叶枫,周雷,蔡琰,张炎雨,谢志雄,董仕节,解剑英

• 1:湖北工业大学绿色轻工材料湖北省重点实验室
• 2:湖北隆中实验室
• 3:武汉轻工大学机械工程学院
• 4:武汉市博钛新材料科技有限公司

摘要(Abstract)：

首先对壁厚0.4 mm的薄壁TA1焊管进行高频感应焊接，随后，在不同温度下对焊接接头进行5 min的热处理。利用光学显微镜和扫描电镜分析了热处理前后焊接接头的显微组织，并对焊接接头的力学性能进行了测试。结果表明：热处理使TA1焊管焊接接头的显微组织和力学性能发生显著变化，当热处理温度为600℃时，焊接接头发生了完全再结晶，晶粒细小，抗拉强度略有下降，塑性增强，拉伸断口呈典型的韧性断裂特征，这主要是针状马氏体消失和细晶强化所致。

关键词(KeyWords)： TA1;高频感应焊管;热处理;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51771071);; 湖北省国际科技合作项目(2022EHB020);; 湖北隆中实验室自主创新项目(2022ZZ-17)

作者(Author): 叶枫,周雷,蔡琰,张炎雨,谢志雄,董仕节,解剑英

DOI: 10.13289/j.issn.1009-6264.2023-0338

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