Carbon diffusion in copper-based metal matrix composites

被引：15

作者：

Dorfman, S ^{[1
]}

Fuks, D ^{[1
]}

机构：

[1] BEN GURION UNIV NEGEV,DEPT MAT ENGN,IL-84105 BEER SHEVA,ISRAEL

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 1995年 / 51卷 / 01期

关键词：

copper; metal matrix composite; diffusion; zirconium;

D O I：

10.1016/0924-4247(96)80044-6

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：

The heights of diffusion barriers for copper-based composite materials with carbon whiskers or fibers are calculated. It is shown that the alloying of the matrix by an additional element, substituting copper in an interstitial Cu-C solid solution changes the value of the barrier and the migration entropy. These substitutional impurities significantly influence the diffusivity of carbon in the copper matrix. Zirconium is predicted as the best alloying element for preventing the diffusion of carbon in Cu-C alloy.

引用

页码：13 / 16

页数：4