Anisotropy of Retained Austenite Stability during Transformation to Martensite in a TRIP‐Assisted Steel |
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| Authors: | Esmaeil Emadoddin Abbas Akbarzadeh Roumen Petrov Lie Zhao |
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| Affiliation: | 1. Faculty of Materials and Engineering, Semnan University, Semnan, Iran;2. Faculty of Material Science and Engineering, Sharif University of Technology, Azadi Ave., Tehran, Iran;3. Dept. of Metallurgy and Materials Science, Ghent University, Technologiepark 903, Ghent, Belgium;4. Dept. of Materials Science and Engineering, Delft University of Technology (TU Delft), Mekelweg 2, Delft, the Netherlands;5. Materials Innovation Institute, Mekelweg 2, 2628 CD Delft, the Netherlands |
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| Abstract: | Retained austenite as a key constituent in final microstructure plays an important role in TRansformation Induced Plasticity (TRIP) steels. The volume fraction, carbon concentration, size, and morphology of this phase are the well‐known parameters which effects on the rate of transformation of retained austenite to martensite and the properties of steel, are studied by many researchers. Of the transformation of retained austenite to martensite under strain in a TRIP steel is studied in this paper. The experimental results show that the transformation rate of retained, austenite with similar characteristics, to martensite in differently processed TRIP steel samples, exhibits an anisotropic behavior. This phenomenon implies a kind of variant selection of martensitic reaction of retained austenite under strain and is explained by ferrite texture developed in steel. |
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| Keywords: | TRIP steel stability of retained austenite texture anisotropy |
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