Isothermal γ precipitation in a β Cu-Zn-Al alloy

被引：16

作者：

Castro, ML

Romero, R ^{[1
]}

机构：

[1] Comis Invest Cientif Provincia Buenos Aires, Buenos Aires, DF, Argentina

[2] Univ Nacl Ctr Provincia Buenos Aires, Fac Ciencias Exactas, Inst Fis Mat Tandil, IFIMAT, RA-7000 Buenos Aires, DF, Argentina

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1998年 / 255卷 / 1-2期

关键词：

isothermal; decomposition; Cu-Zn-Al alloy; precipitation;

D O I：

10.1016/S0921-5093(98)00792-8

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The isothermal decomposition of the beta phase in a Cu-18.52Zn-14.74Al (at.%) alloy was investigated. On ageing the alloy in the temperature range of 473 to 773 K, the beta phase was found to decompose by the precipitation of gamma and alpha phases. The growth rate of the gamma phase precipitates shows that the involved process is a classical diffusion-limited. During their growth, the precipitates show evidence of morphological splitting. By considering the elastic energies of various precipitates shapes, an effective size for splitting is predicted. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：1 / 6

页数：6

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