SHAPE CHANGES DURING DISSOLUTION OF THETA-CUAL2

被引:14
作者
BROWN, LC
机构
[1] Univ of British Columbia, Dep of, Metallurgical Engineering,, Vancouver, BC, Can, Univ of British Columbia, Dep of Metallurgical Engineering, Vancouver, BC, Can
来源
METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 1984年 / 15卷 / 03期
关键词
ALUMINUM METALLOGRAPHY - Precipitation;
D O I
10.1007/BF02644968
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Square and similarly shaped precipitates become circular during dissolution at a rate controlled by saturation conditions. Shape change is little affected by diffusion fields from adjacent precipitates. Experimental measurements were made in aluminum-copper alloys. There was higher density of surface precipitates due to preferential nucleation. However, their dissolution characteristics were the same as bulk precipitates.
引用
收藏
页码:449 / 458
页数:10
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