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MECHANICALLY SELF-RELIANT RECESSION BARRIER

IP.com Disclosure Number: IPCOM000250275D
Publication Date: 2017-Jun-21
Document File: 3 page(s) / 237K

Publishing Venue

The IP.com Prior Art Database

Abstract

A mechanically self-reliant recession barrier for ceramic matrix composite (CMC) is disclosed. The recession barrier adheres to the proximity of CMC substrate and shields CMC from the effect of combustion gas, by its own geometrical and mechanical integrity.

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MECHANICALLY SELF-RELIANT RECESSION BARRIER

BACKGROUND

 

The present disclosure relates generally to ceramic coating material and more particularly to mechanically self-reliant recession barrier.

The direct bonding between environmental barrier coating (EBC) and ceramic matrix composites (CBC) usually faces a lot of compatibility challenges. Such compatibility challenges cannot be solved with mere material solutions.

It would be desirable to have an efficient alternative approach that provides recession barrier for ceramic matrix composites.

BRIEF DESCRIPTION OF DRAWINGS

Figure 1 depicts an illustration of recession barrier surrounding the ceramic matrix composite part.

Figure 2 depicts the interdisciplinary laboratory (IDL) score for recession barrier.

Figure 3 depicts the adhesion of the recession barrier with the ceramic matrix composite part.

DETAILED DESCRIPTION

A mechanically self-reliant recession barrier for ceramic matrix composite (CMC) is disclosed. The recession barrier adheres to the proximity of CMC substrate and shields CMC from the effect of combustion gas, by its own geometrical and mechanical integrity.

As depicted in figure 1, the recession barrier serves like a jacket to the CMC parts rather than a skin. Hence, the barrier serves only the wrap-around configuration of the CMC parts. The layer exists in the form of a felt, woven cloth or a lay-up of fibers and fits tightly to the CMC part.


Figure 1

As depicted in figure 2, the strong interdisciplinary labo...