A New Mechanism for the Alpha to Omega Martensitic Transformation in Pure Titanium

Buffalo); D. M. Hatch (Brigham Young University); D. R. Trinkle; H. T. Stokes (Brigham Young University); J. W. Wilkins (Ohio State University); M. D. Jones (SUNY; R. C. Albers (Los Alamos National Laboratory); R. G. Hennig (Ohio State University); S. G. Srinivasan (Los Alamos National Laboratory)

arxiv: cond-mat/0301084 · v1 · submitted 2003-01-07 · ❄️ cond-mat.mtrl-sci

A New Mechanism for the Alpha to Omega Martensitic Transformation in Pure Titanium

D. R. Trinkle , R. G. Hennig (Ohio State University) , S. G. Srinivasan (Los Alamos National Laboratory) , D. M. Hatch (Brigham Young University) , M. D. Jones (SUNY , Buffalo) , H. T. Stokes (Brigham Young University) , R. C. Albers (Los Alamos National Laboratory)

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J. W. Wilkins (Ohio State University)

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classification ❄️ cond-mat.mtrl-sci

keywords mechanismalphamartensiticmechanismsomegapuretitaniumtransformation

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We propose a new direct mechanism for the pressure driven alpha to omega martensitic transformation in pure titanium. A systematic algorithm enumerates all possible mechanisms whose energy barriers are evaluated. A new, homogeneous mechanism emerges with a barrier at least four times lower than other mechanisms. This mechanism remains favorable in a simple nucleation model.

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A New Mechanism for the Alpha to Omega Martensitic Transformation in Pure Titanium

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