Evaluation of thermal stress of transducers for cryogenic ultrasonic motors

Yuya Noguchi, Daisuke Yamaguchi, Takefumi Kanda, Koichi Suzumori

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

An ultrasonic motor which can be driven at the condition from room temperature to cryogenic temperature has been designed, fabricated and evaluated. This motor has a bolt-clamped Langevin-type transducer which is suitable for cryogenic temperature. The aim of this paper is to evaluate the thermal stress of transducers. Each transducer is made of materials which had different thermal expansion coefficient, such as stainless, Ti, or invar. The thermal stress in the transducer made of Ti was the smallest. The rotation speed of the motor using the transducer made of Ti was evaluated at cryogenic temperature. The rotation speed was 1102 rpm at 4.6 K when the applied voltage was 100 Vp-p.

Original languageEnglish
Title of host publicationIEEE International Ultrasonics Symposium, IUS
PublisherIEEE Computer Society
Pages2506-2509
Number of pages4
ISBN (Electronic)9781479970490
DOIs
Publication statusPublished - Oct 20 2014
Event2014 IEEE International Ultrasonics Symposium, IUS 2014 - Chicago, United States
Duration: Sep 3 2014Sep 6 2014

Publication series

NameIEEE International Ultrasonics Symposium, IUS
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Other

Other2014 IEEE International Ultrasonics Symposium, IUS 2014
CountryUnited States
CityChicago
Period9/3/149/6/14

Keywords

  • Actuator
  • Cryogenic Temperature
  • Piezoelectric transducer
  • Ultrasonic Motor

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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  • Cite this

    Noguchi, Y., Yamaguchi, D., Kanda, T., & Suzumori, K. (2014). Evaluation of thermal stress of transducers for cryogenic ultrasonic motors. In IEEE International Ultrasonics Symposium, IUS (pp. 2506-2509). [6932011] (IEEE International Ultrasonics Symposium, IUS). IEEE Computer Society. https://doi.org/10.1109/ULTSYM.2014.0625