Proton recoil as a source of hydrogen in reactor materials

Author / Creator

Willis, A. H. (Albert Henry)

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Physical

Summary

Zircaloy-2 foils have been irradiated and the hydrogen pickup measured. During one week in the Engineering Test Reactor in a fast neutron flux of 1.3 x 10p14s, the pickup by a 2-mil-thick foil was ...

Zircaloy-2 foils have been irradiated and the hydrogen pickup measured. During one week in the Engineering Test Reactor in a fast neutron flux of 1.3 x 10p14s, the pickup by a 2-mil-thick foil was 28 and 30 ppm. The predicted gain by proton recoil was 41 ppm, and that from corrosion, nil. Proton recoil is not considered to be a major factor in hydrogen pickup by zirconium in water-cooled reactors.

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