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THE INTERFACIAL BEHAVIORS OF ALUMINUM MATRIX COMPOSITE IN DIFFERENT WELDING METHODS G.T.Zhou1,J.T.Niu1,W.Guo1,M.Z.Wang1,J.F.Zhai1 (1.State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology (HIT) Abstract:Non-interlayer liquid phase diffusion welding (China Patent) and laser welding methods for aluminum matrix composite are mainly described in this paper......
碳化硼薄膜的电子束蒸发制备及表面分析 卢铁城1,廖志君1,伍登学1,范强1,刘振良1,杨水长1 (1.四川大学,技术教育部重点实验室,四川,成都,610064;2.中科院国际材料物理中心,辽宁,沈阳,110015) 摘要:采用电子束蒸发技术制备碳化硼薄膜,利用X射线衍射(XRD)分析了薄膜的结构,测量了薄膜的X射线光电子能谱(XPS),并利用原子力显微镜(AFM)对薄膜进行表面分析.XRD结果表明:薄膜的结晶性随着衬底温度的升高逐渐转好,在较低的衬底温度下制备出多晶碳化硼薄膜.XPS分析得到了碳化硼薄膜表面的化学成分和结构特性,其主要成分为B_4C.AFM结果表明,薄膜表面光滑平整,均匀致密,随着衬底温度的升高薄膜均方根(RMS)粗糙度逐渐增大. 关键词:电子束蒸发; 碳化硼薄膜; XRD; XPS; electron beam evaporation; boron......
. Microstructure transformation and crack sensitivity of WC-Co/steel joint welded by electron beam [J]. Vacuum, 2017, 139: 26-32. [35] KURLOV A S, GUSEV A I. Tungsten carbides and W-C phase diagram [J]. Inorganic... of tungsten carbides (Stelcar 65 composite coatings) were synthesized by plasma transferred arc (PTA) hardfacing. The welding parameters of Stelcar 65 composite coatings were optimized by orthogonal......
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Technology, 2003(143/144): 846-850. [12] NIU Ji-tai, ZHANG De-ku, JI Guo-juan. Effect of pulse parameters on microstructure of joint in laser beam welding for SiCp/6063 composite [J]. Trans Nonferrous... In-situ weld-alloying plasma arc welding of SiCp/Al MMC LEI Yu-cheng(雷玉成), YUAN Wei-jin(袁为进), CHEN Xi-zhang(陈希章), ZHU Fei(朱 飞), CHENG Xiao-nong(程晓农) School of Materials Science and Engineering......
, Beijing 100088, China) Abstract: Through adding enough defective material, TC4 titanium alloy slab ingot was produced by using single electron beam cold hearth melting (EBCHM), then, a sheet... to manufacture sheet can not only save prime cost of raw material, but also shorten processing procedure, so that remarkably reduce the manufacture cost. Key words: TC4 titanium alloy; electron beam cold......
熔炼；TC4钛合金；温度场；模拟 中图分类号:TG294 文献标志码:A Temperature field simulation of electron beam cold hearth melting TC4 alloy LUO Lei1, 2, MAO Xiao-nan2, LEI Wen-guang2, YU Lan-lan2... Metal Research, Xi’an 710016, China) Abstract: From ANSYS simulation, electron beam cold hearth melting process of TC4 titanium alloy was studied. The results show that after the melt trickles from......
工程, 2014, 1(1): 28-34. LUO Lei, MAO Xiao-nan, YANG Guan-jun. Research on composition uniformity of TC4 alloys during electron beam cold hearth melting[J]. Metallurgical Engineering, 2014, 1(1): 28-34. [2] SAKAMOTO K, YOSHIKAWA K, KUSAMICHI T, ONOYE T. Changes in oxygen contents of titanium aluminides by vacuum induction, cold crucible induction and electron beam melting[J]. ISIJ International......
of Technology, Lanzhou 730050, China Received 28 July 2006; accepted 15 September 2006 Abstract: CO2 laser beam welding of aluminum alloys with different thicknesses was carried out. The influences...]. Tailored welded aluminum alloy blanks are in great demand. Laser beam welding has several advantages over other welding processes. Some difficulties are encountered during laser welding of aluminum alloys......
Microstructure and mechanical properties of the welding joint filled with microalloying 5183 aluminum welding wiresZhen Xu,Zhi-hao Zhao,Gao-song Wang,Chao Zhang,Jian-zhong CuiThe Key Laboratory... in thickness were welded by tungsten inert gas welding using microalloying welding wires containing traces of Zr and Er. The influence of rare earth elements Zr and Er on the microstructure......
