Fiber reinforced ceramic matrix composite internal combustion en

Details Fiber reinforced ceramic matrix composite internal combustion en Fiber reinforced ceramic matrix composite internal combustion en

1997-01-16

1999-03-30

Zirker, Daniel

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

60323, 164 98, 264 60, 4283139, B22D 1908, C04B 3580

Patent

active

058886419

ABSTRACT:
This invention discloses an exhaust manifold for an engine made of all fiber reinforced ceramic matrix composite material so as to be light weight and high temperature resistant. A method of making the exhaust manifold comprises the steps of forming a liner of a cast monolithic ceramic material containing pores, filling the pores of the cast monolithic ceramic material with a pre-ceramic polymer resin, coating reinforcing fibers with an interface material to prevent a pre-ceramic polymer resin from adhering strongly to the reinforcing fibers, forming a mixture of a pre-ceramic polymer resin and reinforcing fibers coated with the interface material, forming an exhaust manifold shaped structure from the mixture of the pre-ceramic polymer resin and the reinforcing fibers coated with the interface material by placing the mixture on at least a portion of the cast monolithic ceramic material, and firing the exhaust component shaped structure at a temperature and a time sufficient to convert the pre-ceramic polymer resin to a ceramic thereby forming a reinforced ceramic composite.

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