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The influence of temperature on deformation-induced martensitic transformation in 301 stainless steel
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap. 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 (Engelska)Ingår i: Materials Science and Technology, ISSN 0267-0836, E-ISSN 1743-2847, Vol. 34, nr 17, s. 2114-2125Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
Taylor & Francis Group, 2018. Vol. 34, nr 17, s. 2114-2125
Nyckelord [en]
Neutron diffraction, solid-state transformation, martensite, TRIP steel, work hardening
Nationell ämneskategori
Metallurgi och metalliska material
Identifikatorer
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
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QC 20181126

Tillgänglig från: 2018-11-26 Skapad: 2018-11-26 Senast uppdaterad: 2018-11-26Bibliografiskt granskad

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Das, Yadunandan B.Fitzpatrick, Michael E.
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Materialvetenskap
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Materials Science and Technology
Metallurgi och metalliska material

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