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An Experimental Assessment of the alpha plus alpha ' Miscibility Gap in Fe-Cr
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.ORCID iD: 0000-0003-1102-4342
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Physical Metallurgy.ORCID iD: 0000-0003-3598-2465
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2017 (English)In: TMS 2017 146TH ANNUAL MEETING & EXHIBITION SUPPLEMENTAL PROCEEDINGS, Springer, 2017, 711-718 p.Conference paper, Published paper (Refereed)
Abstract [en]

Phase separation in the Fe-Cr system has been studied experimentally. The upper limit of the miscibility gap and phase separation kinetics during the early stages of decomposition was studied using Vickers micro-hardness tests and atom probe tomography. The results indicate that the upper limit of the miscibility gap in current thermodynamic descriptions is overestimated, but it is necessary to further analyze the transition across the upper limit of the miscibility gap before drawing conclusions. This work demonstrates the efficient combination of micro-hardness measurements and atom probe tomography to investigate the miscibility gap in the Fe-Cr system.

Place, publisher, year, edition, pages
Springer, 2017. 711-718 p.
Series
Minerals Metals & Materials Series, ISSN 2367-1181
Keyword [en]
Phase separation, Fe-Cr alloys, Miscibility gap, Atom probe tomography, Phase diagram
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-208737DOI: 10.1007/978-3-319-51493-2_68ISI: 000401654100067ISBN: 978-3-319-51493-2 (print)ISBN: 978-3-319-51492-5 (print)OAI: oai:DiVA.org:kth-208737DiVA: diva2:1109103
Conference
146th TMS Annual Meeting and Exhibition, FEB 26-MAR 02, 2017, San Diego, CA
Note

QC 2017-06-13

Available from: 2017-06-13 Created: 2017-06-13 Last updated: 2017-11-10Bibliographically approved

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Publisher's full texthttp://www.tms.org/meetings/annual-17/AM17home.aspx

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Hedström, PeterOdqvist, Joakim

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