Mechanism of Subordinate Peak Skewing of FBG Sensor during Cracks Propagation Monitoring on Aluminum Alloy Structure

Mechanism of Subordinate Peak Skewing of FBG Sensor during Cracks Propagation Monitoring on Aluminum Alloy Structure

This study investigates the variety of the spectra features of fiber Bragg grating (FBG) around the crack tip during fatigue crack propagation. The study results reveal that the turning of the subordinate peak is significantly associated with crack lengths and corresponds to strain gradient along th...

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Bibliographic Details
Main Authors:	Bo Jin, Weifang Zhang, Feifei Ren, Meng Zhang, Wei Dai, Yanrong Wang
Format:	Article
Language:	English
Published:	Hindawi Limited 2017-01-01
Series:	Journal of Sensors
Online Access:	http://dx.doi.org/10.1155/2017/2857693

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