焊接顺序对6061-T6铝合金矩形焊缝焊接残余应力及变形量的影响
Effect of Welding Sequence on Residual Stress and Deformation of 6061-T6 Aluminum Alloy Rectangular Weld Seam
摘 要
以热弹塑性有限元法为基础, 结合热-力耦合的算法建立有限元模型, 采用Abaqus软件对薄壁6061-T6铝合金矩形型材进行焊接模拟; 模拟了不同焊接顺序对铝合金型材残余应力及焊接变形量的影响, 得到了最优的焊接顺序。结果表明: 在矩形焊接时焊缝所在平面上产生的最大残余应力为拉应力; 选择对称焊接工艺可以有效降低铝合金型材焊接后的残余应力, 增强焊件的焊后稳定性; 从较长的焊接路径开始焊接, 能够减小焊接变形量。
有限元
焊接顺序
焊接变形量
aluminum alloy
finite element
welding sequence
welding deformation
Abstract
A finite element model was built on the basis of elastic-plastic finite element method combining with thermo-mechannical coupling algorithm, and the software Abaqus was used to simulate the welding of thin-walled 6061-T6 aluminum alloy sections. The effect of different welding sequences on residual stress and welding deformation of the aluminum alloy sections was simulated and the optimal welding sequence was gained. The results show that the maximum residual stress on the weld seam plane was tensile stress after rectangular welding. Symmetry welding could reduce the residual stress of the aluminum alloy sections after welding and enhance the stability of the weldment after welding. Welding starting from a longer path could reduce the welding deformation.
中图分类号 TG404 TG146.2
所属栏目 物理模拟与数值模拟
基金项目
收稿日期 2011/7/25
修改稿日期 2012/3/15
网络出版日期
作者单位点击查看
备注李灿(1985-), 男, 河南驻马店人, 硕士研究生。
引用该论文: LI Can,FU Ding-fa,WANG Guan,XIANG Dong,LI Luo-xing. Effect of Welding Sequence on Residual Stress and Deformation of 6061-T6 Aluminum Alloy Rectangular Weld Seam[J]. Materials for mechancial engineering, 2012, 36(7): 88～92
李灿,傅定发,王冠,向东,李落星. 焊接顺序对6061-T6铝合金矩形焊缝焊接残余应力及变形量的影响[J]. 机械工程材料, 2012, 36(7): 88～92
被引情况:
【1】姬丽森,凌泽民,何 建, "Inconel 625镍基合金管道焊接残余应力的数值模拟",机械工程材料 39, 67-70(2015)
【2】李忠杰, "SA213-T92钢焊管残余应力的高温松弛行为",机械工程材料 38, 53-56(2014)
【3】张华,周广涛,王霏, "健身自行车架焊接顺序优化的数值模拟",机械工程材料 40, 38-42(2016)
【4】杨晓锋,刘川,李佳伟,叶坤,王辉煌,王钱浦, "基于本征应变重构技术构造搅拌摩擦焊接铝合金薄板接头的残余应力场",机械工程材料 37, 96-100(2013)
共有人对该论文发表了看法，其中：
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
参考文献
【1】黄旺福, 黄金刚. 铝及铝合金焊接指南[M].长沙:湖南科学技术出版社, 2004:56-61.
【2】LIU C, ZHANG J X, XUE C B.Numerical investigation on residual stress distribution and evolution during multipass narrow gap welding of thick-walled stainless steel pipes[J].Fusion Engineering and Design, 2011, 86:288-295.
【3】王宗茂, 王建平, 吴飞.6061铝合金焊接变形的数值分析[J].山东机械, 2004(6):36-38.
【4】丁振斌, 贾晓丹, 刘土光. 焊接顺序对船体分段的焊接变形影响[J].中国造船, 2010, 51(增1):81-85.
【5】GANNON L, LIU Y, PEGG N, et al. Effect of welding sequence on residual stress and distortion in flat-bar stiffened plates[J].Marine Structures, 2010, 23:385-404.
【6】SATTARI-FAR I, JAVADI Y.Influence of welding sequence on welding distortions in pipes[J].International Journal of Pressure Vessels and Piping, 2008, 85:265-274.
【7】JI S D, FANG H Y, LIU X S, et al.Influence of a welding sequence on the welding residual stress of a thick plate[J].Modeling and Simulation in Materials Science and Engineering, 2005, 13:553-565.
【8】TSO-LIANG T, PENG-HSIANG C, WEN-CHEN T.Effect of welding sequences on residual stresses[J].Computers and Structures, 2003, 81:273-286.
【9】武传松.焊接热过程与熔池形态[M].北京:机械工业出版社, 2007:22-27.
【10】张利国, 姬书得, 方洪渊, 等.焊接顺序对T形接头焊接残余应力场的影响[J].机械工程学报, 2007, 43(2):234-238.
【11】陈贺静.搅拌摩擦焊残余应力和失稳变形数值模拟预测方法研究[D].天津:天津大学, 2007.
【12】黄振华.船体型材对接焊的焊接顺序优化研究[D].大连:大连理工大学, 2009.
【2】LIU C, ZHANG J X, XUE C B.Numerical investigation on residual stress distribution and evolution during multipass narrow gap welding of thick-walled stainless steel pipes[J].Fusion Engineering and Design, 2011, 86:288-295.
【3】王宗茂, 王建平, 吴飞.6061铝合金焊接变形的数值分析[J].山东机械, 2004(6):36-38.
【4】丁振斌, 贾晓丹, 刘土光. 焊接顺序对船体分段的焊接变形影响[J].中国造船, 2010, 51(增1):81-85.
【5】GANNON L, LIU Y, PEGG N, et al. Effect of welding sequence on residual stress and distortion in flat-bar stiffened plates[J].Marine Structures, 2010, 23:385-404.
【6】SATTARI-FAR I, JAVADI Y.Influence of welding sequence on welding distortions in pipes[J].International Journal of Pressure Vessels and Piping, 2008, 85:265-274.
【7】JI S D, FANG H Y, LIU X S, et al.Influence of a welding sequence on the welding residual stress of a thick plate[J].Modeling and Simulation in Materials Science and Engineering, 2005, 13:553-565.
【8】TSO-LIANG T, PENG-HSIANG C, WEN-CHEN T.Effect of welding sequences on residual stresses[J].Computers and Structures, 2003, 81:273-286.
【9】武传松.焊接热过程与熔池形态[M].北京:机械工业出版社, 2007:22-27.
【10】张利国, 姬书得, 方洪渊, 等.焊接顺序对T形接头焊接残余应力场的影响[J].机械工程学报, 2007, 43(2):234-238.
【11】陈贺静.搅拌摩擦焊残余应力和失稳变形数值模拟预测方法研究[D].天津:天津大学, 2007.
【12】黄振华.船体型材对接焊的焊接顺序优化研究[D].大连:大连理工大学, 2009.
相关信息
