压力容器2017，Vol.34Issue(7)：5-10,6.DOI:10.3969/j.issn.1001-4837.2017.07.002
焊后热处理对309L不锈钢焊缝金属性能的影响
Influence of Post-Weld Heat Treatment on Mechanical Properties in 309L Stainless Steel Weld Metals
顾佳磊 1张文杨 2丁阳1
作者信息
- 1. 上海电气核电设备有限公司,上海201306
- 2. 上海核电装备焊接及检测工程技术研究中心,上海201306
- 折叠
摘要
Abstract
The effects of post-weld heat treatment(PWHT) on the mechanical properties and microstructure in 309L weld metals were studied.The results show that:The heat preservation time of PWHT has great influence on the mechanical properties of 309L weld metals,especially for toughness and ductility;The content of σ phase in the microstructure increases with the increasing of the heat preservation time after heat treatment;Under this experiment condition,PWHT within 24 hours has no obvious effect on the elongation of the tensile test in 309L weld metals.关键词
309L焊缝金属/焊后热处理/σ相Key words
309 L weld metals/post-weld heat treatment (PWHT)/σ phase分类
机械制造引用本文复制引用
顾佳磊,张文杨,丁阳..焊后热处理对309L不锈钢焊缝金属性能的影响[J].压力容器,2017,34(7):5-10,6.
