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Deformation properties of austenitic stainless steels with different stacking fault energies
Dalarna University, School of Technology and Business Studies, Materials Technology. KTH.ORCID iD: 0000-0002-7355-1941
Dalarna University, School of Technology and Business Studies, Materials Technology.
2018 (English)In: Materials Science Forum, ISSN 0255-5476, E-ISSN 1662-9752, Vol. 941, p. 190-197Article in journal (Refereed) Published
Abstract [en]

In FCC metals a single parameter – stacking fault energy (SFE) – can help to predict the expectable way of deformation such as martensitic deformation, deformation twinning or pure dislocation glide. At low SFE one can expect the perfect dislocations to dissociate into partial dislocations, but at high SFE this separation is more restricted. The role of the magnitude of the stacking fault energy on the deformation microstructures and tensile behaviour of different austenitic steels have been investigated using uniaxial tensile testing and electron backscatter diffraction (EBSD). The SFE was determined by using quantum mechanical first-principles approach. By using plasticity models we make an attempt to explain and interpret the different strain hardening behaviour of stainless steels with different stacking fault energies.

Place, publisher, year, edition, pages
Switzerland, 2018. Vol. 941, p. 190-197
Keywords [en]
Ab Initio, Deformation, EBSD, Modelling, SEM, Stainless Steel, Tensile Testing, Thermec’2018
National Category
Metallurgy and Metallic Materials
Research subject
Steel Forming and Surface Engineering
Identifiers
URN: urn:nbn:se:du-29197DOI: 10.4028/www.scientific.net/MSF.941.190ISI: 000468152500032Scopus ID: 2-s2.0-85064085774OAI: oai:DiVA.org:du-29197DiVA, id: diva2:1273960
Conference
THERMEC 2018
Available from: 2018-12-26 Created: 2018-12-26 Last updated: 2019-06-10Bibliographically approved

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Molnar, DavidEngberg, Göran

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf