Patent · US Active

Coating for protection against oxidation and against hot corrosion on a superalloy substrate

US10745800B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignee

SAFRAN AIRCRAFT ENGINES · FR

Inventors

Justine Menuey · Annecy, FR
Sarah Hamadi · Moissy-Cramayel, FR
Andre Malie · Châtellerault, FR

Key dates

Filing date	Nov 18, 2015
Grant date	Aug 18, 2020
Priority date	—
Expiry date	Nov 18, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12979
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

To protect a superalloy substrate from oxidation and hot corrosion, disclosed herein is coating made by a process that deposits successive layers on the substrate, a first layer of aluminium and of at least one element capable of being alloyed with sulphur, and a second layer of a material that isolates the at least one element capable of being alloyed with sulphur.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.