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Modelling of cyclic...
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Esmaeili, Ali,1983Chalmers tekniska högskola,Chalmers University of Technology
(author)
Modelling of cyclic plasticity and phase transformations during repeated local heating events in rail and wheel steels
- Article/chapterEnglish2021
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LIBRIS-ID:oai:research.chalmers.se:129d86a3-c7c4-4e8d-8207-f9de21f43b62
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https://research.chalmers.se/publication/524880URI
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https://doi.org/10.1016/j.ijfatigue.2021.106361DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Short term local friction heating events in railway operations might lead to phase transformations in pearlitic rail and wheel steels. A modelling framework for phase transformations combined with cyclic plasticity for the individual phases is presented. The phase transformation kinetics include e.g. austenitization due to heating, martensite formation due to rapid cooling and martensite tempering. The modelling framework has been calibrated against cyclic dilatometry test data and cyclic mechanical experiments. Simulations of a double heating event followed by rolling contact loadings show phase transformations and how cyclic residual stresses develop in the different phases.
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Ahlström, Johan,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jnah
(author)
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Andersson, Björn,1989Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)abjorn
(author)
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Ekh, Magnus,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)mgjo
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:International Journal of Fatigue: Elsevier BV1510142-1123
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