1Cr17Mn6Ni5N与Q235异种钢焊接接头组织分析  

Microstructure analysis of 1Cr17Mn6Ni5N and Q235 heterogeneous steel welded joint

作　　者：卢金斌[1] 王志新[1] 陈建泰[1] 

机构地区：[1]中原工学院材料与化学工程系,河南郑州450007

出　　处：《焊接技术》2008年第2期15-17,共3页Welding Technology

基　　金：江苏省自然科学基金资助项目(BK2004117)

摘　　要：采用等离子弧对珠光体钢(Q235)与奥氏体钢(1Cr17Mn6Ni5N)进行焊接,并对焊接工艺进行了优化。采用金相、扫描电镜对焊接接头的组织进行了分析,利用显微硬度计对焊接接头进行了显微硬度的测试,最后对焊缝断口形貌进行了观察分析。结果表明:珠光体钢与奥氏体钢的焊接区形成了板条状马氏体,在焊缝两侧产生了碳的迁移。The pearlitic steel Q235 and the austenite steel 1Cr17Mn6Ni5N were welded by the plasma arc welding. By optical microscopy and scanning electron microscopy, the microstructure of joint was observed, and its micro-hardness was tested with micro-hardness testing. Finally, the weld fracture was observed. The results showed that the welding zone between pearlite steel and austenitic steel formed the martensite and the carbon migration was found at the two sides of joint.

关 键 词：奥氏体不锈钢 Δ-铁素体 焊缝组织 

分 类 号：TG457.1[金属学及工艺—焊接]