Ceramic preforms having high mechanical strength, a process for

Details Ceramic preforms having high mechanical strength, a process for Ceramic preforms having high mechanical strength, a process for

1990-05-04

1992-11-17

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 96, 501 97, C04B 3502, C04B 3558

Patent

active

051643464

ABSTRACT:
Preforms for metal matrix composites consisting of ceramic material belonging to the class of oxides, nitrides, carbides, borides, oxynitrides and the like, prevailingly in an acicular form and having monocrystalline or polycrystalline structure, having a density ranging from 0.2 to 1.6 g/cm.sup.3 and porosity ranging from 50 to 95%.

REFERENCES:
patent: 4388255 (1983-06-01), Simpson
patent: 4579699 (1986-04-01), Verzemnieks
patent: 4769349 (1988-09-01), Hillig et al.
patent: 4994418 (1991-02-01), Yamakawa et al.
Chemical Abstract-JP 1083633 (Mar. 29 1989) "Manufacture of fiber preforms for metal composites" --Japan-- Tokuse-inventor.

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