Microtextural study of variant selection by EBSD in a bainitic steel containing retained austenite

Godet, S.;Kim, BK;Jacques, Pascal;Szpunar, J;Delannay, Francis;et.al.
(2003) Journal de Physique IV — Vol. 112, p. 309-312 (2003)

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  • Godet, S.
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  • Kim, BK
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  • Szpunar, J
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  • Delannay, Francisorcid-logoUCLouvain
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Abstract
The phenomenon of variant selection in a bainitic steel containing retained austenite was investigated. The steel was hot-rolled below the Tnr to true strains of epsilon = 0.2 and epsilon = 0.8 in the austenite temperature range. The orientation relationships between bainite and austenite are expressed in Rodrigues space. A strain of 0.2 is shown to be insufficient to induce variant selection. A hot deformation of 0.8 leads to a much smaller number of variants being created, which are shown to be related to the slip systems active during austenite deformation.
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Godet, S., Kim, B., Jacques, P., Szpunar, J., Jonas, J., & Delannay, F. (2003). Microtextural study of variant selection by EBSD in a bainitic steel containing retained austenite. Journal de Physique IV, 112, 309-312. https://doi.org/10.1051/jp4:2003890 (Original work published 2003)