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Title: Process of producing a ceramic matrix composite article and article formed thereby

Abstract

A CMC article and process for producing the article to have a layer on its surface that protects a reinforcement material within the article from damage. The method entails providing a body containing a ceramic reinforcement material in a matrix material that contains a precursor of a ceramic matrix material. A fraction of the reinforcement material is present and possibly exposed at a surface of the body. The body surface is then provided with a surface layer formed of a slurry containing a particulate material but lacking the reinforcement material of the body. The body and surface layer are heated to form the article by converting the precursor within the body to form the ceramic matrix material in which the reinforcement material is contained, and by converting the surface layer to form the protective layer that covers any fraction of the reinforcement material exposed at the body surface.

Inventors:
; ;
Issue Date:
Research Org.:
GE Global Research, Niskayuna, New York (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1176263
Patent Number(s):
7708851
Application Number:
11/163,618
Assignee:
General Electric Company (Niskayuna, NY)
Patent Classifications (CPCs):
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
DOE Contract Number:  
FC02-92CE41000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Corman, Gregory Scot, McGuigan, Henry Charles, and Brun, Milivoj Konstantin. Process of producing a ceramic matrix composite article and article formed thereby. United States: N. p., 2010. Web.
Corman, Gregory Scot, McGuigan, Henry Charles, & Brun, Milivoj Konstantin. Process of producing a ceramic matrix composite article and article formed thereby. United States.
Corman, Gregory Scot, McGuigan, Henry Charles, and Brun, Milivoj Konstantin. Tue . "Process of producing a ceramic matrix composite article and article formed thereby". United States. https://www.osti.gov/servlets/purl/1176263.
@article{osti_1176263,
title = {Process of producing a ceramic matrix composite article and article formed thereby},
author = {Corman, Gregory Scot and McGuigan, Henry Charles and Brun, Milivoj Konstantin},
abstractNote = {A CMC article and process for producing the article to have a layer on its surface that protects a reinforcement material within the article from damage. The method entails providing a body containing a ceramic reinforcement material in a matrix material that contains a precursor of a ceramic matrix material. A fraction of the reinforcement material is present and possibly exposed at a surface of the body. The body surface is then provided with a surface layer formed of a slurry containing a particulate material but lacking the reinforcement material of the body. The body and surface layer are heated to form the article by converting the precursor within the body to form the ceramic matrix material in which the reinforcement material is contained, and by converting the surface layer to form the protective layer that covers any fraction of the reinforcement material exposed at the body surface.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {5}
}

Patent:

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