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  On structure-property relationship in nanostructured bainitic steel subjected to the quenching and partitioning process

Luo, P., Gao, G., Zhang, H., Tan, Z., Misra, R. D. K., & Bai, B. (2016). On structure-property relationship in nanostructured bainitic steel subjected to the quenching and partitioning process. Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing, 661, 1-8. doi:10.1016/j.msea.2016.03.006.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-0001-B93E-A 版のパーマリンク: https://hdl.handle.net/21.11116/0000-0001-B93F-9
資料種別: 学術論文

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 作成者:
Luo, Ping1, 著者           
Gao, Guhui2, 著者           
Zhang, Han3, 著者           
Tan, Zhunli2, 著者           
Misra, Rajiv Devesh Kumar4, 著者           
Bai, Bingzhe2, 5, 著者           
所属:
1Material Science & Engineering Research Center, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China, persistent22              
2Materials Science and Engineering Research Center, Beijing Jiaotong University, Beijing, China, ou_persistent22              
3Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863381              
4Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX, USA, persistent22              
5Key Laboratory of Advanced Materials, Department of Material Science and Engineering, Tsinghua University, Beijing, China, ou_persistent22              

内容説明

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キーワード: Austenite; Bainite; Manganese; Martensite; Martensitic steel; Mechanical properties; Quenching; Steel; Steel metallography; Tensile strength, Bainite transformations; Bainitic steel; Degradation of mechanical properties; Multiphase microstructure; Nanostructured bainites; Quenching and partitioning; Retained austenite; Structure property relationships, Bainitic transformations
 要旨: We elucidate here the mechanistic contribution of the application of quenching and partitioning (QP) concept to a high carbon Mn-Si-Cr steel in obtaining a multiphase microstructure comprising of martensite/austenite and nanostructured bainite (bainitic ferrite and nanometer-sized film-like retained austenite) that exhibited tensile strength of 1923 MPa and total elongation of 18.3. The excellent mechanical properties are attributed to the enhanced refinement of blocky austenite islands obtained by the QP process. The austenite was stabilized by both carbon partitioning from martensite and bainite transformation. Compared with conventional heat treatment to produce nanostructured bainite, the total time is significantly reduced without degradation of mechanical properties. © 2016 Elsevier B.V.

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言語: eng - English
 日付: 2016-04-20
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子（DOI, ISBNなど）: DOI: 10.1016/j.msea.2016.03.006
BibTex参照ID: Luo20161
 学位: -

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出版物 1

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出版物名: Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing
  省略形 : Mater. Sci. Eng. A: Struct. Mater. Prop. Microstruct. Process.
種別: 学術雑誌
 著者・編者:
所属:
出版社, 出版地: New York, NY : Elsevier
ページ: - 巻号: 661 通巻号: - 開始・終了ページ: 1 - 8 識別子（ISBN, ISSN, DOIなど）: ISSN: 0921-5093
CoNE: https://pure.mpg.de/cone/journals/resource/954928498465_1