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The growth of antiphase domains in Cu3Au as studied by transmission electron microscopy

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Abstract

The changes in the antiphase domain structure of stoichiometric Cu3Au during ordering after quenching from aboveT c have been studied by means of transmission electron microscopy. The growth of the domains was found to satisfy aD 2 ∞ t relation in agreement with previous X-ray diffraction measurements. The activation energy determined for the process (42 kcal per mole) is also in agreement with the previous work. An increase in quenching temperature gave no effect on the domain size achieved by a particular ordering treatment. Measurements of the domain size distribution at various stages during growth indicate that the domain structure is not completely irregular. Certain domain sizes which are multiples of a unit domain size are preferred. During the early stages of domain growth the behavior appears to be consistent with a diffusion model of the ordering process similar to that applied to spinodal decomposition.

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Authors and Affiliations

  1. The Japan Information Center of Science and Technology, Tokyo, Japan

    M. Sakai

  2. Department of Metallurgical Engineering, Michigan Technological University, Houghton, Mich.

    D. E. Mikkola

Authors
  1. M. Sakai
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  2. D. E. Mikkola
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M. SAKAI, formerly Graduate Student, Michigan Technological University, Houghton, Mich.

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Sakai, M., Mikkola, D.E. The growth of antiphase domains in Cu3Au as studied by transmission electron microscopy. Metall Trans 2, 1635–1641 (1971). https://doi.org/10.1007/BF02913887

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