The possible role of partial dislocations in facilitating transformations of the Nishiyama–Wassermann type (original) (raw)

Scripta Materialia, 2005

Abstract

By analogy with the role of perfect dislocations in facilitating Kurdjumov–Sachs type transformations, it is proposed that partial dislocations may be responsible for Nishiyama–Wassermann transformations. Such an interpretation can account for the presence of both “positive slip” and “negative slip” variants within individual grains, a hitherto unexplained phenomenon.

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