| 焊接热循环曲线及相变点测试系统的实现 |
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| 引用本文： | 袁少波,童彦刚,王文锋. 焊接热循环曲线及相变点测试系统的实现[J]. 电焊机, 2005, 35(4): 47-51 |
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| 作者姓名： | 袁少波 童彦刚 王文锋 |
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| 作者单位： | 重庆大学,机械工程学院,重庆,40004 |
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| 摘 要： | 介绍了一种焊接热循环参数测试及分析系统。该系统可以测定热循环冷却曲线及其上的温度相变点．建立新材料的SH—CCT图，为制定、评定和优化焊接工艺提供重要的参考依据，为分析HAZ的相变机理及组织性能提供有力的证据，从而提出了利用焊接冷却相变在热循环曲线上具有温度点的现象来研究HAZ相变机理与组织性能的新思路。
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| 关 键 词： | 焊接热循环 二阶差分算法 相变温度点 |
| 文章编号： | 1001-2303(2005)04-0047-05 |
| 修稿时间： | 2004-09-02 |
Realization of test system for welding thermal cycle curve and phase transformation point |
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| YUAN Shao-bo,TONG Yan-gang,WANG Wen-feng. Realization of test system for welding thermal cycle curve and phase transformation point[J]. Electric Welding Machine, 2005, 35(4): 47-51 |
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| Authors: | YUAN Shao-bo TONG Yan-gang WANG Wen-feng |
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| Abstract: | A computer-aided system for testing and analyzing weld thermal cycle is presented in this paper.The system may be helpful for establishing and enriching the welding CCT curves for metal material as the temperature points of phase transformation can be obtained in the thermal cycle curves of HAZ by using the system.It is also applicable to research on the microstructures and mechanical properties of HAZ. |
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| Keywords: | welding thermal cycle second-order algorithm phase transformation temperature points |
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