共搜索到7678条信息，每页显示10条信息，共768页。用时：0小时0分0秒453毫秒
welding methods have been studied to investigate the weldabilities of the Ti2AlNb alloys, including diffusion bonding [5,6], linear friction welding [7,8], laser beam welding(LBW) [9-12] and electron...Trans. Nonferrous Met. Soc. China 29(2019) 67-76 Effects of welding parameters on weld shape and residual stresses in electron beam welded Ti2AlNb alloy joints Yan-jun LI1,2, Ai-ping WU1,3,4, Quan......
号:TG 456.7 文献标识码:A Microstructure and properties of joints of wrought magnesium alloy AM60 plates welded by laser beam welding QUAN Ya-jie, CHEN Zhen-hua, LI Mei... welding, and the joint strength is up to 94% of the base metal. The fracture surface is characterized by mixture fracture. Key words: wrought magnesium alloy AM60; laser beam welding; microstructure......
of welded joints shows brittle fracture character. Key words: TC11 titanium alloy; laser beam welding; microstructure; mechanical property 钛及钛合金是极其重要的轻质合金材料,具有比强度高,抗腐蚀能力强,耐高温,低温性能好,无磁性等优良的性能,在航空,航天,车辆...激池功率对应的名义焊接热输入值 Table 1 Nominal welding heat input values corresponding to laser power at TC11 titanium alloy laser beam welding 采用金相显微镜和扫描电子显微镜对焊接接头不同区域进行微观组织观察,金相试样所用侵蚀液为Kroll试剂,即3%HF+7%HNO3......
2011 Abstract: Electron beam welding was carried out between aluminum alloy and steel with Ag interlayer. Seam morphology, structure and mechanical properties of the joints were investigated...: aluminum alloy; steel; Ag interlayer; non-centered electron beam welding; joint 1 Introduction Aluminum alloys are being more and more used in light weight structures thanks to low density, high......
beam by Al alloy were carried out by experiments. The studies showed that the proper processing of the top surface before welding can increase the absorption of laser energy by Al alloy, such as sand... of activating flux on welding process were studied. 2 Experimental The laser device was a high power transverse current CO2 laser oscillator with rated power of 5 kW, and outputs laser beam with 10.64 μm......
,Beijing University of Technology摘 要:Laser fusion brazing welding was proposed.Galvanized steel/AA6061 lapped joint was obtained by laser fusion brazing welding technique using the laser-induced aluminium molten pool spreading and wetting the solid steel surface.Wide joint interface was formed using the rectangular laser beam coupled with the synchronous......
synchronized laser beam welding with the homologous filler wire. The formation, microstructure and mechanical properties of welded joints as well as the correlations of each other were investigated... and stringer fractured at the BM with ductile fracture surfaces. Key words: Ti-6Al-4V alloy; double-sided laser beam welding; T-joint; high-speed photography; microstructure; mechanical property 1......
of laser beam welded TC4/TA15 dissimilar titanium alloy joints under different welding parameters were studied. The results show that the weld fusion zone of TC4/TA15 dissimilar welded joints... occurs during the tensile tests and the fracture characteristics are typical when ductility is present in the material. Key words: laser beam welding; TC4/TA15 dissimilar joint; microstructure, high......
FEM SIMULATION FOR LASER FORMING PROCESSING Y.B.Chen1,S.Y.Lin2,X.Y.Wang2,L.Q.Li1 (1.State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;2.Harbin Research Institute of Welding, Harbin 150001, China) Abstract:Laser forming involves heating sheet metal workpiece along a certain path with a defocused laser beam directed irradiate......
distribution in brazing process is possible, which may improve the brazing quality and extend welding conditions[13-15]. In this study, a CO2 laser beam is formed into circular individual beam spot, dual... that there is no obvious interface layer with the circular individual beam heating and lamellar Fe-Si intermetallic compound layer is found with dual-beam laser spot heating. With the irradiation of rectangular laser......
