Hydrogen pick‐up during corro‐sion of zirconium alloys. Several factors such as alloy composition, hydrogen content of the alloy, surface hydrides and hydrogen content of the water have been investigated for their effect upon the amount of hydrogen picked up by zirconium alloys during corrosion in 680°F. water. Metallic additions of nickel increase hydrogen pick‐up, antimony, chromium, and iron appear to decrease the hydrogen pick‐up, while the addition of tin has little or no effect. The hydrogen content of the metal (50 to 4,000 p.p.m.) or of the water (0 to 2 atm. of hydrogen pressure) does not appreciably change the amount of hydrogen picked up by the alloys covered in the report (B.M.I.X. 1380, price $0.75).
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