ISOTHERMAL CRYSTALLIZATION KINETICS OF BALL-MILLED AMORPHOUS AL-NI-ZR ALLOY

被引：0
|
作者：
GAO, WL
DU, YW
WANG, KY
QUAN, MX
WANG, JT
机构：
来源：
ACTA PHYSICA SINICA-OVERSEAS EDITION | 1995年 / 4卷 / 02期
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O4 [物理学];
学科分类号：
0702 ;
摘要：
The isothermal crystallization kinetics of amorphous Al-Ni-Zr alloy produced by mechanical alloying was studied by means of differential scanning calorimetry. According to Arrhenius equation, the apparent activation energy was calculated. The isothermal crystallization kinetics follows Johnson-Mehl-Avrami equation with n=2.00 within 0.15 < x < 0.85, x being the volume fraction crystallized. For understanding the isothermal crystallization process in detail, the concepts of local Avrami exponent and local activation energy have been introduced into this Al-Ni-Zr system.
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页码：113 / 117
页数：5
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