Evaluation of thermal stress of transducers for cryogenic ultrasonic motors

Yuya Noguchi; Daisuke Yamaguchi; Takefumi Kanda; Koichi Suzumori

doi:10.1109/ULTSYM.2014.0625

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 proceeding › Conference 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 V_p-p.

Original language	English
Title of host publication	IEEE International Ultrasonics Symposium, IUS
Publisher	IEEE Computer Society
Pages	2506-2509
Number of pages	4
ISBN (Electronic)	9781479970490
DOIs	https://doi.org/10.1109/ULTSYM.2014.0625
Publication status	Published - Oct 20 2014
Event	2014 IEEE International Ultrasonics Symposium, IUS 2014 - Chicago, United States Duration: Sep 3 2014 → Sep 6 2014

Publication series

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

Other

Other	2014 IEEE International Ultrasonics Symposium, IUS 2014
Country	United States
City	Chicago
Period	9/3/14 → 9/6/14

Keywords

Actuator
Cryogenic Temperature
Piezoelectric transducer
Ultrasonic Motor

ASJC Scopus subject areas

Acoustics and Ultrasonics

Access to Document

10.1109/ULTSYM.2014.0625

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Evaluation of thermal stress of transducers for cryogenic ultrasonic motors. / Noguchi, Yuya; Yamaguchi, Daisuke ; Kanda, Takefumi; Suzumori, Koichi.

IEEE International Ultrasonics Symposium, IUS. IEEE Computer Society, 2014. p. 2506-2509 6932011 (IEEE International Ultrasonics Symposium, IUS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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., 6932011, IEEE International Ultrasonics Symposium, IUS, IEEE Computer Society, pp. 2506-2509, 2014 IEEE International Ultrasonics Symposium, IUS 2014, Chicago, United States, 9/3/14. https://doi.org/10.1109/ULTSYM.2014.0625

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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.",

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