Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering

+ Advanced search
440 articles

Prediction Research of Death Number in Construction Accident Based on Unbiased Grey-Fuzzy-Markov Chain Method

Yu Li, Mengnan Li
Some of the inherent characteristics of the construction industry makes frequently construction safety accidents, and as well , that’s caused a serious of adverse effects , by now, the effective prediction which is about the trend of death number in construction accident becomes extremely important....

Shear Deformation Characteristics of Aeolian Sand in Gurbantunggut Desert

Chang-Ning Jin, Yu-Hong Zhang
Through various types of quick shear test, completely grasp the shear deformation characteristic of aeolian sand in Gurbantunggut Desert. The test result shows that the shear deformation curve of aeolian sand is influenced obviously by relative compactness. When the latter one is lower than 95%, the...

Study on Urban Construction Land Suitability Evaluation in China’s Southwestern Frontier Mountainous Area: A Case Study in Longchuan County, Yunnan Province

Yi-Mei He, Zi-Sheng Yang, Bo-Sheng Zhang, Ming-Jun Xu
Carrying out the evaluation of land suitability for urban construction in mountainous areas will provide a fundamental basis for building mountainous cities. This study carried out a full evaluation on suitability for urban construction and its suitability grade of each evaluation unit in the mountainous...

Research on Saving and Intensive Evaluation Indicator System of Rural Infrastructure Construction

Xinwei Li, Ying Cao, Lili Zhang, Pengfei Qiu
This paper proposed an indicator system to the saving and intensive of infrastructure. The evaluation indicator system was built from three dimensions - transportation facilities evaluation indicator, water supply and drainage facilities evaluation indicator, safety and disaster prevention facilities...

Game Analysis of Government and Enterprises in the Reverse Logistics of Waste Household Appliances

Jiani Lou, Tianjun Hu
This paper uses game theory to analyze the behavior of government and enterprises in the Reverse Logistics (RL) of Waste Household Appliances (WHA). A static game model and a dynamic game model are established to study respectively the periods of establishing and operating the Reverse Logistics System...

Methods for model error analysis of pulse impulse measuring torsion system

Xing Jin, Dapeng Wang, Chao Zhu
orsion system is a typical pulse impulse measuring method. Currently used analysis model is the impulse moment interaction model. According to the response characteristic analysis of torsion system under pulsed impulse action, using analytical methods, this thesis proposes error analysis methods for...

The Comparison of Calibration Method of Binocular Stereo Vision System

Zhang Ke, Gao Zhao
Stereo vision is a non-contact method to realize 3D reconstruction of free-form surface, and has a wide range of applications in the field of reverse engineering and virtual reality. The technology of camera calibration has always been the research hotspot and difficulty. In this paper, firstly the experimental...

A 12 Bit IF Sampling Pipelined ADC in 0.18um BiCMOS

Liang Li, Dongbing Fu, Mingyuan Xu, Xingfa Huang
In this paper, a 12 bit 500MS/s IF Sampling ADC is described. The ADC has an integrated input buffer with a new linearization technique that improves its distortion. Eight pipeline stages with fully differential switched capacitor architecture follow the input buffer. Each of stage of the pipeline, excluding...

Research on improved strategy of ant colony optimization algorithm

Rui Wang, Jinguo Wang, Na Wang
This paper summarizes three kinds of improved strategies for ant colony optimization algorithm: the improved strategy based on the structure of solution, the improved strategy based on the pheromone updating, and the improved method based on the solution processing. Taking the ant colony system as an...

A New Image Fusion Method for Infrared and Visible Images Combining with Compressive Sensing Technology

Ying Zhu, Yongxing Jia, Chuanzhen Rong, Yu Yang
Compressive sensing is a novel information theory proposed recently.It broke through the restrictions of the traditional Nyquist sampling theorem on the sampling frequency,which can only use fewer sampling signals to describe the original signals.This article introduces an image fusion algorithm based...

