Thermodynamics of oxygen in niobium-vanadium-oxygen solid solutions

Journal Article · Mon May 01 04:00:00 EDT 1978 · Scr. Metall.; (United States)

DOI:https://doi.org/10.1016/0036-9748(78)90253-3· OSTI ID:6534102

Steckel, G L; Altstetter, C

For dilute oxygen solutions vanadium significantly decreased the activity of oxygen in niobium-rich alloys and niobium has the same effect on vanadium-rich alloys, but to a lesser degree. These decreases in, the oxygen activity are due to decreases in the enthalpy of solution of the oxygen. For oxygen concentrations greater than roughly 3 at. %, the oxygen pressure deviates positively from Sieverts' law.

• Research Organization: Univ. of Illinois, Urbana
• OSTI ID: 6534102
• Journal Information: Scr. Metall.; (United States), Journal Name: Scr. Metall.; (United States) Vol. 12:5; ISSN SCRMB
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
CRYOGENIC FLUIDS
ELEMENTS
ENTHALPY
ENTROPY
FABRICATION
FLUIDS
MELTING
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
NONMETALS
OXYGEN
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PRESSURE DEPENDENCE
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
VANADIUM ALLOYS
VANADIUM BASE ALLOYS