ACTUATOR 2014 Manuskript Poster 56

Author: Hubert Borgmann
Pages: 2
Language: English
Publication date: 26/05/2015
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Manuscript Poster 56 published in Conference Proceedings ACTUATOR 2014
Heat Generation Analysis in Piezoelectric Materials

H.S. Shekhani1, K. Uchino1,2
1The Pennsylvania State University, University Park, USA
2Office of Naval Research Global – Asia Office, Tokyo, Japan

One of the largest setbacks in the design of high power resonance piezoelectric ultrasonic motors and transducers is degradation of material properties due to temperature rise from mechanical losses. Correctly understanding heat generation and heat dissipation in these devices will allow for more compact designs, while maintaining high performance. This paper presents a characterization methodology to measure mechanical losses from temperature and vibration data. Mechanical loss measured from the temperature will better reflect the material properties in presence of heat generation than traditional impedance measurements because of nonlinearities in the material behaviour at high power.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (

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