Method for increasing the strength and density of lead titanate

Details Method for increasing the strength and density of lead titanate Method for increasing the strength and density of lead titanate

1977-08-25

1978-12-26

Bashore, S. Leon

Glass manufacturing

Processes

Operating under inert or reducing conditions

65157, 264 82, 264332, 106 733, 106 398, C03B 1100, C04B 1514, C04B 3500

Patent

active

041314441

ABSTRACT:
Strengthened and densified ceramic bodies are produced by hot pressing lead itanate powder into a lead titanate ceramic at a pressure from 1000 to 5000 psi and at a temperature from 700 to 1100.degree. C if the atmosphere is reducing or from 700 to 1200.degree. C if the atmosphere is oxidizing and by annealing the lead titanate ceramic at a temperature from 600 to 1100.degree. C in an oxidizing atmosphere for at least four hours.

REFERENCES:
patent: 3493403 (1970-02-01), Tung et al.
patent: 3639132 (1972-02-01), Egerton et al.
patent: 3775531 (1973-11-01), Smith
patent: 3844755 (1974-10-01), Angle et al.
patent: 3886254 (1975-05-01), Tanaka et al.
patent: 4019915 (1977-04-01), Miyavchi et al.

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