MECHANICAL AND RESISTOMETRY STUDIES ON AL-ZN ALLOYS

被引：4
|
作者：
GABER, A
机构：
[1] Physics Department, Faculty of Science, Assiut University, Assiut
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 1990年 / 1卷 / 03期
关键词：
D O I：
10.1007/BF00694733
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Al+1.3, Al+3.2, Al+5.2 and Al+11.5 at % Zn alloys were studied by means of micro-hardness and the electrical resistivity measurements. The results showed that the additive hardness contribution of the solute zinc and the zinc precipitates to the microhardness of pure aluminium can be given by ΔHVs=22.2 CZn1.36 and ΔHVp=164 CZn1.05, respectively. On the other hand, the contributions of electron-phonon scattering and electron-impurity scattering to the resistivity increase at T>θ has been obtained. In addition, the characteristic temperatures of Guinier-Preston zone formation, the dissolution of the zones, the precipitation of the solute zinc atoms and the dissolution of the precipitates have been determined. © 1990 Chapman and Hall Ltd.
引用
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页码：137 / 142
页数：6
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