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CO2 laser-micro plasma arc hybrid welding for galvanized steel sheets C. H. KIM, Y. N. AHN, J. H. KIM Advance Welding & Joining Research Group, Korea Institute of Industrial Technology... as an alternative method for the laser lap welding because the arc can preheat or post-heat the weldment according to the arrangement of the laser beam and the arc. CO2 laser-micro plasma hybrid welding was applied......
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J. Cent. South Univ. (2012) 19: 887-891 DOI: 10.1007/s11771-012-1088-0 Fabrication and plasma arc thermal shock resistance of HfB2-based ultra high temperature ceramics WENG Ling(翁凌)1, HAN Wen-bo(韩文波... and the thermal shock resistances were evaluated by plasma arc heater. The results indicate that the composite with AlN as sintering additive has a denser and finer microstructure than composite without......
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fiber laser welding process with AA2319 Al–Cu filler wire. The metallurgic morphology and distribution of the chemical compositions were determined using imaging techniques such as optical micrograph...Dendritic Boundary Corrosion of AA2198 Weld Using Fiber Laser Welding with Al–Cu Filler WireJun-Xia Lu,Ling Chang,Shi-Kai Wu,Shi-Kun YinInstitute of Laser Engineering, Beijing University......
welding spatter and gas cavity[1-4]. The characteristic of the process is that the welding wire and MIG arc are surrounded by thermal plasma arc which is propitious to control the transition of droplets and the heat from droplets to base metal[5-9]. Compared with the MIG welding on the aluminum alloys, the preheating effect of welding wire is enhanced by introducing plasma arc in the plasma-MIG......
and better economy. Plasma arc welding (PAW) with a positive polarity electrode and high welding current allows aluminium components to be joined economically with excellent weld quality[1... fabricated using gas tungsten arc welding (GTAW), electron beam welding (EBW) and friction stir welding (FSW) processes. The effects of three welding processes on the tensile, fatigue and corrosion......
Growth mechanism of Cu nanopowders prepared by anodic arc plasma
WEI Zhi-qiang(魏智强)1, 2, XIA Tian-dong(夏天东)2, MA Jun (马 军)1, DAI Jian-feng(戴剑锋)1,
FENG Wang-jun(冯旺军)1, WANG Qing (王 青)1, YAN Peng... and BET results.
Key words: anodic arc plasma; Cu nanopowders; nucleation; grain growth
harmful phase Al4C3 is effectively prevented in the weld by in-situ weld-alloying/plasma arc welding with Ti-Al alloy sheet filler whose titanium content is more than 20%. The fluidity of molten pool... features
Fig.3 shows the OM macrostructure of transverse section of welded joint by plasma arc in-situ weld-alloying welding on SiCp/6061Al MMC with Ti-60Al alloy sheet filler. No pores, fissures......Effect of Ti-Al on microstructures and mechanical properties of plasma arc in-situ welded joint of SiCp/Al MMCs
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来源: 《中国有色金属学报(英文版)2008年第4期》——雷玉成 张 振 聂加俊 陈希章
Optimization of filler metal during superalloy-stainless steel arc brazingFAN Chenglei,LIN Sanbao,YANG Chunli,and SONG Jianling State Kay Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China摘 要:According to the specification of superalloy-stainless steel arc brazing and characteristic of the base metal......