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Surface treatment of 0.20% C carbon steel by high-current pulsed electron beam XU Guo-cheng(徐国成)1, FU Shi-you(付石友)2, GUAN Qing-feng(关庆丰)1 1. Key Laboratory of Automobile Materials, Ministry... Received 20 April 2006; accepted 30 June 2006 Abstract: A high-current pulsed electron beam(HCPEB) generated on the system of Nadezhda-2 was applied to improve the microstructure and performance......
Impedance Spectroscopy of Ion Beam Mixed Cu/BaTiO3PTCR Ceramics雷家珩摘 要:The positive temperature coefficient resistance ( PTCR) barium titanate ceramic... deposited on the ceramic substrates have been mixed at room temperature with argon ions in energy of 400 keV. Ion beam mixing induced modification of PTCR behavior of the ceramics was studied by using......
Preparation of YBa2Cu3O7-x Superconductor Film by Ion Beam Sputtering胡倾宇,闻立时,乔桂文,庄育智摘 要:<正> Since the discovery of high Tc super-conductor, much... for mi-croelectronic application are preparedby PVD method, such as electron beamevaporation, pulsed laser evaporation andmagnetron sputtering. In this paper, thepreliminary results of ion beam......
Surface modification of Al-Pb alloy by high current pulsed electron beam LU You(陆 有), LI Shi-long(李世龙), AN Jian(安 健), LIU Yong-bing(刘勇兵) Key Laboratory of Automobile Materials, Ministry... current pulsed electron beam and the microstructure, hardness and tribological characteristics were characterized by scanning electron microscopy, electronic microanalysis probe microanalysis, Knoop......
23Co14Ni12Cr3Mo were studied by stress corrosion cracking (SCC) test method using double cantilever beam (DCB) specimens. The SCC morphology was observed by using scanning electron microscopy (SEM......
Numerical simulation of thermal-mechanical process of Al-Si-Pb alloy treated by high current pulsed electron beam L? Xiao-xia(吕晓霞), LI Rong-guang(李荣广), AN Jian(安 健) Key Laboratory... irradiated by high current electron beam (HCPEB) reveals three distinct regions: a molten zone, an overlapped zone of heat-affected and quasistatic thermal stress-affected zone, and a transition zone......
Microstructure and Mechanical Properties of Electron Beam Welded Alloy J75Shenghu Chen1,Mingjiu Zhao1,Hao Liang2,Lijian Rong11. Institute of Metal Research,Chinese Academy of Sciences2. Institute of System Engineering,China Academy of Engineering and Physics摘 要:Microstructure and mechanical properties of electron beam welded alloy J75 were studied under......
Improved Corrosion Resistance of Magnesium Alloys AZ31 and AZ91HP by High Current Pulsed Electron Beam Treatment ZHOU Ji-yang1,DONG Chuang2,GAO Bo1,HAO Sheng- zhi2 (1.Department of material... treatment of magnesium alloys AZ31 and AZ91HP by a high current pulsed electron beam (HCPEB)was investigated in the present paper. The corrosion resistance of treated samples was tested in a 5% (wt......
碳纤维增强复合材料层间断裂韧度谢宗蕻,蔡书杰,郭奇,李想西北工业大学航天学院摘 要:采用双悬臂梁(double cantilever beam,DCB)和端部缺口弯曲(end notch bending,ENF)实验方法,对T300/CYCOM 970复合材料的Ⅰ型和Ⅱ型层间断裂韧度进行研究.通过体式显微镜及CCD摄像机对裂纹尖端位置做连续记录,观察损伤起始和演变,并对观察到的基体开裂,分层扩展等现象进行分析,研究层间断裂的特点,计算得出材料Ⅰ型断裂韧度GIC和Ⅱ型层间断裂韧度GⅡC,并通过实验对比分析热压罐固化和热补仪固化对复合材料断裂韧度的影响.结果表明:Ⅰ型断裂韧度实验中产生的裂纹扩展过程并不非常稳定,载荷随着位移以及裂纹长度的增加出现上下波动;Ⅱ型断裂韧度实验中产生的裂纹最初随着位移增加并不扩......
composite automotive bumper beam using analytical hierarchy process A. HAMBALI1, S. M. SAPUAN1, N. ISMAIL1, Y. NUKMAN2 1. Department of Mechanical and Manufacturing Engineering, Universiti Putra... for suitability of use in manufacturing automotive bumper beam was determined by considering eight main selection factors and 12 sub-factors. The AHP analysis reveals that the glass fibre epoxy......
