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题名: An effective method to calculate the composition-dependent interdiffusivity with one diffusion couple
作者: Cheng, KM;  Zhou, JX;  Xu, HX;  Tang, SQ;  Yang, YS
发表日期: 2018-2-15
摘要: Previous numerical inverse method to calculate composition-dependent interdiffusivity with one diffusion couple can encounter with low calculation efficiency due to the unavoidable diffusion simulation procedure. The present work applies the numerical inverse method to the integrated form of diffusion equation, degenerating the original inverse problem into a linear multi-objective optimization problem, which can be solved with dramatically increased calculation efficiency while maintaining the overall accuracy. The current method is verified in the fcc phase of the Al-Mg, Al-Mg-Zn, Al-Mg-Zn-Cu system as well as the intermetallic compounds of the Al-Mg system. The increment in computation efficiency is discussed. (C) 2017 Elsevier B.V. All rights reserved.
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Recommended Citation:
Cheng, KM,Zhou, JX,Xu, HX,et al. An Effective Method To Calculate The Composition-dependent Interdiffusivity With One Diffusion Couple[J]. Computational Materials Science,2018,143:182-188.

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