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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...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......
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on TIG fusion zone geometry[J]. Welding Journal, 1982, 61(4): 97s-102s. [7]LU Shan-ping, Fujii H, Sugiyama H, et al. Mechanism and optimization of oxide fluxes for deep penetration in gas tungsten arc... alloys when they are welded by argon tungsten arc process[J]. Automatic Welding, 1965, 18(9): 1-5. [2]Lucas W, Howse D. Activating flux-increasing the performance and productivity of the TIG and plasma......
STUDY ON THE TRANSPORT MECHANISM IN THE ANODE BOUNDARY LAYER OF WELDING ARGON ARC J.Q.Gao1,C.S.Wu1 (1.Institute of Materials Joining, Shandong University, J inan 250061, China) Abstract:The anode region of welding arc is divided into three subzones: the anode boundary layer, the presheath and the sheath. A model is established for analyzing the transport mechanisms in the anode boundary layer......
transformation temperature(LTT) welding filler was devised in the present study. The LTT weld microstructures of the tungsten inert gas(TIG) and metal active gas(MAG) weldings were investigated by using...Comparison of Microstructure and Residual Stress Between TIG and MAG Welding Using Low Transformation Temperature Welding FillerZhong-Yuan Feng1,2,Xin-Jie Di1,2,Shi-Pin Wu1,2,Dong-Po Wang1,2,Xiao......
of TiC-TiB2 mainly focus on composites, and there are few coatings. Argon arc cladding (AAC) is a new method for fabricating composition, which uses tungsten inert gas welding(TIG). Compared with those... composites or surface alloying[16-17]. WANG et al[17] investigated the multi-pass overlapping gas tungsten arc welding (GTAW) with graphite and ferrotitanium (Fe, Ti) on AISI 1020 steel, and the composite......
of Nonferrous Metals, 2005, 15(6): 912-916. (in Chinese) [3] HOWSE D S, LUCAS W. Investigation into arc constriction by active fluxes for tungsten inert gas welding [J]. Science and Technology...-morphology, microstructure and mechanical properties of tungsten inert gas (TIG) welded AZ31 magnesium alloy joints with TiO2 coating were investigated. The results showed that the increase of welding......
(AISI 304L)and a ferritic carbon steel(St37)were conducted by tungsten inert gas(TIG)welding process using four diferent austenitic filler metals,namely ER308L,ER309L,ER316L and ER310.Microstructure...Dissimilar Joining of AISI 304L/St37 Steels by TIG Welding ProcessA.R.Khalifeh1,A.Dehghan1,E.Hajjari21. Department of Materials Science and Engineering,School of Engineering,Shiraz University2......
Development of mathematical model with a genetic algorithm for automatic arc welding processD.T.Thao,I.S.Kim,J.W.Jeong,J.H.Lee,J.Y.Shim,H.H.KimDepartment of Mechanical Engineering, Mokpo National University摘 要:This paper is to represent new algorithms to predict process parameters on top-bead width in robotic gas metal arc(GMA) welding process.The......
Technology,Harbin Institute of Technology, Harbin 150001, China)Abstract:The effect of additive YF3 on weld microstructure and mechanical performance of titanium alloy TC4 in Activating Tungsten Inert Gas (A-TIG) welding was experimentally investigated. The results show that the weld grains of titanium alloy were refined after introducing the YF3 into the weld in A-TIG welding. This would achieve......
