EH36钢气电立焊热影响区温度场模拟  

Temperature field simulation of heat affected zone in gas-electric vertical welding of EH36 steel

作　　者：吴志洋 于浩 李维娟[1] 王树国 边首缘 刘畅 WU Zhiyang;YU Hao;LI Weijuan;WANG Shuguo;BIAN Shouyuan;LIU Chang(School of Materials and Metallurgy,University of Science and Technology Liaoning,Anshan 114051,China;Minmetals Yingkou Medium Plate Co.,Ltd,Yingkou 115005,China)

机构地区：[1]辽宁科技大学材料与冶金学院,辽宁鞍山114051 [2]五矿营口中板有限责任公司,辽宁营口115005

出　　处：《辽宁科技大学学报》2021年第6期413-418,共6页Journal of University of Science and Technology Liaoning

基　　金：辽宁省科学技术计划(2019JH1/10100014)。

摘　　要：通过有限元模拟软件计算36 mm厚EH36钢气电立焊焊接接头温度场,获得热影响区的热循环曲线。依据该曲线进行焊接热模拟实验,对试样进行显微组织观察和-40℃低温冲击测试。实验结果与模拟计算结果吻合良好,表明用有限元方法能准确模拟EH36钢气电立焊热影响区的温度变化过程。In this paper,the temperature field in weld joint of 36 mm thick EH36 steel by gas-electric vertical welding was calculated by finite element simulation software,and the thermal cycle curve of the heat affected zone was obtained.According to the curve,the welding thermal simulation experiment was carried out,the microstructure of the sample was observed,and the low temperature impact test at-40℃was carried out.The experimental results are in good agreement with the simulation results,indicating that the finite element meth-od can accurately simulate the temperature change process in the heat affected zone of EH36 steel.

关 键 词：气电立焊 热影响区 温度场 热循环曲线 有限元模拟 

分 类 号：TG402[金属学及工艺—焊接]