Method of preparing a ceramic composition

Details Method of preparing a ceramic composition Method of preparing a ceramic composition

1985-03-29

1987-01-20

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

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

501134, C04B 3500

Patent

active

046379894

ABSTRACT:
A predominantly perovskite phase Pb(Zn.sub.x Mg.sub.1-x Nb.sub.2).sub.1/3 O.sub.3 ceramic is prepared by first forming a columbite precursor having the formula Zn.sub.x Mg.sub.1-x Nb.sub.2 O.sub.6 and reacting this material with PbO at temperatures of from 800.degree. C. to at least 1000.degree. C. as x varies from 0.025 to 0.7.

REFERENCES:
patent: 4216102 (1980-08-01), Furukawa et al.
patent: 4339544 (1982-07-01), Sakabe et al.
patent: 4536821 (1985-07-01), Wheeler et al.
Swartz et al., Materials Research Bulletin, vol. 17, pp. 1245-1250, 1982.

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