BCC-BCC Orientation relationships, Surface Relief and Displacive Phase Transformations in Steel

H. K. D. H. Bhadeshia


There exists a crystallographic degeneracy in the F.C.C. to B.C.C. transformation such that it is possible to understand the tent-like relief associated with some Widmanstatten ferrite plates in terms of the formation of back-to-back mutually accommodating variants. The general arguments presented in the paper are valid also for bainite and martensite.

Scripta Metallurgica, Vol. 14, 1980, pp. 821-824

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