Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1985-09-23
1986-09-30
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
501153, C04B 3546
Patent
active
046147250
ABSTRACT:
An alumina porcelain composition is described, consisting of a main component made of from 96 to 99.5 mol % Al.sub.2 O.sub.3 and from 4 to 0.5 mol % of CaTiO.sub.3, and MgO as an auxiliary component, said MgO being present in an amount of not more than 1 part by weight per 100 parts by weight of the main component.
REFERENCES:
patent: 4307198 (1981-12-01), Oda et al.
Ando Minato
Ito Masaaki
Mizuno Fumio
Bell Mark L.
NGK Spark Plug Co. Ltd.
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