Article: CERAMIC MATRIX COMPOSITE SEALS PROVING RELIABLE FOR JET ENGINE NOZZLES

The U.S. Air Force Aeronautical Systems Center issued the following press release:

By Pete Meltzer, Jr. AFRL Materials & Manufacturing Directorate

Air Force Research engineers are working with industry partners to test ceramic matrix composite materials in F100 PW 229 gas turbine engines as exhaust nozzle divergent seals in an effort to increase part life, improve reliability, and reduce operating and maintenance costs.

The AFRL Materials and Manufacturing Directorate research focuses on an advanced self-sealing ceramic matrix composite or CMC called SEPCARBINOX® A500, manufactured by the French company Snecma Propulsion Solide (SPS).

In recent years, a considerable effort has been ...

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