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Nanostructure evolu...
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Pettersson, N.RISE,KIMAB
(author)
Nanostructure evolution and mechanical property changes during aging of a super duplex stainless steel at 300°C
- Article/chapterEnglish2015
Publisher, publication year, extent ...
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Elsevier,2015
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:kth-177210
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177210URI
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https://doi.org/10.1016/j.msea.2015.09.009DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-12767URI
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https://research.chalmers.se/publication/223405URI
Supplementary language notes
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Language:English
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Summary in:English &language:-1_t
Part of subdatabase
Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20151125
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The nanostructure evolution and the corresponding changes in mechanical properties of a super duplex stainless steel 2507 (UNS S32750) during aging at 300. °C up to 12,000. h have been investigated. Microstructural studies using transmission electron microscopy and atom probe tomography show that subtle Cr concentration fluctuations develop during aging. The amplitude of the concentration fluctuations is proportional to the hardness of the ferrite phase, and it is also proportional to the decrease in room temperature impact toughness during aging. The fracture behaviour of the alloy changes gradually from ductile to cleavage fracture, upon aging. The cracks were found to propagate through the ferrite phase, partly along deformation twin interfaces, and delamination between the austenite and ferrite phases was observed.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Wessman, StenRISE,KIMAB(Swepub:ri)sten.wessman@swerea.se
(author)
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Thuvander, Mattias,1968Chalmers University of Technology, Sweden,Chalmers tekniska högskola(Swepub:cth)matthu
(author)
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Hedström, PeterKTH,Materialvetenskap,ENHETEN STRUKTURER,KTH Royal Institute of Technology, Sweden,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1hu0w18
(author)
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Odqvist, JoakimKTH,Materialvetenskap,ENHETEN STRUKTURER,KTH Royal Institute of Technology, Sweden,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1dxktvd
(author)
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Pettersson, R. F. A.The Swedish Steel Producers' Association, Sweden,Jernkontoret
(author)
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Hertzman, S.Outokumpu Stainless Research Foundation, Sweden
(author)
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RISEKIMAB
(creator_code:org_t)
Related titles
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In:Materials Science & Engineering: Elsevier647, s. 241-2480921-50931873-4936
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