Cold spray chromium coating for nuclear fuel rods
Patent
·
OSTI ID:1632576
A method is provided for coating the substrate of a component, such as a zirconium alloy cladding tube, for use in a water cooled nuclear reactor under normal operating conditions and under high temperature oxidation conditions. The method includes heating a pressurized carrier gas to a temperature between 200° C. and 1200° C., adding chromium or chromium-based alloy particles having an average diameter of 20 microns or less to the heated carrier gas, and spraying the carrier gas and particles onto the substrate at a velocity, preferably from 800 to 4000 ft./sec. (about 243.84 to 1219.20 meters/sec.), to form a chromium and/or chromium-based alloy coating on the substrate to a desired thickness.
- Research Organization:
- Westinghouse Electric Company LLC, Cranberry Township, PA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- NE0008222
- Assignee:
- Westinghouse Electric Corp. (Cranberry Township, PA)
- Patent Number(s):
- 10,566,095
- Application Number:
- 15/284,076
- OSTI ID:
- 1632576
- Resource Relation:
- Patent File Date: 10/03/2016
- Country of Publication:
- United States
- Language:
- English
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