Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Making porous product
Patent
1992-06-16
1996-11-26
Walsh, Donald P.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Making porous product
419 4, 419 5, 419 16, 419 36, 419 51, B22F 316
Patent
active
055795323
ABSTRACT:
A composite jet engine compressor ring is made by casting a tape reinforced with ceramic fibers, winding the cast tape around a mandrel to form an unconsolidated ring, heating the ring to drive off binder, and pressing at a high temperature to form a unitary composite ring. Compression of the ring in an axial direction during hot pressing results in a desired axial spacing between adjacent fibers. The tape is preferably cast from a mixture of titanium base metal particles and a polyisobutylene binder dissolved in an organic solvent.
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Aluminum Company of America
Greaves John N.
Klepac Glenn E.
Walsh Donald P.
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