Coated inorganic fiber reinforcement materials and ceramic compo

Details Coated inorganic fiber reinforcement materials and ceramic compo Coated inorganic fiber reinforcement materials and ceramic compo

1990-04-23

1993-03-30

Nelson, Peter A.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428678, D02G 300, B32B 900

Patent

active

051983028

ABSTRACT:
Silicon nitride reinforcing fibers provided with a protective surface coating comprising a boron nitride base layer and, optionally, an alumina overcoating, and fiber-reinforced ceramic matrix composite products incorporating the protectively-coated fibers, are disclosed. The composites offer significantly improved high temperature strength in combination with low dielectric constant and low dielectric loss characteristics.

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