| 基于SYSWELD的穿孔等离子弧焊接温度场有限元分析 |
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| 引用本文： | 胡庆贤,王艳辉,姚庆军,王顺尧.基于SYSWELD的穿孔等离子弧焊接温度场有限元分析[J].焊接学报,2011,32(12):66-69. |
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| 作者姓名： | 胡庆贤 王艳辉 姚庆军 王顺尧 |
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| 作者单位： | 1. 江苏科技大学江苏省先进焊接技术重点实验室,镇江,212003
2. 江苏省特种设备安全监督检验研究院扬州分院,扬州,225003 |
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| 基金项目： | 国家自然科学基金资助项目，江苏科技大学博士启动基金资助项目，江苏高校优势学科建设工程资助项目 |
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| 摘 要： | K－PAW焊接时形成具有“倒喇叭”状的焊缝．根据K－PAW的焊缝形状特点，通过比较多种热源作用模式，得到了适合于K—PAW焊接的组合式体积热源作用模式，即，沿板厚方向，工件的上部采用双椭球体热源，下部为中心轴热流峰值线性递增的圆柱体热源．将“双椭球体＋峰值递增圆柱体”组合式热源应用于SYSWELD软件与K—PAW焊接热...
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| 关 键 词： | 穿孔型等离子弧焊接 温度场 组合式热源 有限元分析 |
| 收稿时间： | 2011/7/4 0:00:00 |
Finite element analysis of temperature field during keyholeplasma arc welding using SYSWELD software |
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| HU Qingxian,WANG Yanhui,YAO Qingjun and WANG Shunyao.Finite element analysis of temperature field during keyholeplasma arc welding using SYSWELD software[J].Transactions of The China Welding Institution,2011,32(12):66-69. |
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| Authors: | HU Qingxian WANG Yanhui YAO Qingjun and WANG Shunyao |
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| Affiliation: | Provincial Key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, China,Provincial Key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, China,Jiangsu Province Special Equipment Safety Supervision Inspection Institute, Yangzhou Branch, Yangzhou 225003, China and Provincial Key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, China |
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| Abstract: | Considering the weld geometric characters of keyhole plasma arc welding(K-PAW), a suitable and adaptive combined heat source for numerical simulation is developed, i. e. at the transverse cross-section and along the workpiece thickness direction, the double-ellipsoidal volumetric heat source acts at upper part of the workpiece while a linearly-increased peak value of heat flux in gaussian cylinder mode exerts at lower part of the workpiece. Based on the developed adaptive combined heat source model, the welding temperature field of 6 mm thickness stainless steel is simulated by SYSWELD. The predicted weld geometry and fusion line locus at cross-section are in good agreement with the experimental measurement. This demonstrates the suitability of the combined volumetric heat source mode. |
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| Keywords: | keyhole plasma arc welding temperature field combined volumetric heat source finite element analysis |
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