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dc.contributor.authorBublíková, Dagmar
dc.contributor.authorJirková, Hana
dc.contributor.authorJeníček, Štepán
dc.contributor.authorVrtáček, Jiří
dc.contributor.editorKučerová, Ludmila
dc.contributor.editorJirková, Hana
dc.contributor.editorJeníček, Štěpán
dc.date.accessioned2019-10-08T10:48:49Z-
dc.date.available2019-10-08T10:48:49Z-
dc.date.issued2019
dc.identifier.citationJIRKOVÁ, Hana ed.; JENÍČEK, Štepán ed. Proceedings PING 2019: modern trends in material engineering: 10.-13.09.2019, Pilsen. 1. vyd. Plzeň: University of West Bohemia, 2019, s. 30. ISBN 978-80-261-0879-5.en
dc.identifier.isbn978-80-261-0879-5
dc.identifier.urihttp://hdl.handle.net/11025/35219
dc.description.sponsorshipPING 2019 is organized with the support of funds for specific university research project SVK1-2019-002.en
dc.format1 s.cs
dc.format.mimetypeapplication/PDF
dc.language.isoenen
dc.publisherUniversity of West Bohemiaen
dc.rights© University of West Bohemiaen
dc.subjectTRIP ocelics
dc.subjectzadržený austenitcs
dc.subjectrentgenová difrakcecs
dc.subjectmezikritické žíhánícs
dc.titleInfluence of chemical composition and parameters of heat treatment on the mechanical properties and microstructure of TRIP steelsen
dc.typekonferenční příspěvekcs
dc.typeconferenceObjecten
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedGood mechanical properties of steels, in which appropriate heat treatment can produce mixed hardening structures, make them candidates for a broad range of applications, namely in the automotive industry. TRIP steels (in which transformation-induced plasticity operates) with a carbon content of approximately 0.2% are one such class of steels. Heat treatment of these steels comprises two stages. The first involve heating to the intercritical region between the A1 and A3. It is followed by cooling to a bainitic transformation temperature and holding. The resulting mixed microstructure consist of ferrite, bainite and retained austenite. Thanks to the presence of ferrite and retained austenite, the ultimate strength and elongation can reach 1500 MPa and 25-40%, respectively. The experiments presented in this paper were performed on two steels whose chemistries were specially adjusted to support formation of TRIP microstructure. The main difference between them was the level of chromium. Intercritical annealing was carried out on both steels. Aspects of interest included mainly the effect of the cooling rate above the bainitic transformation temperature and the holding time on mechanical properties and final microstructure. The heat treatment led to microstructures ferrite, bainite and retained austenite. The strength was under 1100 MPa and elongation reached 28%.en
dc.subject.translatedTRIP steelsen
dc.subject.translatedretained austeniteen
dc.subject.translatedX-ray diffractionen
dc.subject.translatedintercritical annealingen
dc.type.statusPeer-revieweden
Vyskytuje se v kolekcích:Proceedings PING 2019: modern trends in material engineering
Konferenční příspěvky / Conference Papers (RTI)
Proceedings PING 2019: modern trends in material engineering

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