Protective coating to reduce stress corrosion cracking in zirconium alloy sheathing
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United States of America Patent
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Sep 8, 1998
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N/A
app pub date -
Apr 10, 1997
filing date -
Apr 10, 1997
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Abstract
A protective coating to reduce stress corrosion cracking of zirconium alloy sheathing in nuclear reactors. The coating is graphite based and includes ZrO.sub.2 and ethyl cellulose and acts as a sacrificial layer to immobilize fission products by formation of Zr.sub.x I.sub.y C type compounds which do not cause stress corrosion cracking.
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