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Title: Cold spray chromium coating for nuclear fuel rods

Patent ·
OSTI ID:1925106

A zirconium alloy cladding tube for use in a water cooled nuclear reactor under normal operating conditions and under high temperature oxidation conditions is described. The cladding tube has a coating uniformly deposited thereon. The coating, which may be up to 300 microns thick, is selected from the group consisting of chromium, a chromium-based alloy, and combinations thereof.

Research Organization:
Idaho Operations Office, Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
NE0008222
Assignee:
Westinghouse Electric Company LLC (Cranberry Township, PA)
Patent Number(s):
11,443,857
Application Number:
16/573,544
OSTI ID:
1925106
Resource Relation:
Patent File Date: 09/17/2019
Country of Publication:
United States
Language:
English

References (17)

Improving deposition efficiency in cold spraying chromium coatings by powder annealing journal October 2018
Deposition of integrated protective material into zirconium cladding for nuclear reactors by high-velocity thermal application patent-application May 2014
Two-phase chromium-niobium alloys exhibiting improved mechanical properties at high temperatures patent February 1994
High temperature Cr-Zr interaction of two types of Cr-coated Zr alloys in inert gas environment journal April 2021
Fuel Rods with Wear-Inhibiting Coatings and Methods of Making the Same patent-application September 2014
Multilayer Material Resistant to Oxidation in aa Nuclear Environment patent-application February 2015
On the microstructures and cracking modes of Cr-coated Zr-4 alloys oxidized and vacuum-annealed at 1000 °C journal July 2022
Turbine Rotor Fabrication Using Cold Spraying patent-application April 2011
Fuel rod assembly and method for mitigating the radiation-enhanced corrosion of a zirconium-based component patent July 2014
Gas-dynamic spraying method for applying a coating patent April 1994
Cold spray coating: review of material systems and future perspectives journal December 2013
Characterization of as-deposited cold sprayed Cr-coating on Optimized ZIRLO™ claddings journal June 2021
Nuclear Fuel Claddings, Production Method Thereof and Uses of Same against Oxidation/Hydriding patent-application October 2017
Disposition of a Protective Coating Including Metal-Containing and Chromium-Containing Layers on Zirconium Alloy for Nuclear Power Applications patent-application December 2015
System and Method for Annealing Nuclear Fission Reactor Materials patent-application March 2010
Zirconium Alloy with Coating Layer Containing Mixed Layer Formed on Surface, and Preparation Method Thereof patent-application December 2013
Nuclear fuel cladding having an exterior comprising burnable poison in contact with aqueous reactor coolant patent March 2014

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