Grain boundary penetration of liquid Bi in Cu polycrystals

被引：20
|
作者：
Joseph, B
Barbier, F
Aucouturier, M
机构：
[1] CEA, CEREM, SCECF, F-92265 Fontenay Aux Roses, France
[2] Univ Paris Sud, Lab Met Struct, F-91405 Orsay, France
来源：
INTERGRANULAR AND INTERPHASE BOUNDARIES IN MATERIALS, IIB98 | 1999年 / 294-2卷
关键词：
grain boundary; grooving; penetration; embrittlement; liquid Bi; polycrystalline Cu;
D O I：
10.4028/www.scientific.net/MSF.294-296.735
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This gaper deals with intergranular phenomena occurring when copper polycrystals are exposed to liquid bismuth. Grain boundaries (Gbs) exhibit liquid grooving which depends on their crystallographic characteristics. Penetration of Bi is found along the Gbs, ahead of the groove tip. The phenomenon is thermally activated and the time dependence of the Cb penetration is described by linear kinetics. The crystal orientation effect on the intergranular liquid penetration is observed.
引用
收藏
页码：735 / 738
页数：4
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