Very high cycle fatigue mechanism of carbide-free bainite/martensite steel micro-alloyed with Nb
文献类型：期刊论文
| 作者 | Y. Yu ; J. L. Gu ; B. Z. Bai ; Y. B. Liu ; S. X. Li |
| 刊名 | Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
 |
| 出版日期 | 2009 |
| 卷号 | 527期号:1-2页码:212-217 |
| 关键词 | Carbide-free bainite/martensite Very high cycle fatigue High strength steel S-N curve Mechanism life regime strength |
| ISSN号 | 0921-5093 |
| 中文摘要 | In this study, the carbide-free bainite/martensite (CFB/M) steel was micro-alloyed with Nb (CFB/M-Nb). The very high cycle fatigue (VHCF) behaviors of this CFB/M-Nb steel were investigated by ultrasonic fatigue test. Especially, different microstructures of the CFB/M-Nb steel were deliberately designed to disclose the VHCF failure mechanism. In addition, the effect of hydrogen in the formation of the optical dark area (ODA) was analyzed, which was thought to control the formation of ODA by concentrating around interior inclusions. Results show the hydrogen cannot be considered to dominate the formation of ODA. Mostly important, "soft or coarsely soft structure induced fatigue crack" should be responsible for the primary VHCF failure mechanism of CFB/M-Nb steel. (C) 2009 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/32517]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | Y. Yu,J. L. Gu,B. Z. Bai,et al. Very high cycle fatigue mechanism of carbide-free bainite/martensite steel micro-alloyed with Nb[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2009,527(1-2):212-217. |
| APA | Y. Yu,J. L. Gu,B. Z. Bai,Y. B. Liu,&S. X. Li.(2009).Very high cycle fatigue mechanism of carbide-free bainite/martensite steel micro-alloyed with Nb.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,527(1-2),212-217. |
| MLA | Y. Yu,et al."Very high cycle fatigue mechanism of carbide-free bainite/martensite steel micro-alloyed with Nb".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 527.1-2(2009):212-217. |
入库方式： OAI收割
来源：金属研究所
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