Kinetics of the crystallization in amorphous NiTi thin films

被引：33
作者：
Liu, K. T. [1 ]
Duh, J. G. [1 ]
机构：
[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 300, Taiwan
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2007年 / 353卷 / 11-12期
关键词：
amorphous metals; metallic glasses; alloys; crystallization;
D O I：
10.1016/j.jnoncrysol.2007.01.006
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The crystallization kinetics in Ni50.54Ti49.46 film was studied by differential scanning calorimetry through continuous heating and isothermal annealing. The activation energy for crystallization was determined to be 411 and 315 kJ/mol by Kissinger and Augis & Bennett method, respectively. In the isothermal annealing study, The Avrami exponents were in the range of 2.63-3.12 between 793 and 823 K, suggesting that the isothermal annealing was governed by diffusion-controlled three-dimensional growth for Ni50.54Ti49.46 thin films. (C) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：1060 / 1064
页数：5
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