1976•Philosophical magazineRequires access
Correlation between resistivity increment and volume fraction of G.P. zones in an Al-3·2 wt % Zn-2·2 wt % Mg alloy
J. Lendvai, T. Ungár, I. Kovács, Géza I. Groma
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Abstract
The correlation between resistivity increment caused by G.P. zones and their volume fraction has been investigated in an Al-3·2 wt % Zn-2·2 wt % Mg alloy. It is found that the resistivity increment is a linear function of the 2/3 power of the volume fraction. The results show that the resistivity increase is mainly determined by the total volume of zones and is not sensitive to their size distribution