316L不锈钢焊接接头残余应力时效处理效果研究  

Study on the Impacts of Residual Stress Relief on 316L Stainless Steel Welded Joints

作　　者：刘永玲 潘强 LIU Yong-ling;PAN Qiang(Lanzhou Lanshi Group Lantuo Agricultural Equipment Co.,Ltd.,Lanzhou 730030,China;Lanzhou Lanshi Energy Equipment Engineering Research Institute Co.,Ltd.,Lanzhou 730030,China)

机构地区：[1]兰州兰石集团兰驼农业装备有限公司,甘肃兰州730030 [2]兰州兰石能源装备工程研究院有限公司,甘肃兰州730030

出　　处：《硫磷设计与粉体工程》2024年第3期37-40,I0002,共5页Sulphur Phosphorus & Bulk Materials Handling Related Engineering

摘　　要：316L奥氏体不锈钢处于腐蚀性介质中,因其焊接接头存在残余应力,易产生应力腐蚀裂纹,必须进行消应力处理。试验研究了不同时效处理方法对316L不锈钢焊接接头残余应力的影响,探索最佳消应力方法,为316L设备或管道的生产制造提供指导意见。When the 316L austenitic stainless steel is exposed to corrosive service,due to the residual stress in its welded joint,it is prone to stress cor-rosion cracking,and stress relief treatment shall be performed.The experiment studies the impacts of various stress relief methods on the residual stress of 316L stainless steel welded joints,examines the best stress relief method,and provides guidance for the manufacturing of 316L equipment or pipelines.

关 键 词：316L不锈钢 应力消除 热时效 振动时效 试验研究 

分 类 号：TG441.8[金属学及工艺—焊接]