Composite nuclear component, DLI-MOCVD method for producing same, and uses for controlling oxidation/hydridation

US12354757B2 · kind B2 · utility

Assignee

• COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

• Frédéric SCHUSTER · Poissy, FR
• Fernando Lomello · Gif-sur-Yvette, FR
• Francis Maury · Mimizan, FR
• Alexandre MICHAU · Toulouse, FR
• Raphaël Boichot · Domène, FR
• Michel Pons · Vence, FR

Key dates

• Filing date: Jun 1, 2023
• Grant date: Jul 8, 2025
• Expiry date: Jun 1, 2043

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E30/30
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Composite nuclear component comprising i) a support containing a substrate comprising a metallic material and a ceramic material (1), the substrate (1) being coated or not coated with an interposed layer (3) positioned between the substrate (1) and at least one protective layer (2) and ii) the protective layer (2) composed of a protective material comprising chromium; the process comprising a step a) of vaporizing a mother solution followed by a step b) of depositing the protective layer (2) onto the support via a DLI-MOCVD deposition process. The composite nuclear component has improved resistance to oxidation and/or migration of undesired material. The invention also relates to the use of the composite nuclear component for combating oxidation and/or degradation of the ceramic material contained in the substrate.