Rolls-royce Corporation

Ihsan Ai-i Al-Dawery

Anthony G Razzell

Paul A Doleman

Edwin G Butler

John Dominy

A method of manufacturing a ceramic matrix composite comprises forming a slurry comprising a ceramic sol, filler particles and a solvent and forming laminates of fibres ( ). The laminates of fibres ( ) are impregnated with the slurry and are stacked ( ) on a mould ( ). The stack ( ) of laminates of fibres ( ) is covered by a porous membrane ( ), a breather fabric ( ) and a vacuum bag ( ). The vacuum bag ( ) is evacuated and is heated to a temperature of 60&deg; C. for 10 hours to produce a ceramic matrix composite. The ceramic matrix composite is then heated to a temperature of 1200&deg; C. at atmospheric pressure to sinter the ceramic matrix composite.

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Birmingham, United Kingdom

Ihsan Ai-i Al-Dawery