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《Journal of Dalian Jiaotong University》 2008-06
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Investigation of Intense Cooling Technology Following TIG Dressing

ZHU Ping,GUO Chang-hong,SHI Chun-yuan,DING Cheng-gang,JIAO Jian-qiang(School of Materials Science and Engineering,Dalian Jiaotong University,Dalian 116028,China)  
Residue stresses of weld toe of butt joints as weld,TIG dressing and following intense cooling treatment were measured respectively by hole drilling method.The microstructures and mechanical properties of the welded joints were also investigated.The results indicate that the residue tensile stress in the weld toe was transformed into compressive stress after intense cooling treatment on the surface of TIG dressed region at 550℃,and that no brittleness occurs in the TIG-dressed zones,and mechanical properties of the welded joints fulfill technological requirements.
【CateGory Index】: TG441.8
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Chinese Journal Full-text Database 2 Hits
1 Hou Tao Zhu Ping Shi Chun-yuan(Oalian Jiaotong University,Dalian Liaoning 116028);FEA of the residual stress field of TIG remelted layer at weld toe after chilling treatment[J];Locomotive & Rolling Stock Technology;2008-01
2 WANG Wei1,2,ZHU Lin2,HU Ping2,SHAN Yi-yin2,YANG Ke2(1.Electric Power Research Institute of Guangdong Power Grid Corporation,Guangzhou Guangdong 510080,China;2.Institute of Metal Research,Chinese Academy of Sciences,Shenyang Liaoning 110016,China);Effect of heat treatment on mechanical properties of 51CrV4 spring steel for high-speed trains[J];Heat Treatment of Metals;2010-02
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