CORRELATIONS WITH P-C(N)-T RELATIONSHIPS OF STRAIN GRADIENT DEPENDENT HYDROGEN DIFFUSION IN PD81PT19HN MEMBRANES

被引：39

作者：

KANDASAMY, K

LEWIS, FA

MAGENNIS, JP

MCKEE, SG

TONG, XQ

机构：

[1] School of Chemistry, Queen’s University

[2] Visitor from Dept. of Physics, University of Jaffna

[3] Visitor from Dept. of Materials Science and Engineering, Tsinghua University, Beijing

来源：

ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 1991年 / 171卷

关键词：

UPHILL HYDROGEN DIFFUSION; P-C(N)-T RELATIONSHIPS; GORSKY EFFECT; DIFFUSION-ELASTIC EFFECT;

D O I：

10.1524/zpch.1991.171.Part_2.213

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrogen diffusion fluxes in opposite directions to overall hydrogen concentration gradients have been recorded in studies with tubular membranes of Pd81Pt19 alloys. Phenomena have been attributed to lattice strain gradient induced combinations of Diffusion Elastic and Gorsky Effects associated with the lattice expansive influences of hydrogen interstitials. Magnitudes of the effects have been correlated with hydrogen contents of the membranes, catalytic activities of the membrane surfaces and with changes of the interior volume of the tubular membranes.

引用

页码：213 / 229

页数：17

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