基于组合热源的X70管线焊接应力变形数值分析  

Analysis on Stress and Deformation Numerical Simulation of X70 Pipeline Welding Based on Combined Heat Source

作　　者：张锦洲[1,2] 熊禾根[1] 杨雄[2] 

机构地区：[1]长江大学机械工程学院,湖北荆州434023 [2]武汉科技大学冶金装备及其控制教育部重点实验室,湖北武汉430081

出　　处：《热加工工艺》2012年第11期196-198,共3页Hot Working Technology

基　　金：国家“十二五”科技支撑计划课题(2011BAB05B02)

摘　　要：采用SYSWELD模拟软件对X70管线焊接进行数值模拟,建立了体积组合热源分析模型,确定热物理参数变化规律,模拟计算出焊缝区焊接应力变形的分布规律,求得应力变形最危险位置,为探索管线焊接规律提供了有益的帮助。Using SYSWELD simulation software to simulate the welding of X70 pipeline,the model of volumetric heat source was established,the variation of thermal physical parameters was determined,and the distribution law of stress and deformation in the weld zone was determined,and then the most dangerous position was obtained,which can provide an useful help to explore the laws of pipeline welding.

关 键 词：组合热源 应力 变形 数值分析 

分 类 号：TG404[金属学及工艺—焊接]