Reactions of molybdenum and tungsten with nitrate-nitrite melts

Journal Article · Sun Jul 10 04:00:00 EDT 1988 · J. Appl. Chem. USSR (Engl. Transl.); (United States)

OSTI ID:6115804

Yurkinskii, V P; Firsova, E G; Morachevskii, A G

The authors have examined the reactions of molybdenum and tungsten with molten mixtures of KNO/sub 3/-NaNO/sub 2/ (up to 60 mole % NaNO/sub 2/) and KNO/sub 2/-NaNO/sub 2/ mixtures (66 mole % NaNO/sub 2/) at 443-673 K. Gravimetric corrosion-loss measurements were made in argon. Preliminary tests showed that nitrite added to a nitrate liquid alters the reaction. They used eutectic mixtures to examine the effects of temperature on the corrosion rate. The rates increased with temperature, being appreciably higher for tungsten as against molybdenum.

• OSTI ID: 6115804
• Journal Information: J. Appl. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Appl. Chem. USSR (Engl. Transl.); (United States) Vol. 61:1; ISSN JAPUA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ACTIVATION ENERGY
ALKALI METAL COMPOUNDS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CORROSION
CORROSION PRODUCTS
CORROSIVE EFFECTS
DISSOLUTION
ELEMENTS
ENERGY
EUTECTICS
KINETICS
METALS
MOLTEN SALTS
MOLYBDENUM
NITRATES
NITRITES
NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
POTASSIUM NITRATES
REACTION KINETICS
SALTS
SODIUM COMPOUNDS
SODIUM NITRATES
TRANSITION ELEMENTS
TUNGSTEN
VISCOSITY