Fuel rods with wear-inhibiting coatings

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United States of America Patent

PATENT NO 10957456
APP PUB NO 20180254110A1
SERIAL NO

15911536

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Nuclear reactor components are treated with thermal methods to increase wear resistance. Example treatments include thermal treatments using particulate or powderized materials to form a coating. Methods can use cold spray, with low heat and high velocities to blast particles on the surface. The particles impact and mechanically deform, forming an interlocking coating with the surface and each other without melting or chemically reacting. Materials in the particles and resultant coatings include metallic alloys, ceramics, and/or metal oxides. Nuclear reactor components useable with methods of increased wear resistance include nuclear fuel rods and assemblies containing the same. Coatings may be formed on any desired surface, including fuel rod positions where spacer contact and fretting is most likely.

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Patent Owner(s)

  • GLOBAL NUCLEAR FUEL — AMERICAS, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cantonwine, Paul E Wilmington, US 7 19
Clark, Timothy W Wilmington, US 11 202
Gullette, Nicholas R Wilmington, US 2 14
Lau, Yuk-Chiu Schenectady, US 60 866
Ledford, Kevin L Wilmington, US 9 120
Lin, Yang-Pi Wilmington, US 14 65
White, David W Wilmington, US 59 1127

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