Single crystal piezoelectrics for advanced transducer and smart structures applications

被引：4

作者：

Hackenberger, W ^{[1
]}

Rehrig, P ^{[1
]}

Pan, MJ ^{[1
]}

Shrout, T ^{[1
]}

机构：

[1] TRS Ceram Inc, State Coll, PA 16801 USA

来源：

SMART STRUCTURES AND MATERIALS 2001: ACTIVE MATERIALS: BEHAVIOR AND MECHANICS | 2001年 / 4333卷

关键词：

single crystal; piezoelectric; transducer; actuator; sonar; flow control; smart structure;

D O I：

10.1117/12.432745

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Single crystal piezoelectrics based on xPb(Zn1/3Nb2/3)O-3-(1-x)PbTiO3 and xPb(Mg1/3Nb2/3)O-3-(1-x)PbTiO3 show great promise for dramatically improving the performance of medical ultrasound transducers, sonar transducers, active flow control actuators, high strain energy density stack actuators, and microactuators. Improvements in crystal growth and manufacturing are yielding large numbers of crystals for device performance evaluations. Property variations have been minimized by identifying the sources of variations and designing manufacturing processes to eliminate property-degrading defects from the final components. Crystal size increases and cost reductions have resulted from replacing flux grown PZN-PT with PMN-PT crystals produced by the Bridgman method. Finally, low crystal stiffness has been shown to not be a hindrance in maintaining high properties under compressive prestress or in packaged devices such as epoxy bonded stack actuators.

引用

页码：92 / 103

页数：12

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