Piezoelectric ceramics composition and high-output power transformer produced with the same composition

本发明公开了一种机械品质因数Q#-[m]和机电耦合因数Kp优异的压电陶瓷组合物和由其制得的高输出功率的压电变压器。该压电陶瓷组合物包含：Pb#-[1-a]Sr#-[a][(Ni#-[1/2]W#-[1/2])#-[b](Mn#-[1/3]Nb#-[2/3])#-[c](Zr#-[1-x]Ti#-[x])#-[1-b-c]]O#-[3]+kPbO，其中a是0-0.06摩尔％，b是0.02摩尔％，c是0.05重量％，x是0.49-0.51摩尔％，和k是0.5重量％。所述高输出功率的压电变压器包括：由上述组合物组成的压电块；由一内电极和一外电极组成的第一电极，内电极是在压电块的顶端的中心形成而外电极...

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Bibliographische Detailangaben
1. Verfasser:	KIM CHUNG-SON,RYU CHONG-SIK,RYOO CHOO-HYUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONDUCTORS ELECTRICITY INSULATORS LIME, MAGNESIA METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	本发明公开了一种机械品质因数Q#-[m]和机电耦合因数Kp优异的压电陶瓷组合物和由其制得的高输出功率的压电变压器。该压电陶瓷组合物包含：Pb#-[1-a]Sr#-[a][(Ni#-[1/2]W#-[1/2])#-[b](Mn#-[1/3]Nb#-[2/3])#-[c](Zr#-[1-x]Ti#-[x])#-[1-b-c]]O#-[3]+kPbO，其中a是0-0.06摩尔％，b是0.02摩尔％，c是0.05重量％，x是0.49-0.51摩尔％，和k是0.5重量％。所述高输出功率的压电变压器包括：由上述组合物组成的压电块；由一内电极和一外电极组成的第一电极，内电极是在压电块的顶端的中心形成而外电极是通过一隔离区分开而在内电极的周围形成；和在压电块底部形成的第二电极。 A piezoelectric ceramic composition with superior mechanical quality factor Qm and electromechanical coupling factor Kp, and a high power output piezoelectric transformer made from the composition are disclosed. The piezoelectric ceramic composition according to the present invention is composed of Pb1-aSra[(Ni1/2W1/2)b(Mn1/3Nbz/3)c(Zr1-xTix)1-b-c]O3+kPbO, where a is 0-0.06, b is 0.01-0.05, c is 0.01-0.09, x is 0.47-0.53, and k is 0.1-0.7 wt %.