Patent · US Active

Protective layer for a ceramic matrix composite article

US10745325B2 · kind B2 · utility

3Cited by

18References

20Claims

0Family size

Assignee

Rolls-Royce High Temperature Composites, Inc. · US

Inventors

Sungbo Shim · Irvine, US
Michael G. Abbott · North Palm Beach, US

Key dates

Filing date	Dec 18, 2017
Grant date	Aug 18, 2020
Priority date	—
Expiry date	Jul 18, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/616
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method including infiltrating a porous fiber preform with a slurry including a carrier fluid and a first plurality of solid particles wherein the first plurality of solid particles includes at least a first ceramic material, drying the slurry to form a greenbody preform, machining the greenbody preform to a target dimension, depositing a protective layer precursor including a second plurality of solid particles on the machined greenbody preform wherein the second plurality of solid particles includes at least a second ceramic material, and infiltrating the machined greenbody preform with a molten infiltrant to form a composite article including an integral protective layer.

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