Method of manufacturing ceramic powders having the perovskite st

Details Method of manufacturing ceramic powders having the perovskite st Method of manufacturing ceramic powders having the perovskite st

1988-08-10

1990-09-18

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501102, 501135, 501136, 423598, 423608, C04B 3546, C04B 3548

Patent

active

049578880

ABSTRACT:
A method of manufacturing ceramic powders having the perovskite structure by means of a reaction in an aqueous solution, in which a homogeneous aqueous solution comprising a strong organic base and comprising at least one alkaline-earth metal salt and at least one zirconium salt and/or at least one titanium salt is converted at a reaction temperature in the range from 70.degree. to 150.degree. C., and water adhering to the reaction product is removed, or in which an alkaline-earth metal-titanium-acetate gel having a strong organic base is converted at a reaction temperature in the range from 110.degree.-180.degree. C., and water adhering to the reaction product is removed.

REFERENCES:
patent: 4677083 (1987-06-01), Uedaira et al.

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