共搜索到17104条信息，每页显示10条信息，共1711页。用时：0小时0分2秒104毫秒
HIGH-CURRENT PULSED ELECTRON BEAM: RAPID SURFACE ALLOYING AND WEAR RESISTANCE IMPROVEMENT C.Dong1,A.M.Zhang2,S.Z.Hao1,A.M.Wu1,T.Xu2,Z.R.Zhou3,H.W.Liu3,J.Xu3 (1.State Key Lab. for Materials... by the bombardment of high-current pulsed electron beam. Two kinds of substrate materials were examined to show this effect. The first sample was a pure Al metal pre-coated with fine carbon powders prior......
, KIM S W, YOON E P. Electron beam welding characteristics of high strength aluminium alloys for express train applications [J]. Science and Technology of Welding and Joining, 2000, 5(5): 277-283. [4...J. Cent. South Univ. Technol. (2010) 17: 666-673 DOI: 10.1007/s11771-010-0538-9 Effect of strain hardening and strain softening on welding distortion and residual stress of A7N01-T4 aluminum alloy......
Effects of laser beam welding parameters on mechanical properties and microstructure of AZ31B magnesium alloy G. PADMANABAN, V. BALASUBRAMANIAN Center for Materials Joining & Research, Department of Manufacturing Engineering, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India Received 18 October 2010; accepted 31 December 2010 Abstract: The effects of laser beam welding......
Surface Configuration of Be Irradiated by Intense Electron Beam钱蓉晖摘 要:ＳｕｒｆａｃｅＣｏｎｆｉｇｕｒａｔｉｏｎｏｆＢｅＩｒａｄｉａｔｅｄｂｙＩｎｔｅｎｓｅＥｌｅｃｔｒｏｎＢｅａｍＱｉａｎＲＨ,ＤｕｗｅＲ,ＬｉｎｋｅＪ,ＲｏｄｉｇＭａｎｄＳｃｈｕｓｔｅｒＡ(钱蓉晖)ＦｏｒｓｃｈｕｎｇｓｚｅｎｔｒｕｍＪｕｅｌｉｃｈ,Ｅｕ...关键词:......
Trans. Nonferrous Met. Soc. China 24(2014) 108-114 Influences of different filler metals on electron beam welding of titanium alloy to stainless steel Ting WANG1,2, Bing-gang ZHANG1, Ji-cai FENG1,2 1... Institute of Technology, Harbin 150001, China Received 3 December 2012; accepted 13 April 2013 Abstract: Electron beam welding experiments of titanium alloy to stainless steel were carried out......
Trans. Nonferrous Met. Soc. China 27(2017) 1319-1326 Numerical analysis of thermal fluid transport behavior during electron beam welding of 2219 aluminum alloy plate Cheng-cai LIU, Jing-shan HE State... based on volume-of-fluid method is proposed to investigate the heat transfer, fluid flow and keyhole dynamics during electron beam welding (EBW) on 20 mm-thick 2219 aluminum alloy plate. In the model......
TC4钛合金焊接接头组织不均匀性与疲劳性能 肖建中1,籍龙波1,刘昕2,王亚军2,李清华1,胡树兵1,李行志1 (1.华中科技大学,材料成形与模具技术国家重点实验室,武汉,430074;2.北京航空制造工程研究所,北京,100024) 摘要:对TC4钛合金电子束焊接四种典型熔凝区形状(钉形,漏斗形,楔形和钟罩形)焊接接头的微观组织进行了观察分析,并采用多晶局域梯度模型表征焊缝组织不均匀性,通过疲劳实验,建立焊接接头的组织不均匀性和疲劳性能的关系.结果表明:焊缝上端纵向柱状晶长度尺寸梯度变化较大的楔形形貌焊接接头疲劳寿命较低,梯度变化较小的钟罩形焊缝形貌接头疲劳寿命较高;疲劳裂纹多萌生于横向区域硬度梯度变化较大的热影响区和熔合线区域. 关键词:TC4钛合金; 电子束焊接; 多晶局域梯度模型; 疲劳; TC4 alloy; electron beam welding; local......
；数值模拟；小孔法；残余应力 中图分类号:TG 456.3 文献标识码:A Numerical simulation for electron beam welding of 12 mm-thickness titanium alloy plate HU Mei-juan, LIU Jin-he (School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China) Abstract: A three dimensional finite element model used for calculating electron beam welding temperature......
: microstructure inhomogeneity; strain localization; electron beam welding; titanium alloy; finite element analysis 1 Introduction As a kind of key structural material, titanium alloys are widely used in aviation and aerospace industries due to their excellent mechanical and physical properties [1-3]. Electron beam welding (EBW) is a promising method to join the titanium alloy because of high energy......
......
