Compositions: ceramic – Ceramic compositions – Refractory
Patent
1991-04-05
1992-09-15
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
C04B 3510, C04B 3548, C04B 3549
Patent
active
051478331
ABSTRACT:
A ceramic article is disclosed. The article is composed of from 6 to 50 percent of particulate ZrO.sub.2 having an ultimate particle size less than 2 .mu.m, from 50 to 94 percent of particulate Al.sub.2 O.sub.3, from 1/4 to 3 percent of MnO.sub.2 and from 1/4 to 3 percent of TiO.sub.2.
REFERENCES:
patent: 3916585 (1975-11-01), Barks
patent: 4760038 (1988-07-01), Kinney, Jr. et al.
Brog Terrence K.
Manning William R.
Bell Mark L.
Champion Spark Plug Company
Purdue David C.
Purdue John C.
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