Thin ceramic articles obtained by fusing and casting in a mold a

Details Thin ceramic articles obtained by fusing and casting in a mold a Thin ceramic articles obtained by fusing and casting in a mold a

1989-02-15

1990-03-20

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501107, C04B 3548

Patent

active

049101749

ABSTRACT:
The invention relates to ceramic articles.
It relates to an article made of ceramic material produced by fusing and casting in a mold a composition based on alumina, zirconia, silica and an alkali metal oxide, said article consisting of crystalline corundum and zirconia phases and of a vitreous phase, said zirconia being substantially in monoclinic form from the core to the skin of said article, and having, in at least one of its parts, a thickness lower than or equal to 30 mm and being intended for an application where mechanical strength and/or abrasion resistance are of primary importance, said composition consisting essentially, in % by weight based on the oxides, of:

REFERENCES:
patent: 2271367 (1942-01-01), Fulcher et al.
patent: 2438552 (1948-03-01), Field
patent: 3754950 (1973-08-01), Cevalas

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