C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/1
C04B 35/48 (2006.01) C04B 35/486 (2006.01)
Patent
CA 1227222
TITLE OF THE INVENTION Ceramic Compacts ABSTRACT OF THE DISCLOSURE A ceramic compact having a high transverse rupture strength is provided by a low cost sintering method. This ceramic compact comprises 55 to 96 % by volume of a first component, 4 to 45 % by volume of a second component and at most 3 % by volume of unavoidable impurities: First Component: ZrO2 consisting of at least 80 % by weight of at least one of tetragonal system and cubic system and the balance of mono- clinic system, in which at least one member selected from the group con- sisting of oxides of Group IIIa elements of Periodic Table, CaO and MgO and mixtures thereof are dissolved to form a solid solution. Second Component: at least one member selected from the group consisting of carbonitrides, carboxides, oxynitrides and carboxy- nitrides of Group IVa, Va and VIa elements of Periodic Table, and mixtures or solid solutions thereof.
474846
Kamijo Eiji
Yamakawa Akira
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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