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Browsing by Author Kwok, T. W. J.

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    • Carbon in Solution and the Charpy Impact Performance of Medium Mn Steels
    Authors: Kwok, T. W. J.; Worsnop, F. F.; Douglas, J. O.;  Advisor: -;  Co-Author: - (2023)

    Carbon is a well known austenite stabiliser and can be used to alter the stacking fault energy and stability against martensitic transformation in medium Mn steels, producing a range of deformation mechanisms such as the Transformation Induced Plasticity (TRIP) or combined Twinning and Transformation Induced Plasticity (TWIP + TRIP) effects. However, the effect of C beyond quasi-static tensile behaviour is less well known. Therefore, two medium Mn steels with 0.2 and 0.5 wt pct C were designed to produce similar austenite fractions and stability and therefore tensile behaviour. These were processed to form lamellar and mixed equiaxed + lamellar microstructures. The low C steel had a c...