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KINETICS OF THE REACTION OF HYDROGEN WITH ZIRCONIUM-TITANIUM ALLOY

Journal Article · · Journal of Inorganic and Nuclear Chemistry (England) Merged with Inorg. Nucl. Chem. Lett. to form Polyhedron

The rate of reaction between zirconium-- titanium alloys, containing 50 and 55 atomic per cent zirconium and hydrogen, was studied under static and flow conditions. It was shown that under most conditions studied the reaction is first order. The effect of surface state and of impurities in the hydrogen on the reaction was investigated. For comparable static and flow experiments at 550 deg C the reaction rates determined were 2 x 10/sup -6/ g/cm/sup 2/ min mmHg and 0.5 x 10/sup -6/ g/cm/sup 2/ min mm Hg, respectively. The calculated activation energies for the reaction are 4.1 kcal/mole between 400 and 520 deg C, and 15.7 kcal/mole between 520 and 600 deg C. A brief comparative study with unalloyed zirconium showed the reaction to be flrst order and gave an activation energy of 17.3 kcal/mole between 400 and 470 deg C. (auth)

Research Organization:
United Kingdom Atomic Energy Authority, Capenhurst, Chester, Eng.
NSA Number:
NSA-17-027347
OSTI ID:
4688109
Journal Information:
Journal of Inorganic and Nuclear Chemistry (England) Merged with Inorg. Nucl. Chem. Lett. to form Polyhedron, Journal Name: Journal of Inorganic and Nuclear Chemistry (England) Merged with Inorg. Nucl. Chem. Lett. to form Polyhedron Vol. Vol: 25; ISSN JINCA
Country of Publication:
Country unknown/Code not available
Language:
English