Bond energy in palladium and platinum-rich alloys with the A4 transition metals

Unit cell parameters were measured for the binary palladium and platinum-rich alloys containing the A4 early transition metals (titanium, zirconium and hafnium). The composition dependence of the average atomic volume was investigated for the whole composition range of these binary systems. For the...

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Bibliographic Details
Published in:Journal of alloys and compounds 2004-03, Vol.366 (1-2), p.222-227
Main Author: ELLNER, M
Format: Article
Language:English
Subjects:
Alloys
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Metals. Metallurgy
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Summary:Unit cell parameters were measured for the binary palladium and platinum-rich alloys containing the A4 early transition metals (titanium, zirconium and hafnium). The composition dependence of the average atomic volume was investigated for the whole composition range of these binary systems. For the palladium and platinum-rich portions, the partial atomic volume and the partial molar enthalpy of formation are discussed. Both the volumetric and the thermodynamic quantities reveal a strong bond energy between atoms of the heavy A4 transition metals (zirconium and hafnium) and the heavy A10 transition metals (palladium and platinum).
ISSN:0925-8388
1873-4669
DOI:10.1016/S0925-8388(03)00757-6