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G. H. Koch and D. T. Kolijn: “The heat treatment of the commercial aluminium alloy 7075.” Journal of Heat Treating, Vol.1, No 2 p.3 (1979).

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Article

Contribution of the GP Zones to the Hardening and to the Electrical Resistivity in Al10at.%Ag Alloy

1Solids solutions laboratory, physics faculty USTHB, BP 32, El-Alia, Algiers, Algeria


American Journal of Materials Science and Engineering. 2015, Vol. 3 No. 1, 7-10
DOI: 10.12691/ajmse-3-1-2
Copyright © 2015 Science and Education Publishing

Cite this paper:
Faiza Lourdjane, Azzeddine Abderrahmane Raho. Contribution of the GP Zones to the Hardening and to the Electrical Resistivity in Al10at.%Ag Alloy. American Journal of Materials Science and Engineering. 2015; 3(1):7-10. doi: 10.12691/ajmse-3-1-2.

Correspondence to: Azzeddine  Abderrahmane Raho, Solids solutions laboratory, physics faculty USTHB, BP 32, El-Alia, Algiers, Algeria. Email: lourdjane_faiza@yahoo.fr; raho_azzeddine@yahoo.fr

Abstract

Using microhardness and electrical resistivity measurements, the contributions of the matrix and that of the Guinier-Preston zones to the hardening and to the electrical resistivity of the Al10at.%Ag alloy are determined separately during the Guinier-Preston zones precipitation. A linear correlation between the hardness and the electrical resistivity of the as quenched alloys exists. There is also a linear relationship between the contribution of the matrix to the hardening and that to the electrical resistivity of the isothermal aged alloy. However, no linear relation exists between the hardness and the electrical resistivity of the isothermal aged alloy.

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