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

Published online by Cambridge University Press:  21 February 2011

S. Lefebvre ,
F. Bley  and
P. Cenedese
S. Lefebvre
Affiliation:
Cecm 15, Rue G. Urbain, 94400 Vitry/Seine, France;
F. Bley
Affiliation:
Ltpcm, Enseeg, B.P. 75 DU, 38042 St Martin d'Hères, France;
P. Cenedese
Affiliation:
Ill, 156 X, 38042 Grenoble, France.
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Abstract

Different states of local order have been previously measured at room temperature on water quenched crystal of Ni0.765 62 Fe0.235 [1−2]. The Cowley' parameters and the interaction pair potentials in a Clapp and floss 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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983 , 369
Copyright
Copyright © Materials Research Society 1984

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References

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