Activity-composition relations in platinum-chromium and platinum-vanadium alloys at 1500 degrees C

Activity-composition relations in Pt-Cr and Pt-V alloys were determined from equilibration of these alloys with Cr sub 2 O sub 3 and V sub 2 O sub 3 , resp., in CO sub 2 -H sub 2 atms of known pO sub 2 's, followed by quenching to RT and microprobe analyses of the quenched alloys. Both alloy sy...

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Veröffentlicht in:	Journal of the American Ceramic Society 1992-06, Vol.75 (6), p.1361-1363
1. Verfasser:	Pretorius, Eugene B
Format:	Artikel
Sprache:	eng
Schlagworte:	360102 - Metals & Alloys- Structure & Phase Studies 360104 - Metals & Alloys- Physical Properties 400201 - Chemical & Physicochemical Properties 664400 - Experimentally Derived Information on Atomic & Molecular Properties- (1992-) ACTIVATION ANALYSIS ALLOY SYSTEMS ALLOYS ATOMIC AND MOLECULAR PHYSICS BINARY ALLOY SYSTEMS CALCULATION METHODS CHARGED PARTICLES CHEMICAL ANALYSIS CHEMICAL COMPOSITION CHROMIUM ALLOYS CHROMIUM IONS ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES ELECTRON MICROPROBE ANALYSIS ELEMENTS EQUILIBRIUM INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IONIC CONDUCTIVITY IONS MATERIALS SCIENCE MICROANALYSIS NONDESTRUCTIVE ANALYSIS NONMETALS OXYGEN PARTIAL PRESSURE PHASE STUDIES PHYSICAL PROPERTIES PLATINUM ALLOYS PLATINUM METAL ALLOYS PRESSURE GRADIENTS QUENCHING STOICHIOMETRY THERMODYNAMIC PROPERTIES VANADIUM ALLOYS VANADIUM IONS
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Zusammenfassung:	Activity-composition relations in Pt-Cr and Pt-V alloys were determined from equilibration of these alloys with Cr sub 2 O sub 3 and V sub 2 O sub 3 , resp., in CO sub 2 -H sub 2 atms of known pO sub 2 's, followed by quenching to RT and microprobe analyses of the quenched alloys. Both alloy systems show strong negative deviations from Raoultian behavior.
ISSN:	0002-7820 1551-2916
DOI:	10.1111/j.1151-2916.1992.tb04195.x