杨文平,闫志峰,王文先,王志斌,张心保

• 1:太原理工大学材料科学与工程学院
• 2:山西太钢不锈钢股份有限公司

摘要(Abstract)：

针对铁素体不锈钢焊接接头晶粒粗大的特征,采用钨极氩弧焊随焊冷却方法对443铁素体不锈钢进行焊接,分析其焊接接头组织性能,并与自然冷却条件下焊接接头的组织性能进行了对比。研究结果表明,采用随焊冷却的方法细化了焊接接头热影响区的晶粒,提高了焊接接头力学性能,特别是冲击性能得到较大提高。晶间腐蚀试验表明443不锈钢焊接接头有良好的耐晶间腐蚀性能;探讨了随焊冷却方法改善焊接接头组织性能的影响因素和机理。

关键词(KeyWords)： 铁素体不锈钢;随焊冷却;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 大学生创新实验项目(110148088)

作者(Author): 杨文平,闫志峰,王文先,王志斌,张心保

DOI: 10.13289/j.issn.1009-6264.2012.10.019

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