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金属学报  2005, Vol. 41 Issue (8): 839-846     
  论文 本期目录 | 过刊浏览 |
基于串热源及CCT图的GMAW焊接热影响区组织及硬度预测
王后孝 魏艳红 孙俊生 郑媛媛
哈尔滨工业大学现代焊接生产技术国家重点实验室; 哈尔滨 150001
引用本文:

王后孝; 魏艳红; 孙俊生; 郑媛媛 . 基于串热源及CCT图的GMAW焊接热影响区组织及硬度预测[J]. 金属学报, 2005, 41(8): 839-846 .

全文: PDF(576 KB)  
摘要: 将熔化极气体保护焊(GMAW)的热输入处理为三维移动串热源, 建立了串热 源模型, 模拟了JG590低合金钢的GMAW焊接热过程. 进行了JG590钢的GMAW焊接工艺 实验, 通过焊缝横截面熔合线的几何形状以及焊接接头的几何尺寸对所建模型进 行了实验验证. 分析评价了目前常用的t8/5计算公式, 利用JG590钢GMAW焊 接热过程的模拟结果, 结合其连续冷却组织转变图(CCT图), 成功预测了焊接热 影响区(HAZ)的组织及硬度.
关键词 熔化极气体保护焊三维移动串热源    
Key words
收稿日期: 1900-01-01     
ZTFLH:  TG44  
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