Producing superfine low-carbon bainitic structure through a new combined thermo-mechanical process
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- 作者：Leijie Zhao ; Lihe Qian ; dlhqian@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Shuai Liu ; Qian Zhou
- 关键词：Metals and alloys ; Bainitic steel ; Ausforming ; Austempering ; Phase transformation
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 November 2016
- 年：2016
- 卷：685
- 期：Complete
- 页码：300-303
- 全文大小：1955 K
文摘
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A new combined process, ausforming followed by below-Ms austempering, was applied.
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The new process significantly refines bainitic structure in a low-carbon steel.
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A superfine bainite with lath thickness down to ∼100 nm is obtained.
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Bainitic lath thickness decreases as the ausforming temperature decreases.
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Ladder-like bainitic morphology is formed at lower ausforming temperatures.