Sintered ceramic composite and molten metal contact member produ

Details Sintered ceramic composite and molten metal contact member produ Sintered ceramic composite and molten metal contact member produ

1994-05-11

1995-10-10

Ryan, Patrick J.

Compositions: ceramic

Ceramic compositions

Refractory

501 97, 501 98, 75233, 75235, 75238, 75244, B32B 900

Patent

active

054570751

ABSTRACT:
A sintered ceramic composite comprising 35 to 80 wt. % of aluminum nitride, 2 to 60 wt. % of boron nitride, 0.1 to 25 wt. % of an oxide of magnesium, 0.5 to 20 wt. % of at least one of rare earth oxides including yttrium oxide as an optional component and 25 wt. % or less of aluminum oxide as an optional component is disclosed.

REFERENCES:
patent: 4113503 (1978-09-01), Lumby et al.
patent: 4394170 (1983-07-01), Sawaoka et al.
patent: 4840763 (1989-06-01), Freitag
patent: 5173354 (1992-12-01), Raj

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