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  Tempering Reactions and Elemental Redistribution During Tempering of Martensitic Stainless Steels

Huang, Q., Yao, M., Timokhina, I. B., Schimpf, C., Biermann, H., Volkova, O., et al. (2019). Tempering Reactions and Elemental Redistribution During Tempering of Martensitic Stainless Steels. Metallurgical and Materials Transactions A, 50(8), 3663-3673. doi:10.1007/s11661-019-05272-3.

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 Creators:
Huang, Qiuliang1, Author
Yao, Mengji2, Author           
Timokhina, Iliana B.3, Author           
Schimpf, Christian4, Author
Biermann, Horst5, Author
Volkova, Olena1, Author
De Cooman, Bruno C.6, Author
Mola, Javad1, 7, Author
Affiliations:
1Institute of Iron and Steel Technology, Technische Universität Bergakademie Freiberg, Leipziger St. 34, 09599, Freiberg, Germany, ou_persistent22              
2Atom Probe Tomography, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863384              
3Institute for Frontier Materials, Deakin University, Geelong Waurn Ponds Campus, Geelong, VIC, Australia, ou_persistent22              
4Institute of Materials Science, Technische Universität Bergakademie Freiberg, Gustav-Zeuner-Straße 5, 09599, Freiberg, Germany, ou_persistent22              
5Institute of Materials Engineering, Technische Universität Bergakademie Freiberg, Gustav-Zeuner-Straße 5, 09599, Freiberg, Germany, ou_persistent22              
6Graduate Institute of Ferrous Technology, Pohang University of Science and Technology, Pohang, Gyeongbuk, 790-784, South Korea, ou_persistent22              
7Material Design and Structural Integrity Lab, Faculty of Engineering and Computer Sciences, Osnabrück University of Applied Sciences, Albrecht St. 30, 49076, Osnabrück, Germany, ou_persistent22              

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Free keywords: Austenite; Carbides; Manganese; Martensite; Martensitic stainless steel; Tempering, Austenite decomposition; Dilatometry; Elemental redistribution; Martensite phase; Mn and Si; Partial dissolution; Retained austenite; Temperature range, Chromium compounds
 Abstract: Tempering reactions in the martensite phase of Fe-13Cr-0.47C (mass pct) stainless steel and its Si- and Mn-added modifications were studied by correlative dilatometry and magnetic measurements. Tempering for 5 minutes was performed at sequentially higher temperatures up to 923 K (650 °C). Classical tempering reactions including the segregation of C atoms at defects, precipitation of M3C and Cr-rich carbides, and austenite decomposition were clearly identified. The formation of M3C carbides was partially and entirely suppressed by Mn and Si additions, respectively. Compared to low-alloy steels, the decomposition of retained austenite in stainless steels was delayed to temperatures above 823 K (550 °C). The latter occurred concurrently with the formation of Cr-rich carbides in the martensite. In addition, non-classical tempering reactions such as the partial dissolution of C clusters at temperatures above 573 K (300 °C) and the short-range diffusion of substitutional elements including Cr and Mn to C clusters and M3C carbides in the temperature range of 673 K to 823 K (400 °C to 550 °C) were identified based on the associated increase in the magnetization. © 2019, The Minerals, Metals Materials Society and ASM International.

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Language(s): eng - English
 Dates: 2019-05-20
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1007/s11661-019-05272-3
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Title: Metallurgical and Materials Transactions A
  Abbreviation : Metall. Mater. Trans. A - Phys. Metall. Mater. Sci.
Source Genre: Journal
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Publ. Info: New York, NY : Springer Sciences & Business Media
Pages: - Volume / Issue: 50 (8) Sequence Number: - Start / End Page: 3663 - 3673 Identifier: ISSN: 1073-5623
CoNE: https://pure.mpg.de/cone/journals/resource/954928569608