| 321奥氏体不锈钢单晶应力腐蚀断口的研究 |
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| 引用本文： | 高克玮,乔利杰,褚武扬,骆静利. 321奥氏体不锈钢单晶应力腐蚀断口的研究[J]. 金属学报, 1998, 34(8): 888-891 |
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| 作者姓名： | 高克玮 乔利杰 褚武扬 骆静利 |
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| 作者单位： | 北京科技大学材料物理系!100083(高克玮，乔利杰，褚武扬)，加拿大阿尔伯特大学化学与材料工程系!加拿大阿尔伯特，T6G2G6(骆静利) |
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| 摘 要： | 本文观察了３２１奥氏体光盘钢在沸腾的４２％ＭｇＣｌ２溶液中的应力腐蚀行为。
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| 关 键 词： | 奥氏体不锈钢 应力腐蚀断裂 断口 不锈钢 |
| 收稿时间： | 1998-08-18 |
| 修稿时间： | 1998-08-18 |
FRACTOGRAPHIC STUDY OF SCC OF 321 AUSTENITIC STAINLESS STEEL SINGLE CRYSTAL |
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| GAO Kewei,QIAO Lijie,CHU WuyangLUO KingliCorrespondent: GAO Kewei,associate professor Tel. ,Fax: ,E-mail: ljqiao public.bta.net.cn. FRACTOGRAPHIC STUDY OF SCC OF 321 AUSTENITIC STAINLESS STEEL SINGLE CRYSTAL[J]. Acta Metallurgica Sinica, 1998, 34(8): 888-891 |
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| Authors: | GAO Kewei QIAO Lijie CHU WuyangLUO KingliCorrespondent: GAO Kewei associate professor Tel. Fax: E-mail: ljqiao public.bta.net.cn |
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| Affiliation: | GAO Kewei,QIAO Lijie,CHU Wuyang(Department of Materials Physics,University of Science and Technology Beijing,Beijing )LUO Kingli(Department of Chemical and Materials Engineering,University of Alberta,Alberta,Canada,TG,G)Correspondent: GAO Kewei,associate professor Tel. (),Fax: (),E-mail: ljqiao public.bta.net.cn |
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| Abstract: | The observation of behavior of SCC of 321 austenitic stainless steel single crystal in boiling 42%MgCl2 showed that there was a relationship between the appearence of slip bands and the initiation or propagation of SCC. Although the stress corrosion cracks often nucleated at the intersection of two slip bands, they propagated along neither of these two slip bands. The SEM observations of the fractography of SCC showed that although the stress corrosion crack with river- markings or fan-patterns nucleated normally along the average macroscopic plane {100}, the detailed observations indicated that the microshear facets were along {111} plane. |
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| Keywords: | 321 austenitic stainless steel SCC fractography |
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