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Flexural resonance vibrations of piezoelectric ceramic tubes in Besocke-style scanners |
| Zhang Hui (张辉), Zhang Shu-Yi (张淑仪), Fan Li (范理) |
| Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University, Nanjing 210093, China |
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Abstract Flexural resonance vibrations of piezoelectric ceramic tubes in Besocke-style scanners with the nanometer resolution are studied by an electro-mechanical coupling Timoshenko beam model. Meanwhile, the effects of frictions, the first moment and moment of inertia induced by mass loads are considered. The predicted resonance frequencies of the ceramic tubes are sensitive to not only the mechanical parameters of the scanners, but also the frictions acting on the attached shaking ball and corresponding bending moment on the tubes. The theoretical results are in excellent agreement with the related experimental measurements. This model and corresponding results are applicable for optimizing the structures and performances of the scanners.
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Received: 02 December 2011
Revised: 06 January 2012
Accepted manuscript online:
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PACS:
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33.20.Tp
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(Vibrational analysis)
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43.40.+s
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(Structural acoustics and vibration)
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46.55.+d
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(Tribology and mechanical contacts)
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07.79.Sp
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(Friction force microscopes)
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| Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB921504), the National Natural Science Foundation of China (Grant Nos. 11004099 and 11174142), the State Key Laboratory of Acoustics of the Chinese Academy of Sciences, and the Priority Academic Program Development of Jiangsu Higher Education Institutions. |
Corresponding Authors:
Zhang Hui
E-mail: paslabw@nju.edu.cn
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Cite this article:
Zhang Hui (张辉), Zhang Shu-Yi (张淑仪), Fan Li (范理) Flexural resonance vibrations of piezoelectric ceramic tubes in Besocke-style scanners 2012 Chin. Phys. B 21 083302
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