INTERGRANULAR CORROSION OF COPPER AND ALPHA-CU-AL ALLOY BICRYSTALS

被引：41

作者：

YAMASHITA, M ^{[1
]}

MIMAKI, T ^{[1
]}

HASHIMOTO, S ^{[1
]}

MIURA, S ^{[1
]}

机构：

[1] KYOTO UNIV,FAC ENGN,DEPT ENGN SCI,KYOTO 606,JAPAN

来源：

PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES | 1991年 / 63卷 / 04期

关键词：

D O I：

10.1080/01418619108213908

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Intergranular corrosion in copper bicrystals with symmetrical [110] tilt boundaries and in Cu-9 at.% Al alloy bicrystals with symmetrical [110] and [100] tilt boundaries was investigated by examining the depths of corrosion grooves developed at the boundaries after an immersion test in acid solutions (modified Livingston's etchants) usually used to reveal lattice dislocations. On the plot of depth of penetration against misorientation, cusps (sharp minima) were observed at misorientations of 38.9-degrees, SIGMA = 9 (221), 70.5-degrees, SIGMA = 3 (111) and 129.5-degrees, SIGMA = 11 (113) in the [110] tilt boundaries of copper and Cu-9 at.% Al alloy, and at those of 22.6-degrees, SIGMA = 13a (015), 36.9-degrees, SIGMA = 5 (013), 43.6-degrees, SIGMA = 29a (025), 53.1-degrees, SIGMA = 5 (012) and 67.4-degrees, SIGMA = 13a (023) in the [100] tilt boundary of Cu-9 at.% Al alloy. The misorientation dependences of the penetration depth were compared with those of grain-boundary energies in copper and aluminium reported in the literature.

引用

页码：695 / 705

页数：11

共 26 条

[11] A NEW GRAPHIC REPRESENTATION OF GRAIN-BOUNDARY DISORIENTATION [J].