Study of alpha-sigma phase transformation in mechanically alloyed Fe-Cr-Sn alloys

被引：0
|
作者：
Costa, BFO [1 ]
Le Caër, G
De Campos, NA
机构：
[1] Univ Coimbra, Dept Phys, P-3000 Coimbra, Portugal
[2] Ecole Mines, UMR CNRS 7584, LSG2M, F-54042 Nancy, France
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2001年 / 183卷 / 02期
关键词：
D O I：
10.1002/1521-396X(200102)183:2<235::AID-PSSA235>3.3.CO;2-Q
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The solubility of tin is significantly extended by mechanical alloying in near equiatomic Fe-Cr alloys. The influences of Sn concentration and of grain size on the kinetics of formation of the a-phase have been studied using different techniques. The sigma -phase formation is much faster for as-milled alloys than it is for conventional alloys. The sigma -phase formation rate decreases with the increase of Sn concentration in alloys with nanometer-sized grains as it does in coarse-grained alloys. The mechanisms which are responsible for the slowing-down of the alpha-sigma transformation are different in both kinds of alloys.
引用
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页码：235 / 250
页数：16
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