The Effect of Order on the Martensitic Transformation in Fe3Pt


The lattice parameter and Curie temperature of austenite in Fe3Pt increase sharply on ordering for times up to 2 hr at 650° C. These effects, together with a rapid decrease in the martensitic transformation temperatures, are interpreted in terms of increased short-range order. The onset of thermoelastic reversibility of the martensitic transformation is associated with the development of a significant volume fraction of long-range ordered domains.

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Correspondence to D. P. Dunne.

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Dunne, D.P., Stobbs, M. & Kennon, N.F. The Effect of Order on the Martensitic Transformation in Fe3Pt. MRS Online Proceedings Library 21, 675–680 (1983).

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