Ceramic matrix composites used in the first stage of the high-pressure compressor turbine shrouds mark a key advance for CFM International's new Leap series of engines, the GE Aviation/Snecma partnership says. "It’s the beginning of a revolution in materials design. This technology will eventually migrate throughout the high-pressure turbine, reducing weight by a third and eliminating the need for cooling," said Leap program manager Gareth Richards.

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