Impurity diffusion of scandium in aluminum

被引：115

作者：

Fujikawa, SI ^{[1
]}

机构：

[1] TOHOKU UNIV,FAC ENGN,DEPT MAT SCI,SENDAI,MIYAGI 98077,JAPAN

来源：

DEFECT AND DIFFUSION FORUM | 1997年 / 143卷

关键词：

impurity diffusion; Al-Sc alloy; scandium; aluminum; transition element; impurity diffusion coefficient;

D O I：

10.4028/www.scientific.net/DDF.143-147.115

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The impurity diffusion coefficients of Sc in aluminum single crystals between 813 K and 928 K were determined using serial-sectioning method and Se-44m (t(1/2)=2.11x10(5)s) prepared by a photonuclear reaction. The temperature dependence of the impurity diffusivity is expressed by: D=5.31x10(-4)exp(-173 kJ mol(-1)/RT) m(2)s(-1). The results are compared with those of other transition elements in aluminum.

引用

页码：115 / 120

页数：6

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