Grain refinement of TRIP-Assisted multiphase steels through strain-induced phase transformation
(2006) Steel Research International — Vol. 77, n° 4, p. 271-275 (2006)
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- Abstract
- To develop high performance steels for automotive applications, enhanced strengthening mechanisms are required. This study aims at assessing the critical parameters leading to the refinement of the strain-induced ferrite matrix of thermomechanically processed multiphase steels. Hot rolling simulations allowed the definition of the temperature, strain and cooling rate conditions bringing about the formation of strain-induced ferrite with a reduced grain size. The relationship between the deformation and the concurrent or subsequent phase transformations is highlighted thanks to a thorough characterisation of the generated microstructures. It is also shown that the prior austenite grain size influences the distribution of the second phases within the finely grained ferrite matrix.
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Godet, S., Harlet, P., & Jacques, P. (2006). Grain refinement of TRIP-Assisted multiphase steels through strain-induced phase transformation. Steel Research International, 77(4), 271-275. https://hdl.handle.net/2078.5/135748 (Original work published 2006)