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Local stress field induced by twinning in a metastable β titanium alloy
Université Catholique de Louvain, BEL.
University of Navarra, ESP.
Université Catholique de Louvain, BEL.
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2017 (English)In: IOP Conference Series: Materials Science and Engineering, Institute of Physics Publishing (IOPP), 2017, Vol. 219,1, no 1, article id 012031Conference paper, Published paper (Refereed)
Abstract [en]

A crystal plasticity based finite element model incorporating deformation twinning is applied in 3D to simulate the stress field around a twin lamella in a metastable β titanium alloy. Compared with conventional 2D simulations, the stress field determined by the 3D simulation shows better agreement with that measured experimentally using high resolution electron backscattered diffraction. Reasons leading to the different results in 2D and 3D simulations are discussed. It is also discussed in which circumstances 2D simulation is sufficient, and in which 3D is necessary. © Published under licence by IOP Publishing Ltd.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2017. Vol. 219,1, no 1, article id 012031
Series
IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981
Keywords [en]
Stresses, Titanium, Titanium alloys, Twinning, 2D simulations, 3D simulations, Crystal plasticity, Deformation twinning, Electron back-scattered diffraction, High resolution, Local stress, Metastable beta-titanium alloys, Finite element method
National Category
Mechanical Engineering Materials Engineering
Research subject
Materials Engineering; Mechanical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-87227DOI: 10.1088/1757-899X/219/1/012031Scopus ID: 2-s2.0-85028346843OAI: oai:DiVA.org:kau-87227DiVA, id: diva2:1613019
Conference
38th Riso International Symposium on Materials Science, 4 September 2017 through 8 September 2017
Available from: 2021-11-20 Created: 2021-11-20 Last updated: 2021-11-24Bibliographically approved

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Lin, Fengxiang

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