The Study on Piezoelectric Impedance Technique Used in Loading Damage Identification

Abstract:

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The superiority and feasibility of piezoelectric impedance method used in damage detecting was expounded, and the research status of the technical was summarized. Then, the rationale of the basic theory of the technique used in damage identification and health monitoring was analyzed here. The experiment of the damage change of loaded beam was researched. The experiment of the beam which was loaded by a material property, the value of the beam was got by an impedance analyzer, while the beam with different pull force. The research indicates that while the testing frequency range should elect as 300k-800k, with the increasing of loading force, the value of real part impedance is descending, the damage index of beam is increasing. PZT can sensitively catch the influence brought by stress varying

Info:

Periodical:

Advanced Materials Research (Volumes 139-141)

Edited by:

Liangchi Zhang, Chunliang Zhang and Tielin Shi

Pages:

2612-2615

DOI:

10.4028/www.scientific.net/AMR.139-141.2612

Citation:

J. Zhang and Z. J. Qin, "The Study on Piezoelectric Impedance Technique Used in Loading Damage Identification", Advanced Materials Research, Vols. 139-141, pp. 2612-2615, 2010

Online since:

October 2010

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Price:

$35.00

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