Prepared polyclonal antibody of the semicarbazide

Xuan-Yun Huang, Dong-Mei Huang, You-Qiong Cai
Nitrofurazone residues in fishery products were dangerous for human health , semicarbazide (SEM) was the nitrofurazone metabolite could residues in fishery in a long time . To detect SEM residues in fishery products rapidly by immune method, preparation of high quality polyclonal antibody against SEM...

Investigation of Extraction and Purification Technology of Total Saponins from Sindora glabra Seeds

Yiping Chen, Chen Chen, Zhenyi Liang, Bo Wang, Pinghuai Liu
Ginsenoside Re is employed as the reference substance for the determination of contents, elution rate of the total saponins from Sindora glabra seeds is as the evaluation index, the optimum extraction technology derives from the L9 (34) orthogonal experiments designed for purpose of the maximum extraction...

The mechanical property prediction of fibre-reinforced composite materials based on a new generating random fibre distributions method

Heyuan Huang, Meiying Zhao, Yonghui Dai, Yonghui Wang
This paper focuses on the issues of the fibre-reinforced composite material microstructure and presents a new numerical method to generate random fibre distributions and predict the macroscopic mechanical properties of composite materials based on the represent volume element (RVE). The method, named...

The Study of Prediction of Sensor System Errors for Maneuvering Target Tracking

Guangjun He, Yanbin Li, Jianfeng Wu, Bin Liu
Considering that it’s difficult to build target motion model in structure stochastic jump system, this paper studies system errors estimation. Based on the Maximum Likelihood (ML) estimation, a conclusion is drawn, that is, there exists a causal conjunction between system errors and state estimation....

Design of Wireless Sensor Networks on Offshore Environment Monitor

Songting Qin, Ying Hu, Qiping Jin, Defei Yuan
With the significantly increased exploitation speed of offshore marine resources, marine environmental pollution is getting more and more attention in recent years. Offshore environmental monitoring has become a hot issue in marine ecological environmental research. Wireless sensor networks (WSNs) technology...

Low power consumption lossless image compression algorithm and its application in water strider robot vision system

Yanming Fan, Licheng Wu, Xiaer Li
The emergence of miniature robot makes micro vision sensing system become a hot topic in the field of scientific research. The main task of miniature visual sensor system is image acquisition and wireless transmission, but image transmission occupied the main part of the energy consumption. In order...

Dynamic Response of Viscoelastic Rectangle Kirchhoff Plate

Zhendong Zhang, Dawei Ma, Qiang He
On the basis of the thermoviscoelastic constitutive equation and classical Kirchhoff thin plate theory, the motion differential equation of viscoelastic rectangle plate is deduced. Then the expression of rectangle plate deflection under circle distributed dynamic load and temperature is deduced via Laplace...

The Research of Microstructure UV Curing Mold Injection

Jian-Yun He, Xia Tang, Le Chang, Yu-Mei Ding, Wei-Min Yang, Peng-Cheng Xie, Xian-Chun Ye
Different from the traditional “physical manufacturing” mold injection, UV curing mold injection is a new manufacturing method which combines mold injection process and UV curing technology. On the basis of the traditional mold injection process the photochemical mold manufacturing process parameters...

Current efficiency of synthesis magnesium hydroxide nanoparticles via electrodeposition

Xinzhong Deng, Yaowu Wang, Jianping Peng, Yuezhong Di
The nanograde particles of magnesium hydroxide [Mg(OH)2] with lamella morphology were synthesized by the method of electrodeposition. The effects of operation parameters, such as Mg2+ concentration and electric current density, interpolar distance and Na+ concentration on current efficiency of synthesis...

Production Practice of C82DA High Carbon Steel Wire Rod for Conversion to Wire

Shuwei Cao
Based on design of chemical composition, reasonable adjustment and optimization of smelting and continuous casting process, reheating process, rolling process and cooling process etc., Anyang Iron And Steel Group Co., Ltd. produced successfully 5.5 mm high carbon steel wire rod grade C82DA for conversion...

Digital Design of A Monitoring System for the Power Drive Device of Vehicle

Xinyong Qiao, Cheng Gu, Ying Jin
Researched on a monitoring system for one type of power drive device. Designed a mathematic model for monitoring and evaluating the status of power drive device based on data fusion theory, and developed the related software. Developed a database to manage the measured status data, and then developed...

