| 基于ANSYS的钛合金管口激光焊接有限元模拟 |
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| 引用本文： | 李世峰,李永堂,陈素玲,白光辉,宋建丽.基于ANSYS的钛合金管口激光焊接有限元模拟[J].铝加工,2008(6):14-18. |
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| 作者姓名： | 李世峰 李永堂 陈素玲 白光辉 宋建丽 |
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| 作者单位： | 太原科技大学,山西,太原,030024 |
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| 摘 要： | 基于热弹塑性有限元方法，建立激光焊接过程的热力学计算模型，利用三维有限元分析软件ANSYS，开发其APDL二次语言，使用“生死单元”技术，实现了对BT20钛合金管口激光焊接过程温度场和应力场的有限元模拟。结合数值计算，对有限元模拟问题进行分析，并讨论了激光焊接过程采用瞬间空冷10s后，试件内部的应力分布情况。
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| 关 键 词： | 有限元法 激光焊接 温度场 应力场 瞬间空冷 |
Research on Simulation of Laser Welding for BT20 Ti Alloy Mouthpiece |
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| LI Shi-feng,LI Yong-tang,CHEN Su-ling,BAI Guang-hui,SONG Jian-li.Research on Simulation of Laser Welding for BT20 Ti Alloy Mouthpiece[J].Aluminium Fabrication,2008(6):14-18. |
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| Authors: | LI Shi-feng LI Yong-tang CHEN Su-ling BAI Guang-hui SONG Jian-li |
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| Affiliation: | LI Shi-feng, LI Yong-tang, CHEN Su-ling, BAI Guang-hui, SONG Jian-li (Taiyuan University of Science and Technology, Taiyuan 030024, China) |
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| Abstract: | The thermodynamics model of laser welding process is established based on the thermal elastic-plastic finite element method (FEM);secondary APDL language was developed by three dimensional FEM ANSYS.FEM simulation is analyzed combining with numerical calculation.Stress distribution of specimen after instantaneous air-cooled 10s during laser welding is discussed as well. |
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| Keywords: | finite-element method laser welding temperature field stress field instantaneous air-cooled |
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