Determination of Short Range Order Parameters in 62Ni0.765Fe0.235 at 600°C Effect of a Quench

MRS Online Proceedings Library volume 21, pages369–373(1983)Cite this article

Abstract

Different states of local order have been previously measured at room temperature on water quenched crystal of Ni0.76562 Fe0.235 [1−2]. The Cowley’ parameters and the interaction pair potentials in a Clapp and Moss approximation have been determined at: 385° C, 470°C, 507°C, 535°C, 685°C that is under and above Tc which is equal to 500°C for this composition.

The kinetic of long range order establishment is, in this alloy, very sluggish even near Tc [3]; the kinetic of short range order (SRO) is completely different and may be more complex [4]. In the previous experiments it has been supposed that the state of high temperature was retained during the quench. The following experiments check this hypothesis.

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Affiliations

  1. CECM, 15, Rue G. Urbain, 94400, Vitry/Seine, France

    S. Lefebvre

  2. LTPCM, ENSEEG, B.P. 75 DU, 38042, St Martin d’Hères, France

    F. Bley

  3. ILL, 156 X, 38042, Grenoble, France

    S. Lefebvre, F. Bley & P. Cenedese

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  1. S. Lefebvre
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  2. F. Bley
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  3. P. Cenedese
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Correspondence to S. Lefebvre.

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Lefebvre, S., Bley, F. & Cenedese, P. Determination of Short Range Order Parameters in 62Ni0.765Fe0.235 at 600°C Effect of a Quench. MRS Online Proceedings Library 21, 369–373 (1983). https://doi.org/10.1557/PROC-21-369

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