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Effects of plastic deformation and stresses on dilatation during the martensitic transformation in a B-bearing steel
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
2001 (English)In: Journal of Materials Science & Technology, ISSN 1005-0302, Vol. 17, no 2, 203-206 p.Article in journal (Refereed) Published
Abstract [en]

To provide data for improved modelling of the behaviour of steel components in a simultaneous forming and quenching process, the effects of plastic deformation and stresses on dilatation during the martensitic transformation in a B-bearing steel were investigated. It was found that plastic deformation of austenite at high temperatures enhances ferrite formation significantly, and consequently, the dilatation decreases markedly even at a cooling rate of 280°C/s. The created ferritic-martensitic microstructure possesses clearly lower hardness and strength than the martensitic structure. Elastic stresses cause the preferred orientation in martensite to be formed so that diametric dilatation can increase by nearly 200% under axial compression

Place, publisher, year, edition, pages
2001. Vol. 17, no 2, 203-206 p.
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-2983Local ID: 0bb1b9e0-bb56-11db-b560-000ea68e967bOAI: oai:DiVA.org:ltu-2983DiVA: diva2:975838
Note
Validerad; 2001; 20070112 (cira)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Oldenburg, MatsEriksson, Magnus
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