Effect of Isothermal Temperature on Microstructure and Mechanical Properties of High Al-Low Si TRIP Steel
查看参考文献26篇
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文摘
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In this study, the effect of isothermal temperature on microstructure and mechanical properties of a high Al-low Si TRIP steel was investigated using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, electron back scattered diffraction, and tensile test. The results show that typical microstructure containing ferrite, bainite, and retained austenite can be obtained when two-stage heat treatment process was utilized. When annealing temperature is 840 ℃ and austempering temperature is 400 ℃, the tensile strength is 542 MPa and the product of strength and elongation is 17,685 MPa%. The morphologies and stability of the retained austenite in low silicon/high aluminum TRIP steel were finally discussed. |
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来源
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Acta Metallurgica Sinica(English Letters)
,2014,27(3):389-394 【核心库】
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DOI
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10.1007/s40195-014-0068-9
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关键词
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TRIP steel
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Microstructure
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Mechanical properties
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Isothermal temperature
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Retained austenite
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地址
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1.
School of Materials and Metallurgy, Northeastern University, Shenyang, 110819
2.
New Product Development and Application Center, Nanjing Iron and Steel Co., Ltd., Nanjing, 210035
3.
Northeastern University, State Key Laboratory of Rolling and Automation, Shenyang, 110819
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1006-7191 |
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学科
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金属学与金属工艺 |
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基金
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supported by the National High Technology Research and Development Program
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国家自然科学基金
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文献收藏号
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CSCD:5198085
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