超薄层0Cr18Ni9/20g复合钢板的焊接工艺及接头组织
Welding Technology and Welded Joint Microstructure of 0Cr18Ni9/20 g Clad Steel Sheet with Super-thin Composite Layer
摘 要
采用H1Cr24Ni13型奥氏体不锈钢焊丝和钨极氩弧焊(TIG)方法对不锈钢覆层厚度为0.5 mm的0Cr18Ni9/20 g异种钢复合钢板进行了对接焊,并应用光学显微镜、能谱(EDS)、线扫描以及扫描电镜等方法对焊接接头组织进行了研究.结果表明：用TIG方法及相应的工艺参数焊接0Cr18Ni9/20 g复合钢板,可以保证覆层金属具有所需的成分和组织.
焊接接头
钨极氩弧焊
奥氏体不锈钢
clad steel sheet
welded joint
tungsten inert gas arc welding
austenitic stainless steel
Abstract
Welded joint of 0Cr18Ni9/20 g dissimilar clad sheet steel with 0.5 mm composite layer of stainless steel was prepared by the use of tungsten inert gas arc welding(TIG)processing and type H1Cr24Ni13 austenitic stainless steel welding wire.Studies on the welded joint were made by means of optical metaloscopy,energy dispersive spectrum (EDS) and SEM analysis.The results indicate that the welded joint of 0Cr18Ni9/20 g clad sheet steel can meet the demands for tensile strength and corrosion-resistance properties in practical service by the use of TIG welding processing and corresponding welding parameters.
中图分类号 TG441.4
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引用该论文: WANG Neng-li,ZHANG Xi-yan,PAN Xi-de,XUE Jin. Welding Technology and Welded Joint Microstructure of 0Cr18Ni9/20 g Clad Steel Sheet with Super-thin Composite Layer[J]. Materials for mechancial engineering, 2007, 31(11): 55～57
王能利,张希艳,潘希德,薛锦. 超薄层0Cr18Ni9/20g复合钢板的焊接工艺及接头组织[J]. 机械工程材料, 2007, 31(11): 55～57
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参考文献
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【2】Boothby R M.Solidification and transformation behaviour of niobium-stabilized austenitic stainless weld metal[J].Materials Science and Technology,1986,2(1):78-79.
【3】Luo W.The corrosion resistance of 0Cr19Ni9 stainless steel arc welding joints with and without arc surface melting[J].Materials Science and Engineering,2003,A345:2-3.
【4】Suutala N.Effect of solidification conditions on the solidification mode in austenitic stainless steels[J].Metallurgical Transactions A,1983,14A(2):191-192.
【5】Folkhard E.Welding metallurgy of stainless steel[M].Vien:Springer-Verlag,1988:125-143.
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