Crystal structure and morphology of a rare-earth compound in Cu-12 wt.% Ag

被引：22

作者：

Liu, J. B. ^{[1
]}

Zeng, Y. W. ^{[2
]}

Meng, L. ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ, Ctr Anal & Measurement, Hangzhou 310028, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 468卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

Rare-earth alloys and compounds; Microstructure; Crystal structure; Transmission electron microscopy; TEM; CU-AG; MECHANICAL-PROPERTIES; HIGH-STRENGTH; MICROSTRUCTURE; DRAWN; ADDITIONS; CR;

D O I：

10.1016/j.jallcom.2007.12.070

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

0.3 wt.% rare-earth elements were added into Cu-12 wt. % Ag and sonic compound particles were observed in the eutectic colonies. The chemical composition and crystal structure of the compound were determined. The compound containing rare-earth elements can be represented as (Cu, Ag)(6)(Ce, La) and has a similar crystal structure to Cu6Ce of orthorhombic system. The (Cu, Ag)(6) (Ce, La) particles are hardly deformed during cold drawing. There is, an incoherent interface between file compound and Ag-rich phase. Higher strain concentration and dislocation density lire presented in lite local region of Ag filament,, close to the particles in the alloy of heavy drawing. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：73 / 76

页数：4

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