| 薄板焊接数值模拟研究 |
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| 引用本文： | 王中辉,韩笑傲,张志莲,李洪华. 薄板焊接数值模拟研究[J]. 焊管, 2011, 34(4): 23-25 |
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| 作者姓名： | 王中辉 韩笑傲 张志莲 李洪华 |
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| 作者单位： | 1. 北京石油化工学院机械工程学院,北京,102617
2. 清华大学精密仪器与机械学系,北京,100084 |
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| 基金项目： | 国家"863"计划项目，北京石油化工学院光机电装备技术北京市重点实验室开放课题，北京石油化工学院青年基金 |
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| 摘 要： | 在相同的焊接工艺参数下,采用焊接间隙为1 mm等距和焊接起始点到焊接终止点间隙从1 mm渐变到3mm两种装配方式,对薄板进行焊接,利用SYSWELD有限元分析软件对薄板对接焊缝进行数值模拟,得出平板对接焊缝的温度场分布、残余应力和变形,并通过试验验证了模拟分析结果.在此基础上,提出了最佳焊接工艺参数和装配方式,研究认为...
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| 关 键 词： | 薄板焊接 装配方式 数值模拟 焊接变形 |
Study on the Numerical Simulation in Thin Sheet Welding |
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| WANG Zhong-hui,HAN Xiao-ao,ZHANG Zhi-lian,LI Hong-hua. Study on the Numerical Simulation in Thin Sheet Welding[J]. Welded Pipe and Tube, 2011, 34(4): 23-25 |
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| Authors: | WANG Zhong-hui HAN Xiao-ao ZHANG Zhi-lian LI Hong-hua |
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| Affiliation: | 1(1.School of Mechanical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China; 2.Department of Precision Instruments and Mechanology,Tsinghua University,Beijing,100084,China) |
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| Abstract: | In the same welding parameters,two kinds of assembly way were adopted,one way is welding clearance 1 mm isometric assembly,the other one is the welding clearance from 1 mm to 3 mm between welding starting point and stop point,to carry out thin sheet welding.Using SYSWELD finite element analysis software to simulate the plate butt weld,obtained temperature field distribution,residual stress and deformation,and validated the simulation analysis results through tests,on the basis of those,it put forward the best welding parameter and assembly way.It regarded that the assembly way of welding clearance from 1 mm to 3 mm can reduce thin sheet welding deformation,improve butt welding quality,it is more suitable for thin sheet welding. |
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| Keywords: | thin sheet welding assembly way numerical simulation welding deformation |
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