基于有限元法分析焊接参数对其温度场的影响  

Analysis of effect of welding parameters on temperature field based on finite element method

作　　者：孙长青[1] 张洪才[2] 刘劲涛[1] 张陈[1] 张贺[1] 

机构地区：[1]沈阳工程学院机械工程系,辽宁沈阳110136 [2]长春装甲兵技术学院车辆工程系,吉林长春130117

出　　处：《焊接技术》2014年第3期16-18,5,共3页Welding Technology

基　　金：国家自然科学基金项目(51075398);辽宁省博士启动基金项目(20121063);沈阳工程学院博士启动项目(LGBS-1203)

摘　　要：利用有限单元法研究了平板堆焊时的焊接速度和高斯有效热源半径对其焊接温度场的影响。计算结果表明:焊接速度越快,平板在焊接过程中的最高温度越低;热源有效半径越小,平板在焊接过程中的最高温度越高,这一结论对焊接优化控制焊接工艺参数有着重要的指导意义。The effect of welding speed and Gauss effective heating radius on the temperature field of bead-on-plate welding was studied based on finite element method in the paper.The results showed that when the welding speed was higher,the maximum temperature of the plate in the process of welding would be lower,and that when the effective radius of heat source was smaller,the maximum temperature of the plate would be higher,which had an important guiding significance in optimizing and controlling of welding parameters.

关 键 词：有限单元法 焊接速度 热源半径 温度场 

分 类 号：TG455[金属学及工艺—焊接]