膜钯基合金的结构与相态、晶体几何及晶体化学参数

2015 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS) Pub Date : 2015-12-01 DOI:10.1109/MEACS.2015.7414957

V. Klopotov, T. N. Markova, A. Potekaev, A. N. Matunin, R. A. Kozyreva, A. Klopotov

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引用次数: 0

摘要

给出了二元Cu-Ni、Cu-Pd、Ni-Pd和三元Cu-Ni- pd体系的有序相平衡分析结果。结果表明，Cu-Ni、Cu-Pd和Ni-Pd二元体系在无序固溶体中的堆积指数接近于0.74，且与原子体积浓度依赖的Zen定律偏差不大。在具有B2结构的有序相中，堆积指数在40 at范围内显著降低。Cu-Pd二元系合金中的% Pd。揭示了氢渗透率的跃迁与原子组分有效尺寸的变化之间的关系。这种现象表现在B2结构有序相的堆积指数在40 at范围内显著降低。% Pd。

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Structural-and-phase states, crystallogeometric and crystallochemical parameters of membrane palladium-based alloys

The results of the analysis of the ordered phase equilibria in binary Cu-Ni, Cu-Pd, and Ni-Pd, and ternary Cu-Ni-Pd systems are presented. It has been established that the packing index in disordered solid solutions of binary systems Cu-Ni, Cu-Pd, and Ni-Pd is close to the value of 0.74, and is accompanied by an insignificant deviation from the Zen law of concentration dependences of atomic volumes. A significant decrease in the packing index has been observed in the ordered phase with a B2 structure in the range of 40 at.% Pd in alloys of the binary system Cu-Pd. The correlation between the jump in hydrogen-permeability and the change in the effective size of atoms-components has been revealed. This phenomenon manifests itself in a significant decrease in the packing index in the ordered phase with a B2 structure in the range of 40 at.% Pd.

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2015 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS)

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