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Shape deformation by moving a glissile interface with one set of misfit dislocations |
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| Authors: | J.B. Yang Z.G. Yang Y. Nagai M. Hasegawa |
| Affiliation: | 1. Cyclotron and Radioisotope Center, Tohoku University , Sendai, Miyagi, 980-8578, Japan yjbjp@imr.tohoku.ac.jp;3. Department of Materials Science and Engineering , Tsinghua University , Beijing, 100084, P.R. China;4. The Oarai Center, Institute for Materials Research, Tohoku University , Oarai, Ibaraki, 311-1313, Japan;5. Cyclotron and Radioisotope Center, Tohoku University , Sendai, Miyagi, 980-8578, Japan;6. The Oarai Center, Institute for Materials Research, Tohoku University , Oarai, Ibaraki, 311-1313, Japan |
| Abstract: | Transformation and misfit dislocations are used to describe the motion of glissile interfaces with one set of misfit dislocations in the framework of the Frank?Bilby equation. The sweep of these glissile interfaces brings about an invariant-plane-strain type shape deformation. Our approach explains the glissile motion of martensitic interfaces and small-angle symmetrical tilt grain boundaries. It is consistent with the phenomenological theory of martensite crystallography but more flexible. |
| Keywords: | transformation dislocations misfit dislocations grain boundaries interfaces martensitic transformations |