基于固有应变法低温钢对接多道焊焊接变形的研究  

Research on Butt Multi-pass Welding Deformation of Low-temperature Steel Based on Inherent Strain Method

作　　者：郭祥[1] 王璐达[2] 顾福明[3] 曹志明[3] 

机构地区：[1]上海交通大学材料科学与工程学院,上海200240 [2]上海锅炉厂有限公司,上海200245 [3]上海市特种设备监督检验技术研究院,上海200062

出　　处：《热加工工艺》2010年第23期1-3,共3页Hot Working Technology

基　　金：国家自然科学基金资助项目(50975176)

摘　　要：采用固有应变法计算SA203D低温钢平板多道焊焊后的变形分布,预测了焊接横向变形和角变形,并在此基础上计算了不同厚度筒体对接焊的变形情况,为SA203D钢焊接结构的制备和焊接工艺的优化提供了重要的参考依据。The deformation distribution of SA203D steel after multi-pass welding was calculated by inherent strain method,the lateral deformation and angular distortion of welding was predicted and the butt welding deformations of SA203D cylinder with different thickness was calculated.All of above provide important evidences for the optimization of welding process and structure of SA203D steel.

关 键 词：对接焊 多道焊 固有应变法 焊接变形 

分 类 号：TG404[金属学及工艺—焊接]