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The influence of temperature on deformation-induced martensitic transformation in 301 stainless steel
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Open Univ, Mat Engn, Walton Hall, Milton Keynes MK7 6AA, Bucks, England.
Open Univ, Mat Engn, Walton Hall, Milton Keynes MK7 6AA, Bucks, England..
Rutherford Appleton Lab, ISIS Facil, Didcot, Oxon, England..
Rutherford Appleton Lab, ISIS Facil, Didcot, Oxon, England..
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2018 (English)In: Materials Science and Technology, ISSN 0267-0836, E-ISSN 1743-2847, Vol. 34, no 17, p. 2114-2125Article in journal (Refereed) Published
Abstract [en]

Deformation-induced martensitic transformations are increasingly being used to create desirable mechanical properties in steels. Here, the kinetics of the deformation-induced martensitic transformation is investigated at 300, 263, 223, 173 and 100 K using in situ neutron diffraction during tensile loading. The results from these experiments show a distinct change in the transformation behaviour between 300 K and the tests conducted at 263 K and below, causing a difference in martensite structure. The difference in transformation kinetics is correlated to the suppression of slip at low temperatures, as evidenced using diffraction peak intensity analysis for different grain families and corroborated using transmission electron microscopy. A direct correlation between the deformation-induced martensite fraction and the work-hardening rate is shown.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2018. Vol. 34, no 17, p. 2114-2125
Keywords [en]
Neutron diffraction, solid-state transformation, martensite, TRIP steel, work hardening
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-239470DOI: 10.1080/02670836.2018.1511076ISI: 000449295600007Scopus ID: 2-s2.0-85052338967OAI: oai:DiVA.org:kth-239470DiVA, id: diva2:1265708
Note

QC 20181126

Available from: 2018-11-26 Created: 2018-11-26 Last updated: 2018-11-26Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf