PRECIPITATION IN CU-RICH CO-TI TERNARY ALLOYS

被引：12
|
作者：
MINEAU, L
HAMARTHIBAULT, S
ALLIBERT, CH
机构：
[1] Institut National Polytechnique de Grenoble, E.N.S.E.E.G, L.T.P.C.M, associé aux C.N.R.S., U.R.A. 29, Saint Martin D'Hères
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1992年 / 134卷 / 01期
关键词：
D O I：
10.1002/pssa.2211340107
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The decomposition of two dilute Cu-Co-Ti alloys is investigated by resistivity measurements, transmission electron microscopy, and analytical scanning transmission electron microscopy. The Cu - 1%CoTi alloy shows a quasi-binary behaviour. Even after annealing at 950-degrees-C and quenching, ''primary'' CoTi precipitates are present. After annealing at 525 to 600-degrees-C, a large amount of small CoTi precipitates was observed in Cu. Despite the ''primary'' CoTi precipitates and the very low solute content, a large initial driving force for the precipitation of CoTi explains the easy homogeneous nucleation of a significant amount of precipitates.
引用
收藏
页码：93 / 105
页数：13
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