期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 473, 期 1-2, 页码 152-156出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2008.05.103
关键词
Kissinger's equation; Isochronal; Transformation; Crystallization
资金
- New Century Excellent Person Supporting Project [NCET-05-870]
- Fundamental Research Project of National Defense of China [A2720060295]
- Fundamental Research Fund of Northwestern Polytechnical University
- Scientific Research Foundation for the Returned Overseas Chinese Scholars
- State Education Ministry [N6CJ0002]
- Huo Yingdong Young Teacher Fund [111052]
- Natural Science Foundation of China [50501020, 50771084]
Applying numerical calculations for isochronal transformations on heating assuming site saturation or continuous nucleation, the applicability of Kissinger's equation was examined, in combination with an analytical transformation model. Only if in the temperature integral the starting temperature for the transformation T is sufficiently larger than T-0, which indicates the temperature of the initial state, an exact value for effective activation energy Q can be deduced using Kissinger's equation. In the meantime, a recipe, derived from the transformation rate, is proved to be applicable to isochronal transformations, independent of T-0. (C) 2008 Elsevier B.V. All rights reserved.
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