Coating for reducing corrosion of zirconium-based alloys induced

Details Coating for reducing corrosion of zirconium-based alloys induced Coating for reducing corrosion of zirconium-based alloys induced

1996-03-26

2000-10-03

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Corrosion or damage prevention

376327, G21C 710, G21F 108

Patent

active

061283614

ABSTRACT:
A technique for reducing the shadow corrosion effect in zirconium-based alloys caused by .beta.-particles emitted by adjacent components containing one or more elements that emit .beta.-particle flux when activated by neutron capture. The technique entails providing a coating capable of absorbing .beta.-particles, so as to mitigate the adverse effect of .beta.-particle bombardment of a zirconium-based alloy. Preferred coating materials include beryllia, beryllium, tin, zinc, chromium and cadmium. The coatings can be applied to various nuclear reactor structural alloys, such as stainless steel and nickel, platinum, copper, hafnium and yttrium-based alloys containing 0.2 weight percent manganese or more.

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