| SuPer304H钢焊接接头时效脆化机理 |
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| 引用本文： | 李新梅,邹勇,邹增大,张忠文. SuPer304H钢焊接接头时效脆化机理[J]. 焊接学报, 2011, 32(2): 1-4,24 |
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| 作者姓名： | 李新梅 邹勇 邹增大 张忠文 |
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| 作者单位： | 1. 山东大学,材料液态结构及遗传性教育部重点实验室,济南,250061
2. 山东电力研究院,济南,250002 |
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| 基金项目： | 山东电力集团公司重点科技基金资助项目，山东省自然科学基金资助项目 |
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| 摘 要： | 采用扫描电镜、能谱仪、透射电镜、X射线衍射分析等方法并通过冲击试验,研究了Super304H钢接头在650℃时效后的脆化现象.试验发现,接头的组织为γ+析出相,造成接头650℃时效脆化的根本原因是焊缝金属中大量Cr<,23>C<,6>沿晶析出,而且析出量是决定因素.经650℃时效后,组织中均明显析出Nb(C,N)和Cr...
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| 关 键 词： | 时效 奥氏体钢 焊接接头 脆化 |
| 收稿时间： | 2009-07-08 |
Aging embrittlement of Super 304H steel welded joint |
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| LI Xinmei,ZOU Yong,ZOU Zengda and ZHANG Zhongwen. Aging embrittlement of Super 304H steel welded joint[J]. Transactions of The China Welding Institution, 2011, 32(2): 1-4,24 |
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| Authors: | LI Xinmei ZOU Yong ZOU Zengda ZHANG Zhongwen |
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| Affiliation: | Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China,Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China,Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China and Shandong Electric Power Research Institute, Jinan 250002, China |
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| Abstract: | |
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| Keywords: | aging treatment austenitic steel welded joint embrittlement |
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