Fan-like structure in rapidly-quenched Al-Sc alloys

被引：0
|
作者：
Berezina, AL
Chuistov, KV
Monastyrs'ka, TO
Segida, OO
Schmidt, U
Kotko, AV
Lad'yanov, VI
Bel'tyukov, AL
Volkov, VA
机构：
[1] GV Kurdyumov Met Phys Inst, UA-03680 Kiev, Ukraine
[2] Russian Acad Sci, Phys Tech Inst, Izhevsk 426000, Russia
来源：
METALLOFIZIKA I NOVEISHIE TEKHNOLOGII | 2003年 / 25卷 / 12期
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A study of the structure of the Al-(1-2)%wt. Sc binary allows quenched from a liquid state from the temperatures 1000degreesC and 1400degreesC is carried out. After quenching from a temperature below 1000degreesC, a vortex-type structure is revealed and related to the fan-like structure. It is consisting of precipitations of the surplus Al3Sc-type phase. As shown, the fan-like structure has a crystallization origin, and it is described as a fractal structure. The measurement of kinematic viscosity of a melt allows elucidating a structural transformation in a liquid.
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页码：1543 / 1551
页数：9
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