NDLI: Acoustic emission signal response of piezoelectric fiber composites

Content Provider	IEEE Xplore Digital Library
Author	Fan Lu Xiu-juan Lin Bo Geng Yang Li Shi-feng Huang
Copyright Year	2015
Description	Author affiliation: Shandong Provincial Key Lab. of Preparation & Meas. of Building Mater., Univ. of Jinan, Jinan, China (Fan Lu; Xiu-juan Lin; Bo Geng; Shi-feng Huang) \|\| Dept. of Qualify Assurance, Faw Jiefang Qingdao Automobile Co., Ltd., Qingdao, China (Yang Li)
Abstract	Piezoelectric fiber composites (PFCs) were fabricated by cutting-filling methods to be used as acoustic emission (AE) sensors. The AE sources were simulated by pencil lead broken, the AE signals were collected in the test plate and the linear localization of sound source was measured based on acoustic emission technology. The results showed that the obtained AE signal amplitudes and voltages of PFCs exhibited dependence on the measuring distances and angles. The AE signal amplitudes were different in the orthogonal direction which indicated that the PFCs exhibited well orthotropic property. The attenuation curves showed that the trend of signal attenuation gradually slowed down as the distance increased. The lead broken signals were acquired by the sensors for each time and the accuracy of linear positioning was above a percentage of 95, which indicated that the PFCs possessed good sensitivity and good signal responses to achieve the purpose of positioning and had high accuracy in the process of linear localization.
Starting Page	273
Ending Page	276
File Size	995969
Page Count	4
File Format	PDF
ISBN	9781479988075
DOI	10.1109/SPAWDA.2015.7364488
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Orthotropic property Optical fiber sensors Linear localization Piezoelectric fiber Lead Acoustic emission Attenuation Signal response Optical fiber testing
Content Type	Text
Resource Type	Article

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