陈文革,何建祥,谢小彬,张辉

• 1:西安理工大学材料科学与工程学院
• 2:西安三瑞科技有限公司

摘要(Abstract)：

研究了高温时效前后的310S不锈钢焊接样品在燃煤气氛下的碳硫影响。利用金相、扫描电镜/能谱、X射线衍射及力学性能测试等分析其形貌、成分结构及性能。结果表明,经不同温度、不同时间在燃煤气氛下时效处理的310S不锈钢比未时效处理者腐蚀严重,310S不锈钢在高于700℃时效后在晶界大量析出σ相,使晶界附近贫Cr,降低了其抗腐蚀性能,同时晶粒长大,冲击韧性明显降低,而且断裂方式也由微孔聚合型断裂转变为典型的解理断裂。

关键词(KeyWords)： 310S不锈钢;高温时效;焊接;碳硫腐蚀

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 陈文革,何建祥,谢小彬,张辉

DOI: 10.13289/j.issn.1009-6264.2013.04.020

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