Effect of long-term thermal exposure on microstructure of laser-welded UNS N10003 alloy

作者： Kun, Yu ¹ Yuan, Zhang ¹ Xiaodan, Yuan ¹ Libin, Zhao ² Zhijun, Li ¹
作者单位：

1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China

2. Nuclear and Radiation Safety Center, Beijing 100082, China
通讯作者： Libin, Zhao Email:zhlbhit@126.com Zhijun, Li Email:lizhijun@sinap.ac.cn
提交时间：2024-07-12 11:03:07

摘要: 研究了在 700 ◦C 高温下暴露的 UNS N10003 合金激光焊缝的微观组织和拉伸断裂机制的演变。暴露 100 小时后，熔合区中初生共晶 M6C-γ 碳化物周围析出了细小的 M6C 碳化物。在长期热暴露过程中，细小的 M6C 碳化物的尺寸增大。当暴露时间延长至 10 000 小时时，焊态熔合区中的共晶 M6C-γ 碳化物转变为球形 M6C 碳化物。此外，随着暴露时间的增加，球形 M6C 颗粒的尺寸出现粗化。共晶 M6C-γ 碳化物的演变和 M6C 碳化物的粗化不会对焊接接头的拉伸性能产生不利影响。

UNS N10003 alloy Laser welding M6C Long-term thermal exposure

来自： 玉昆
分类： 核科学技术 >> 辐射物理与技术
投稿状态： 已被期刊接收
引用： ChinaXiv:202407.00270 (或此版本 ChinaXiv:202407.00270V1)
DOI:10.12074/202407.00270V1
CSTR:32003.36.ChinaXiv.202407.00270.V1
推荐引用方式： Kun, Yu,Yuan, Zhang,Xiaodan, Yuan,Libin, Zhao,Zhijun, Li.(2024).Effect of long-term thermal exposure on microstructure of laser-welded UNS N10003 alloy.中国科学院科技论文预发布平台.doi:10.12074/202407.00270V1 (点此复制)

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2024-07-12 11:03:07

ChinaXiv:202407.00270V1

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