Hydrogen and deuterium transport through type 304 stainless steel at elevated temperatures.

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概要

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• The permeation time-lag method have been used to determine the permeabilities, diffusion coefficients and solubilities of hydrogen and deuterium in type 304 stainless steel of three kinds of surface treated specimens ; with oxide film, reduced by H<SUB>2</SUB> gas and Pd coated. For the specimen with a thin oxide film the permeability increased abruptly at the temperature higher than 1, 050 K owing to reduction of the oxide film by H<SUB>2</SUB> gas introduced. The permeability and diffusion coefficient for hydrogen-reduced specimens agreed with those for Pd-coated specimens showing the data of bulk diffusion limited. The isotope effects for permeability Φ<SUB>H</SUB>/Φ<SUB>D</SUB>, diffusion coefficient D<SUB>H</SUB>/D<SUB>D</SUB> and solubility were about 1.4, 1.2 and 1.1, respectively. From these values θ(=hν/k) =1, 530±50K and θ' (=hν'/k) =2, 740±20K were obtained by the quantum effect of a harmonic approximation.

• 一般社団法人 日本原子力学会の論文

著者

• Furukawa Kazuo

  Molten Material Laboratory Division Of Nuclear Fuel Research Japan Atomic Energy Research Institute

• FURUKAWA Kazuo

  Molten Materials Laboratory, Division of Nuclear Fuel Research,Japan Atomic Energy Research Institute

• KATSUTA Hiroji

  Molten Materials Laboratory, Division of Nuclear Fuel Research,Japan Atomic Energy Research Institute

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• Hydrogen and deuterium transport through type 304 stainless steel at elevated temperatures.

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