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An augmented numerical inverse method for determining the composition-dependent interdiffusivities in alloy systems by using a single diffusion couple

Published online by Cambridge University Press:  18 July 2016

Weimin Chen ,
Jing Zhong  and
Lijun Zhang
Weimin Chen
Affiliation:
State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, People's Republic of China
Jing Zhong
Affiliation:
State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, People's Republic of China
Lijun Zhang*
Affiliation:
State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, People's Republic of China
*
Address all correspondence to L. Zhang at xueyun168@gmail.com; lijun.zhang@csu.edu.cn
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Abstract

By solving the problems in the previous pragmatic method [Scr. Mater.90–91, 53–56 (2014)] and including the interdiffusion flux as the criteria, an augmented numerical inverse method was proposed and realized in a house-made code. The proposed augmented numerical inverse method was successfully applied to high-throughput determination of the composition-dependent interdiffusivities in different solid solution alloys ranging from binary, ternary to multicomponent systems by using a single diffusion couple. Moreover, the advance features of the augmented numerical inverse method were also demonstrated.

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Type
Research Letters
Information
MRS Communications , Volume 6 , Issue 3 , September 2016 , pp. 295 - 300
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Copyright
Copyright © Materials Research Society 2016 

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