Zirconia sintered body of improved light transmittance

Details Zirconia sintered body of improved light transmittance Zirconia sintered body of improved light transmittance

1986-06-20

1988-07-19

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501126, 501152, C04B 3549

Patent

active

047585412

ABSTRACT:
A zirconia sintered body comprising zirconia (ZrO.sub.2), yttria (Y.sub.2 O.sub.3) and titania (TiO.sub.2) [Y.sub.2 O.sub.3 /ZrO.sub.2 =at least 2/98 by mole and TiO.sub.2 /(ZrO.sub.2 +Y.sub.2 O.sub.3)=3/97 to 20/80 by mole] has a high translucence giving improved light transmittance. A zirconia sintered body comprising, in addition to ZrO.sub.2, Y.sub.2 O.sub.3 and TiO.sub.2, 0.1 to 3 mole % of an oxide of a rare earth element of the lanthanum group has a fluorescence-radiating property as well as a high translucence.

REFERENCES:
patent: 3432314 (1969-03-01), Mazdiyasni et al.
patent: 3640887 (1972-02-01), Anderson
patent: 4645716 (1987-02-01), Harrington et al.
Journal of Less Common Metals, 13 (1967), 530-540.
Journal of The American Ceramic Society, Mazdiyasni et al., vol. 50, No. 10, pp. 532-537.
J. of Am. Ceramic Soc., 54, [1], pp. 1-11 (Jan. 1971).
K. Tabe et al., Metal Oxides and Compound Oxides, published by Kodansha, Japan, pp. 416-417 (Apr. 20, 78), (and translations).

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