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Relation Between the Electrical Resistivity and the First Stages of Precipitation

Published online by Cambridge University Press:  21 February 2011

G. Vigier ,
J.M. Pelletier  and
J. Merlin
G. Vigier
Affiliation:
Groupe d'Etudes de Métallurgie Physique et de Physique des Matériaux LA 341 INSA de LYON Bat., 502 69621, Villeurbanne, France
J.M. Pelletier
Affiliation:
Groupe d'Etudes de Métallurgie Physique et de Physique des Matériaux LA 341 INSA de LYON Bat., 502 69621, Villeurbanne, France
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Abstract

Recent theories make it possible to think that electrical resistivity measurements could provide quantitative informations about the microstructural evolution. These theories are tested by studying the influence of the measuring temperature TM. Our experiments show that when spherical G.P. zones appear in AI-Zn and Al-kg no influence of TM is observed, while the formation of plate-like G.P zones in Al-Cu and Cu-Be alloys induce electrical variations function of TM . This morphology effect is roughly predicted by the theoretical models buv supplementary parameters must be taken into account to obtain a quantitative explanation of experimental results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983 , 501
Copyright
Copyright © Materials Research Society 1984

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References

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