ELECTROSTRICTIVE MATERIAL Russian patent published in 1999 - IPC

Abstract RU 2130000 C1

FIELD: ceramics. SUBSTANCE: electrostrictive ceramics contains lead, magnesium, niobium, titanium, and lanthanum oxides and is prepared according to conventional ceramics technology: synthesis and sintering temperatures 800-850 and 1240-1260 C, respectively. Relative deformation of material at room temperature in electric field 10 kv/cm is (1.00-1.25) x 10^-3 with electromechanical hysteresis ca.5%. EFFECT: increased electrostrictive deformation and reduced dielectric permittivity with low electromechanical hysteresis retained.

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RU 2 130 000 C1

Authors

Bikjashev Eh.A.

Litvinova L.A.

Dates

1999-05-10—Published

1996-07-10—Filed