Effect of thermodynamics on transformation kinetics; analysis of recipes

Effect of thermodynamics on transformation kinetics; analysis of recipes
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热力学对转化动力学的影响;

DOI:
10.1016/j.jnoncrysol.2013.06.002
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发表时间:
2013-10
影响因子:
3.5
通讯作者:
Song SJ
Song SJ
中科院分区:
材料科学2区
文献类型:
--
作者:
Jiang YH;Liu F;Song SJ

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相似文献

对于在平衡相变温度附近发生的相变,热力学项对相变动力学有重要影响,从而影响动力学分析的结果。因此,两种类型的热力学项(即,温度和转化分数依赖项)对传统动力学配方分析的影响。Kissinger图和Starink-Zahra图的结果受温度相关热力学项的影响。Ozawa图、Avrami图和Starink-Zahra图的结果受到变换后的分数依赖热力学项的影响。采用非等温差示扫描量热法(DSC)测定了纯锆hcp/bcc同素异形相变的动力学参数,并通过传统的动力学配方分析确定了该相变的动力学参数。结果进一步证实了理论分析。
For transformations occurring in the vicinity of equilibrium transformation temperature, the thermodynamic terms affect significantly the transformation kinetics and thus the results of kinetic analyzing. Accordingly, the effects of two types of thermodynamic terms (i.e., temperature- and transformed fraction-dependent terms) on the traditional kinetic recipe analyzing are evaluated. The results of the Kissinger plot and the Starink–Zahra plot are influenced by temperature-dependent thermodynamic term. The results of the Ozawa plot, the Avrami plot and the Starink–Zahra plot are affected by transformed fraction-dependent thermodynamic terms. The kinetic parameters of the hcp/bcc allotropic phase transformation in pure Zr as measured by non-isothermal differential scanning calorimetry are determined by the traditional kinetic recipe analyzing. The results further confirm the theoretical analysis.
DOI: 10.1007/bf02817892
发表时间: 1976-11
期刊: Metallurgical Transactions A
影响因子: --
作者:
A. Akhtar
通讯作者: A. Akhtar
DOI: 10.1007/s11837-006-0182-x
发表时间: 2006
期刊: JOM
影响因子: 2.6
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DOI: 10.1021/ac60131a045
发表时间: 1957-01-01
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