Effect of Mg content on trapping efficiency in the Al-Mg system using PAS

被引：0

作者：

Kamel, N.A. ^{[1
]}

机构：

[1] Faculty of Science, Physics Department, El-Minia University

来源：

Defect and Diffusion Forum | 2007年 / 265卷

关键词：

Cross-section; Deformation; Positron lifetime; S-parameter; Trapping efficiency;

D O I：

10.4028/3-908451-42-6.7

中图分类号：

学科分类号：

摘要：

PLT and the Doppler broadening S-parameter were used to characterize the Al-Mg alloys, AA5005, AA5051, AA5052 and AA5083. The trapping efficiencies of these alloys were estimated to be 2.42 × 109, 2.29 × 109, 2.24 × 109 and 2.27 × 109 s-1 cm3, respectively, and the corresponding trapping cross-sections were estimated to be 2.66 × 10-16, 2.14 × 10-16, 2.10 × 10-16 and 3.51 × 10 -16 cm2. It was found to be very clear that the mean lifetime and S-parameter exhibited the same behaviour as a function of the degree of deformation, and that they saturated at the same degree of thickness reduction.

引用

页码：7 / 11

页数：4