Study on wood surface colored electroless Ni process

Yanfei Pan, Yu Wang, Jintian Huang
In order to meet the requirements of decoration on a variety of colors, this study with ammonium molybdate and sodium phosphite as coloring liquid ingredient made use of wood through electroless Ni, dyeing to change the wood surface color single situation after electroless plating to find the best technology...

Study on the process of Carbon Nanotubes modified Urea-Formaldehyde Resin Adhesive Study on the process of Carbon Nanotubes modified Urea-Formaldehyde Resin Adhesive

Shaobo Zhang, Yu Wang, Jintian Huang
Using mechanical blending of carbon nanotubes (CNTs) composite urea-formaldehyde (UF) resin adhesives. The ultrasonic time, the amount of CNTs, ultrasonic power orthogonal experiment was carried out. It is concluded that the important order of effect factors on free formaldehyde emission to UF resin...

Two kinds of imidazole chloride salt dissolving performance study of coniferous wood pulp

Zhiqing Guo, Yu Wang, Jintian Huang
Two imidazole type ionic liquids–1-allyl-3-methyl imidazole chloride salt [AMIM]Cl and 1-butyl-3- methyl imidazole chloride [BMIM]Cl–were used as solvent of cellulose, and under low temperature dissolved cellulose directly. In this paper, we found that cellulose was dissolved [AMIM]Cl ionic liquid within...

Study on Fluorescence Spectra of Thiamine and Riboflavin

Hui Yang, Xue Xiao, Xuesong Zhao, Lan Hu, Junjun Zong, Xiangfeng Xue
This paper presents the intrinsic fluorescence characteristics of vitamin B1 and vitamin B2 with 3D fluorescence Spectrophotometer. Three strong fluorescence areas of vitamin B2 locate at ex/ em=270/525nm, 370/525nm and 450/525nm and one fluorescence areas of vitamin B1 locates at ex/ em=370/460nm were...

Analysis of resistant-bias loading of 12,000KN fine-blanking press frame

Lingling Zhu, Chundong Zhu, Rui Xiong
For the 12,000KN fine-blanking machine’s complexity, instantaneous, heavy stress conditions and fine-blanking die’s high-precision, which puts forward a high stiffness requirement of the equipment, the structure of fine-blanking press frame was designed, and its finite element analysis model was established....

Speed analysis of the radial tire on hydroplaning pavement

Gang Cheng, Shihao Zhang, Guoqun Zhao, Qiang Cheng, Zhonglei Wang, Na Liu
When the vehicle is running on the wet road, the contact force between tire and road decreases and the driving controllability of the vehicle becomes worse due to the hydrodynamic force of water. The finite element model of the steel belted radial tire hydroplaning with complex pattern was derived in...

Algorithm of Multivariate Process Quality Control Based on Joint Control Domain Conversion

Qing Niu
Aiming at the problem of multivariate process quality control, an algorithm based on joint control domain transformation is proposed. By using the principal components analysis method, original quality vector is converted to a new one whose components are unrelated, thus the joint control domain of new...

Preparation, electrical contact performance and arc-erosion behavior of Cu/La2NiO4 composites

Yongli Guo, Zhibin Zhou, Yaping Wang
La2NiO4 conductive particles were incorporated into Cu matrix for enhanced electrical contact performance, while their effect on the arc erosion behavior of contacts was investigated. The results indicate that the particles in the hot-pressed Cu/La2NiO4 composites accelerate the separation of oxide scales...

Effect of detergents on quality and flavor of fresh-cut perilla

Chao Zhang, Yunfei Li, Yubin Wang, Yue Ma, Xiaoyan Zhao
The effect of detergents on the quality and flavor of fresh-cut perilla was evaluated. The acidic electrolyzed water and sodium hypochlorite extended the shelf life of the perilla to 11d. The sodium hypochlorite treatments was more effective to avoid the loss of the greenness of the perilla leaf compared...

