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[会议论文]

Design considerations for a PVDF acoustic transducer

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作者:

Wu Bin (Wu Bin.) | Wang Qingfeng (Wang Qingfeng.) | Jiao Jingpin (Jiao Jingpin.) (学者:焦敬品) | 展开

收录:

CPCI-S EI Scopus

摘要:

Much work has been published on the design of transducers using piezoelectric polymers, but a great of this work is theoretical modeling and derivations, and the proposed design methods can't be available easily. The purpose of the paper is review and applies several important considerations for the design of polyvinylidene fluoride (PVDF) acoustic emission transducer: transducer construction, active element selection, backing material design, matching layer design, and preamplifier design. Besides reviewing these design considerations, this paper also present that a PVDF acoustic emission transducer has been fabricated. To achieve the transducer's characteristic parameter, the transducer has been calibrated using a precise impedance analyzer; by which the admittance conductance parameters of the acoustic transducer have been obtained. Pencil lead break tests also have been conducted on the transducer, and the test results certified that the transducer can detect acoustic emission events.

关键词:

admittance conductance pencil lead break test acoustic emission

作者机构:

  • [ 1 ] Beijing Univ Technol, Beijing, Peoples R China

通讯作者信息:

  • [Wu Bin]Beijing Univ Technol, Beijing, Peoples R China

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来源 :

SENSORS, AUTOMATIC MEASUREMENT, CONTROL, AND COMPUTER SIMULATION, PTS 1 AND 2

ISSN: 0277-786X

年份: 2006

卷: 6358

语种: 英文

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 2

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