Abstract

The temperature dependence of the impurity resistivity in AlCr and AlMn alloys can be described by a T2 law which changes gradually to a linear T-dependence. The ‡ϱ(T)/‡ϱ(0) curves for AlCr can be scaled on the curves of AlMn by reducing the temperatures scale. Near to the melting point of Al the impurity resistivity versus atomic number of the impurities exhibits a double peak. La resistivitédes impuritiés dans les Aliiages AlCr et AlMn pentétre decrite par une dependence en temperature en T2. Elle change graduellement en loi lineaire en temperature T. Une reduction de l'echelle de temperature fait coincider la courba Δϱ(T)/Δϱ(0) de l' AlCr avec celle de l' AlMn. Prés du point de fusion de l' Al, la resistivitédes impurités présentéune double pic en fonction du numero atomique.

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