A single-mode Mn-doped 0.27PIN-0.46PMN-0.27PT single-crystal ultrasonic motor

Wenchu Ou, Shiyang Li, Wenwu Cao, Ming Yang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Mn-modified rhombohedral phase yPb(In1/2Nb1/2)O3-(1-x-y)Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PIN-PMN-PT:Mn) single crystal has attracted considerable attention for its outstanding piezoelectric properties and high mechanical quality factor. Here, we report a device innovation using Mn doped 0.27PIN-0.46PMN-0.27PT single crystal in a single-mode piezoelectric ultrasonic motor. Based on the analyses of actuator characteristics with finite element method, the PIN-PMN-PT:Mn crystal actuator predicts lower excitation frequency, lower driving voltage, and less power loss comparing with the PZT ceramic actuator. A prototype motor (size: 12 × 6 × 1.5 mm3) was fabricated and tested. The typical output of this PIN-PMN-PT:Mn motor is a speed up to 42.3 cm/s, a driving torque of 0.42 N cm, and an output power density of 0.45 W/cm3, under the driving voltage of 21 V0−P. This work presents that PIN-PMN-PT:Mn single crystal is quite advantageous in making miniaturized and high-power piezoelectric ultrasonic motors.

Original languageEnglish (US)
Pages (from-to)121-126
Number of pages6
JournalJournal of Electroceramics
Volume37
Issue number1-4
DOIs
StatePublished - Dec 1 2016

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ultrasonics
Ultrasonics
Single crystals
Actuators
actuators
single crystals
output
power loss
Electric potential
low voltage
torque
radiant flux density
Q factors
finite element method
Torque
Innovation
prototypes
ceramics
Finite element method
Crystals

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

Ou, Wenchu ; Li, Shiyang ; Cao, Wenwu ; Yang, Ming. / A single-mode Mn-doped 0.27PIN-0.46PMN-0.27PT single-crystal ultrasonic motor. In: Journal of Electroceramics. 2016 ; Vol. 37, No. 1-4. pp. 121-126.
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A single-mode Mn-doped 0.27PIN-0.46PMN-0.27PT single-crystal ultrasonic motor. / Ou, Wenchu; Li, Shiyang; Cao, Wenwu; Yang, Ming.

In: Journal of Electroceramics, Vol. 37, No. 1-4, 01.12.2016, p. 121-126.

Research output: Contribution to journalArticle

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