Bainite: Fragmentation of Crystallographically Homogeneous Domains

Junhak Pak, Dong Woo Suh and H. K. D. H. Bhadeshia


It becomes possible in appropriate circumstances for similarly oriented plates of bainite or martensite to merge and form coarse crystallographically homogeneous domains whose presence leads to a deterioration in mechanical properties. A method is presented here for breaking up such domains, by introducing very small scale chemical composition variations in the austenite prior to its transformation.

International Journal of Materials Research, 103 (2012) 476-482.

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