Slurry composition and sintered part prepared therefrom

Details Slurry composition and sintered part prepared therefrom Slurry composition and sintered part prepared therefrom

1992-02-20

1994-03-08

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

106 3835, C04B 3548

Patent

active

052926931

ABSTRACT:
A sheet-forming slurry composition is composed of zirconia powder, an organic binder, and a solvent. The zirconia powder contains 2 to 10 mol % of yttria in solid solution form and has a BET specific surface area of up to about 12 m.sup.2 /g and a mean particle size multiplied by the specific surface area of up to 3 .mu.m.m.sup.2 /g. The composition is formed into a green sheet having improved flexibility, binder removal capability, sinterability, and dimensional stability, which is then fired into a sintered part having improved denseness, gas barrier property, and surface smoothness.

REFERENCES:
patent: 4328294 (1982-05-01), Tanaka et al.
patent: 4923830 (1990-05-01), Everhart et al.
patent: 5011673 (1991-04-01), Kriechbaum et al.
Patent Abstracts of Japan, vol. 13, No. 556, JP-A-1 230 466 (1989).
Chemical Abstracts, vol. 110, No. 22, Abstract No. 198038Z (1988).

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