Compositions: ceramic – Ceramic compositions – Refractory
Patent
1987-02-19
1989-01-03
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
252520, 264 65, C04B 3558
Patent
active
047957239
ABSTRACT:
An electrically conductive hot press sintered ceramic product comprising boron nitride, titanium diboride and aluminum nitride and having a flexural strength of at least 900 kg/cm.sup.2, a specific resistance of from 300 to less than 2,500 .mu..OMEGA.cm and less anisotropy.
REFERENCES:
patent: 3544486 (1970-12-01), Passmore
patent: 3649314 (1972-03-01), James
patent: 3803707 (1974-04-01), Passmore et al.
patent: 3813252 (1974-05-01), Lipp
patent: 4008183 (1977-02-01), Ishii et al.
patent: 4514355 (1985-04-01), Montgomery
Matsuda Koichi
Nakashima Masami
Nishikawa Hiroshi
Bell Mark L.
Denki Kagaku Kogyo Kabushiki Kaisha
Knab Ann M.
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