Microstructure and fatigue properties of friction stir welded high-strength steel plates

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Sorger, Gonçalo
dc.contributor.author Lehtimäki, Eero
dc.contributor.author Hurme, Susanna
dc.contributor.author Remes, Heikki
dc.contributor.author Vilaça, Pedro
dc.contributor.author Molter, Lars
dc.date.accessioned 2018-02-09T09:58:29Z
dc.date.available 2018-02-09T09:58:29Z
dc.date.issued 2018
dc.identifier.citation Sorger , G , Lehtimäki , E , Hurme , S , Remes , H , Vilaça , P & Molter , L 2017 , ' Microstructure and fatigue properties of friction stir welded high-strength steel plates ' Science and Technology of Welding and Joining , pp. 1-7 . DOI: 10.1080/13621718.2017.1399574 en
dc.identifier.issn 1362-1718
dc.identifier.issn 1743-2936
dc.identifier.other PURE UUID: 5be34aab-48c1-4b08-8fd2-da1d58f250bd
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/microstructure-and-fatigue-properties-of-friction-stir-welded-highstrength-steel-plates(5be34aab-48c1-4b08-8fd2-da1d58f250bd).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85034668204&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/16470633/Sorger_etal_STWJ_2017.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/29842
dc.description.abstract The weldability of high-strength steels (HSSs) is limited by their loss of strength, toughness and fatigue properties. In demanding applications, the fatigue properties of welds are among the strictest requirements. This paper presents a weldability analysis focusing on the microstructure and fatigue properties of 6 mm thick S690 and S355 HSS plates joined by friction stir welding. Their fatigue properties are compared to design recommendations and to fatigue properties obtained with other welding techniques. Results show that the high-quality friction stir welded steel joints outperform high-quality arc welds and FAT80 design recommendations. The fatigue strength of the friction stir welded joints is increased with material yield strength. The mechanisms governing crack initiation at different maximum stress levels are discussed. en
dc.format.extent 7
dc.format.extent 1-7
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Science and Technology of Welding and Joining en
dc.rights openAccess en
dc.subject.other Materials Science(all) en
dc.subject.other Condensed Matter Physics en
dc.subject.other 214 Mechanical engineering en
dc.title Microstructure and fatigue properties of friction stir welded high-strength steel plates en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Mechanical Engineering
dc.contributor.department Center of Maritime Technologies e.V.
dc.subject.keyword fatigue
dc.subject.keyword Friction stir welding
dc.subject.keyword high-strength steel
dc.subject.keyword microstructure
dc.subject.keyword S355
dc.subject.keyword S690
dc.subject.keyword Materials Science(all)
dc.subject.keyword Condensed Matter Physics
dc.subject.keyword 214 Mechanical engineering
dc.identifier.urn URN:NBN:fi:aalto-201802091338
dc.identifier.doi 10.1080/13621718.2017.1399574
dc.type.version publishedVersion

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