Study on the electronic structures and optical properties of -FeSi2 using the pseudopotential method

Qing Lin Qiu, Jun Jun Yuan, Hai Jing Cao, Yan Yan Zhu
Electronic structures and optical properties of bulk -FeSi2 are investigated in detail by first principles pseudo-potential methods based on the density function theory. The calculated results show that -FeSi2 is a quasidirect band gap material with gap value of 0.74eV. The density of states is mainly...

Analysis of Computer Information Management System Security

Xiaoling Shi, Xiaoping Shi, Zhitian Zhang
This article takes the computer security management as a breach, from the different angle analysis influence computer information management system security factor, the discussion guards against each kind not to favor the computer information management system security the countermeasure and the measure,...

Ergonomics in Product Design

Xi-Hui Yang, Yuan-Peng Zhu
In this article, according to the social science and technology development, through continuous improvement of the key technology of modern product design: ergonomics, 3D printing technology, man-machine ergonomic evaluation, etc. to gradually make the product design process more perfect and mature,...

Effect of Ti on microstructure and properties of Ti-Nb microalloyed high strength steels

Qing Yuan, Guang Xu, Bei He, Yulong Zhang
Three Ti-Nb microalloyed high strength steels with varying Ti contents were refined in laboratory 50 kg vacuum induction furnace. Microstructure observation and TEM analysis were conducted. Tensile tests were performed. The results show that both yield strength and ultimate tensile strength increase...

Tunnel Monitoring and Measurement Case Study in Qiyueshan Tunnel

Chunjin Lin, Lun Zhou, Shucai Li, Zhenhao Xu, Liping Li, Jing Wu, Yanhuan Zhang
Monitoring and measuring is one of three main factors of the New Austrian Tunneling Method. By measuring the tunnel rock deformation data, collecting and analyzing it, measuring data can be used for the feedback of excavation results and for guiding the construction timely. The tunnel monitoring includes...

Higher Order Crack Tip Fields for Physical Weak-Discontinuous Crack of Linear FGMs Cylindrical Shell with Reissner’s Effect

Yao Dai, Xiao Chong, Jincai Huang, Zhiqiang Zhang
The physical weak-discontinuous problem of an axis-directional interfacial crack between homogeneous material and functionally graded materials (FGMs) cylindrical shells is studied. Base on Reissner plate theory, the governing equations are derived for weak-discontinuous problems of cylindrical shells....

Structural evolution under gamma ray irradiation of zircon originated from Hainan province, China

Weidong Zhu, Long Fan, Xirui Lu
In order to investigate the structural evolution and the capability of resistance to -ray irradiation of natural minerals, the zircon from metamorphic rock in the middle region of Hainan was investigated. The morphologic characteristic of cracked rocks was observed and zircon crystals were selected under...

Seawater Cycling Cooling and Its Industrial Application

Qiang Fu, Lin Tian, Rui Wang, Yue Yang, Yupei Ning, Xuejun Xie
Necessity, history, actuality, problems and countermeasures, industrial application prospect of seawater used as cycling cooling water are analysed. When seawater is used as cycling cooling water, waste water discharge quantity and intake quantity of water are small, engineering investment and operation...

Synthesis of an Epoxy Resin Curing Agent Containing Maleimide Group

Guo Tao, Man Xiao, Ziran Chen, Youhui Xu
A novel N, N-(4-amino phenyl maleimide) diglycidyl amine (APMDGA) was synthesized from maleic anhydride, 4-nitroaniline, and epichlorohydrin by a few-step reactions via intermediate products N-(4-nitrophenyl)maleimide and N-(4-aminophenyl)maleimide. The chemical structure of APMDGA is confirmed by 1H-NMR,...

The Design of Intelligent Charger for Solar energy Based on SCM

Yan She
The design of intelligent solar charging system, through the solar panel to convert solar energy into electrical energy, through DC/DC converter circuit processing, charging the battery. The entire system consists of DC/DC conversion circuit, a processor module, A/D sampling circuit, pulse width modulation...

Fatigue Life Analysis of One Hybrid Bus Frame Based on Road Spectrum

Gaojun Liu, Huaixian Yin, Tiezhu Zhang, Hongxin Zhang, Meishi Zhou
To verify the fatigue life of a hybrid bus frame, the finite element model of the frame is built, and the equivalent stress distribution of the frame was got. Multi-body dynamics vehicle model was built in ADAMS/Car. The simulation analysis was conducted based on the road spectrum compiled by MATLAB...

High discharge capacity of VB2-Ni as anode for VB2/air battery

Qiping Kang, Guoqing Wang, Xin Lu, Xin Zhang, Kun Zhang
The compound powders of VB2 with 25 wt% and 50 wt% Ni were mixed uniformly using a planetary ball miller, respectively. The discharge capacity of VB2/air battery with VB2-Ni as anode in KOH electrolyte was investigated at room temperature and ambient pressure. Meanwhile, the microstructure of VB2-Ni...

Dynamic anti-plane behavior for interacting cracks emanating from the edges of the circular cavities in piezoelectric bimaterials

Lixia Wu, Dong Li, Yanru Ren
In this paper, we examine the dynamic anti-plane behavior of interacting redial cracks emanating from the edges of two interfacial circular cavities in piezoelectric bimaterials under incident anti-plane shearing wave (SH-wave). Green’s functions for a semi-infinite piezoelectric medium with two circular...

Simulation of Micro Blanking Process of Square Hole with Fillet Based on DEFORM-3D

Shining Zhou, Xiaolong Yang, Jing Sun, Wenji Xu, Xin Liu
Simulation of Micro Blanking Process of Square Hole with Fillet was carried out based on DEFORM-3D. The ratio of burnish depth, shear depth and fracture depth to sheet thickness under different relative blanking clearance (c/t) was analyzed. The results show that the burnish depth at the fillet increases...

Parameters optimization for aluminum alloy magnet cover with stamping based on FEM simulation

Huajun Yan, Shuangjie Zhang, Yuzhong Liu
In view of the phenomenon that defects such as fracture, wrinkling and springback may generate when box shaped parts are stamped, however better surface quality on parts have been required. The process of drawing, cutting and springback for magnet covers with arc top and straight sidewall are simulated...

Dynamic characteristics of vibrated droplets on the one-tier and two-tier surface

Gang Wang, Zhi-Hai Jia, Zhen Teng
Dynamic characteristics of droplets on the one-tier surface, which was a micropillared hydrophobic surface fabricated by lithography and two-tier surface, which was a micro-nano hydrophobic surface replaced by dry lotus leaf were studied under vertically vibration. Our experiments shown that the two-tier...

Synthesis and Characterization of Mesoporous silicon Ellipsoids

Jing Wang, Shaodian Shen, Dongsen Mao, Guanzhong Lu
Ellipsoidal silicon nanoparticles were prepared by using the mesoporous silica as raw materials via an magneisothermic reduction reaction with the temperature program control method, while the sample get the corresponding ellipsoidal shape of mesoporous silica. The properties of the ellipsoidal silicon...

Desorption and Diffusion Characteristics within Bituminous in the Presence of Moisture

Zhongping Cui
In order to investigate the effect of moisture on methane desorption and diffusion characteristics, a series of experimental measurements were performed on coal samples with different moisture contents. The experimental data was fitted and the mechanism that accounts for the reduction in desorption amount...

The thermoelectric properties of In2O3 thin films deposited by direct current magnetron sputtering

Fan Ye, Xiao-Qiang Su, Xing-Min Cai, Huan Wang, Zhuang-Hao Zheng, Guang-Xing Liang, Ping Fan, Dong-Ping Zhang, Jing-Ting Luo
In2O3 films were deposited on K9 glass by direct current magnetron sputtering with different oxygen partial pressure percentage. It is found that the films have a body-centered cubic structure, a relatively high transmission in the visible range and an optical band gap of around 3.75 eV. The conductivity...

Research on the preparation and mechanical properties of biomedical metallic materials

Yukun Wei, Haobo Zhang, Jijun Xiao, Yang Qiao
This paper summarized the preparation and mechanical properties of current biomedical metallic materials, which contained medical stainless steel, titanium based alloy, magnesium alloy. Preparation covered metal smelting, powder metallurgy and micro-arc oxidation technology. The mechanical properties...