Rtx Corporation

Juan Gomez

Nizar Zahed

A blade outer air seal includes a center web having a radially inner face and a radially outer face, at least one mounting arm extending from the radially outer face, and a coating disposed on the radially inner face. The coating includes an environmental barrier coating layer and an abradable layer disposed on the environmental barrier layer. The abradable layer has a porosity of between about 15 percent and about 40 percent. A gas turbine engine and a method of protecting a blade outer air seal are also disclosed.

Ceramic matrix composite component with coating

A blade outer air includes a center web having a radially inner face and a radially outer face, at least one mounting arm extending from the radially outer face, and a graded coating disposed on the radially inner face. The graded coating has an abradable component in a first region and a protective component in a second region. The abradable component has a higher porosity than the protective component. A gas turbine engine and a method of protecting a blade outer air seal are also disclosed.

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El Paso, TX, United States of America

Juan Gomez