scholarly journals Multichannel fiber laser acoustic emission sensor system for crack detection and location in accelerated fatigue testing of aluminum panels

APL Photonics ◽  
2020 ◽  
Vol 5 (3) ◽  
pp. 030803
Author(s):  
Caitlin R. S. Williams ◽  
Meredith N. Hutchinson ◽  
Joseph D. Hart ◽  
Marriner H. Merrill ◽  
Peter Finkel ◽  
...  
Keyword(s):  
Acoustic Emission ◽  
Fiber Laser ◽  
Crack Detection ◽  
Fatigue Testing ◽  
Sensor System ◽  
Acoustic Emission Sensor ◽  
Aluminum Panels

An acoustic emission sensor system for thin layer crack detection

2018 ◽  
Vol 88-90 ◽  
pp. 16-21 ◽  
Author(s):  
M. Unterreitmeier ◽  
O. Nagler ◽  
L. Pfitzner ◽  
R. Weigel ◽  
R. Holmer
Keyword(s):  
Acoustic Emission ◽  
Thin Layer ◽  
Crack Detection ◽  
Sensor System ◽  
Acoustic Emission Sensor

scholarly journals Crack detection in riveted lap joints using fiber laser acoustic emission sensors

2017 ◽  
Vol 25 (16) ◽  
pp. 19457 ◽  
Author(s):  
G. A. Cranch ◽  
L. Johnson ◽  
M. Algren ◽  
S. Heerschap ◽  
G. A. Miller ◽  
...  
Keyword(s):  
Acoustic Emission ◽  
Fiber Laser ◽  
Crack Detection ◽  
Lap Joints ◽  
Acoustic Emission Sensors ◽  
Riveted Lap Joints

An optical fiber F-P acoustic emission sensor system for the detection of steel crack initiation

2012 ◽  
Author(s):  
Xinglin Tong ◽  
Tao Ji ◽  
Wanting Wei ◽  
Changshan Wen ◽  
Xiaolong Zhu ◽  
...  
Keyword(s):  
Acoustic Emission ◽  
Crack Initiation ◽  
Optical Fiber ◽  
Sensor System ◽  
Acoustic Emission Sensor

scholarly journals Design and testing of a MEMS acoustic emission sensor system

2008 ◽  
Author(s):  
David W. Greve ◽  
Irving J. Oppenheim ◽  
Amelia P. Wright ◽  
Wei Wu
Keyword(s):  
Acoustic Emission ◽  
Sensor System ◽  
Acoustic Emission Sensor ◽  
Design And Testing

Development of a MEMS acoustic emission sensor system

2007 ◽  
Author(s):  
David W. Greve ◽  
Irving J. Oppenheim ◽  
Wei Wu ◽  
Amelia P. Wright
Keyword(s):  
Acoustic Emission ◽  
Sensor System ◽  
Acoustic Emission Sensor

Fiber Optic Acoustic Emission Sensor System for Local Damage Detection

2013 ◽  
Vol 330 ◽  
pp. 396-400 ◽  
Author(s):  
Na Zhao ◽  
Ke Qin Ding
Keyword(s):  
Acoustic Emission ◽  
Damage Detection ◽  
Fiber Optic ◽  
Metal Structure ◽  
Sensor System ◽  
Structural Safety ◽  
Strong Impact ◽  
Local Damage ◽  
Long Distance ◽  
Acoustic Emission Sensor

The crack is easily generated in the metal structure because of fatigue. It has a strong impact on structural safety. To reduce accident and losses, it is important to detect the local damage such as active crack. The general method to detect the local damage is acoustic-emission technique. But it has the disadvantages of short distance transmission, interfered easily and so on. In this paper, the fiber optic acoustic emission sensor system is designed and developed. A lot of experiments have been done in laboratory. It is shown that the new system has long distance transmission, and has high anti-interference etc. It can meet the demand of local damage detection about the metal structure.

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