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1 840 654

(13)

(51)

IPC

C04B35/472(2006-01-01)

(21) (22)

Application

961062/03, 1964-10-05

(22)

Actual filing date

1964-10-05

(45)

Published

2008-05-20

(72)

Inventor

Serova Irina AleksandrovnaStrelets Porfirij Luk'JanovichIsupov Vladislav Aleksandrovich

LEAD-CONTAINING PIEZOCERAMICS Russian patent published in 2008 - IPC C04B35/472

Abstract SU 1840654 A1

FIELD: piezoelectric equipment.

SUBSTANCE: ceramics is a three-component solid solution of lead titanate, lead zirconate, and sodium bismuth titanate, with the following component ratio, mol. %: 52-63 PbZrO₃, 8-32 Na_0.5Bi_0.5TiO₃ and lead titanate being the remaining part. For higher piezoelectric modulus values, the ceramics composition may be modified with strontium.

EFFECT: lower piezoceramic material agglomeration temperature, low lead oxide losses, and enhancement of piezoceramic properties.

2 cl, 1 tbl

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SU 1 840 654 A1

Authors

Serova Irina Aleksandrovna

Strelets Porfirij Luk'Janovich

Isupov Vladislav Aleksandrovich

Dates

2008-05-20—Published

1964-10-05—Filed