern implies that this phenomenon originates from the anisotrophic change by the (110) and (011) planar rotations driving by the applying magnetic...
Proceedings Article

Structures and Photoelectric Properties of Ce and Co Doped CuInTe2 Semiconductor

Shuai Li, Yong-Quan Guo
The samples of CuIn1-x-yCexCoyTe2 were successfully synthesized by vacuum arc-melting method. The structure and optical and electric properties of Ce and Co doped CuInTe2 have been investigated using Powder X-ray diffraction(XRD), scanning electron microscopy(SEM), ultraviolet and visible spectrophotometer...