Acoustic Emission Measurement by Fiber Bragg Grating Glued to Cylindrical Sensor Holder-Reference-Cited by-同舟云学术

Acoustic Emission Measurement by Fiber Bragg Grating Glued to Cylindrical Sensor Holder

Published:2014 Issue: Volume:2014 Page:1-12
ISSN:1687-8434
Container-title:Advances in Materials Science and Engineering
language:en
Short-container-title:Advances in Materials Science and Engineering

Author:

Takuma Masanori¹^ORCID,Hisada Shigeyoshi¹,Saitoh Kenichi¹,Takahashi Yoshimasa¹,Kobayashi Yuuki²,Kadono Akira²,Murata Atushi²,Iwata Satoshi²,Sasaki Toshinori²

Affiliation:

1. Department of Mechanical Engineering, Kansai University, Yamatecho 3-3-35, Suita, Osaka 564-8680, Japan

2. Graduate School of Engineering, Kansai University, Yamatecho 3-3-35, Suita, Osaka 564-8680, Japan

Abstract

Fiber Bragg grating (FBG) is an optical fiber sensor and is suitable for acoustic emission (AE) measurements of structures such as chemical plants that require water resistance, explosion proofing, and so forth, However, directionality has been a problem in conventional usage which glues the grating range of an FBG to the inspection surface. This study proposes a cylinder-FBG (C-FBG) sensor with the FBG glued to a cylindrical sensor holder. Effectiveness of the sensor was evaluated by characterizing directionality and frequency sensitivity of the sensor and by comparing the detected AE signals in a 3-point bending test of a carbon fiber reinforced plastic (CFRP) laminate against a conventional wide-band piezoelectric AE sensor. The features of the detected signals were similar to the signals detected by the wide-band AE sensor. These results show that it is possible to produce a wide-band cylindrical sensor without the directionality limitations of the conventional usage of FBG.

Funder

Kansai University

Publisher

Hindawi Limited

Subject

General Engineering,General Materials Science

Link

http://downloads.hindawi.com/journals/amse/2014/274071.pdf

Reference22 articles.

1. A New Approach for Estimation of Damage Patterns in CFRP Composite Laminates Using Embedded FBG Sensors

2. A New Cascade Multi Sensor Optical Fiber AE System for the Source Dynamics and Location

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