A high-temperature piezoelectric linear actuator operating in two orthogonal first bending modes

Jianguo Chen, Zhijiang Chen, Xiaotian Li, Shuxiang Dong

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Conventionally, piezoelectric ultrasonic linear actuators operate in longitudinal and bending combination (degenerate) modes for producing an elliptic motion which drives a slider moving linearly. With the increasing temperature, the degenerate mode will split into two separated modes again, resulting in piezoelectric actuators working to fail. Here, we report a miniature piezoelectric ultrasonic linear actuator made of Mn modified (1-x)BiScO3-xPbTiO3 piezoelectric ceramics operating in two orthogonal first bending modes (B1-B1). The B 1-B1 mode linear actuator showed much better load and speed temperature stability than piezoelectric actuators operating in different combination mode in the investigated temperature range of room temperature to 200 °C.

Original languageEnglish (US)
Article number052902
JournalApplied Physics Letters
Volume102
Issue number5
DOIs
StatePublished - Feb 4 2013

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actuators
piezoelectric actuators
ultrasonics
piezoelectric ceramics
chutes
temperature
room temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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A high-temperature piezoelectric linear actuator operating in two orthogonal first bending modes. / Chen, Jianguo; Chen, Zhijiang; Li, Xiaotian; Dong, Shuxiang.

In: Applied Physics Letters, Vol. 102, No. 5, 052902, 04.02.2013.

Research output: Contribution to journalArticle

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