An iterative approach for kinetics parameter determination under anisotropic growth and constant heating rate condition
作者:    发表时间: 2017-05-02   阅读次数: 766次

An iterative approach for kinetics parameter determination under anisotropic growth and constant heating rate condition

 

Yunlu ZHANG and Jianfeng GU

 

Abstract: Based on an extended Johnson-Mehl-Avrami-Kolmogorov analytical phase transformation kinetics model, new recipes and an iterative approach were proposed to determine non-isothermal kinetic parameters including anisotropic impingement parameter, growth exponent n, activation energy of nucleation QN, activation energy of growth QG, temperature independent nucleation rate N0 and number of pre-existing nuclei per unit volume N* etc. Numerical examination approves the validity of the new approach by its better accuracy. (C) 2013 The Authors. Published by Elsevier B.V.

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