New mechanism for the alpha to omega martensitic transformation in pure titanium |
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| Authors: | Trinkle D R Hennig R G Srinivasan S G Hatch D M Jones M D Stokes H T Albers R C Wilkins J W |
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| Institution: | The Ohio State University, Columbus, Ohio 43210, USA. |
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| Abstract: | We propose a new direct mechanism for the pressure driven alpha-->omega martensitic transformation in pure titanium. A systematic algorithm enumerates all possible pathways whose energy barriers are evaluated. A new, homogeneous pathway emerges with a barrier at least 4 times lower than other pathways. The pathway is shown to be favorable in any nucleation model. |
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