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The generalization of the Boltzmann-Matano method

机译:Boltzmann-Matano方法的推广

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The phenomenological Boltzmann-Matano (B-M) analysis allows approximating the concentration dependent interdiffusion coefficients related to infinite binary diffusion couple experiments. However, the complete understanding of the phenomenological process related to the Kirkendall plane position coupled with the B-M method is still lacking. A purpose of the present study is to generalize the Boltzmann-Matano analysis and propose a method of estimating the unique intrinsic diffusion coefficients of components from the experimental concentration profile and the positions of Matano and Kirkendall planes in multicomponent systems. The proposed physico-chemical approach is used to approximate the intrinsic diffusivities in a single phase of Ni-Pd binary and Cu-Fe-Ni ternary diffusion couples.
机译:现象学的Boltzmann-Matano(B-M)分析可以近似估算与无限二元扩散偶实验相关的浓度相关的互扩散系数。但是,仍然缺乏对与柯肯德尔平面位置相关的现象学过程以及B-M方法的完整理解。本研究的目的是推广玻尔兹曼-马塔诺分析,并提出一种从实验浓度分布以及多组分和马塔诺和柯肯德尔平面的位置估计组分的独特固有扩散系数的方法。所提出的物理化学方法被用于近似Ni-Pd二元和Cu-Fe-Ni三元扩散对的单相中的固有扩散率。

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