Hydrogen absorption properties of topologically close-packed phases of the Nb-Ni-Al system

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作者：
机构：
[1] Joubert, J.-M.
[2] Pommier, C.
[3] Leroy, E.
[4] Percheron-Guégan, A.
来源：
Joubert, J.-M. (jean-marc.joubert@glvt-cnrs.fr) | 1600年 / Elsevier Ltd卷 / 356-357期
关键词：
Absorption - Crystal structure - Hydrogen - Hydrogenation - Niobium alloys - Structure (composition) - X ray diffraction analysis;
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摘要：
The ternary Nb-Ni-Al system presents four different topologically close-packed structures (in addition to a C14 phase), among which one is purely ternary (M phase) and one extends significantly in the ternary field (μ phase). Structural refinements from X-ray diffraction data for two of those phases (A15 Nb-Al, σ Nb-Al) are presented with a special emphasis on the structural order. Hydrogenation properties are characterized for the four phases, as a function of Nb and Al compositions for the μ phase, and are tentatively rationalized. © 2002 Elsevier B.V. All rights reserved.
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