Impact damage detection of composite materials by fiber Bragg gratings

2011 ◽  
Author(s):  
Zoran Djinovic ◽  
Michael Scheerer ◽  
Milos Tomic
Keyword(s):  
Composite Materials ◽  
Damage Detection ◽  
Impact Damage ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings

Impact damage detection in CFRP using fiber Bragg gratings

2004 ◽  
Vol 13 (4) ◽  
pp. 719-724 ◽  
Author(s):  
Hiroshi Tsuda ◽  
Nobuyuki Toyama ◽  
Kei Urabe ◽  
Junji Takatsubo
Keyword(s):  
Damage Detection ◽  
Impact Damage ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings

scholarly journals Binary hypothesis-based impact damage detection for composite material system embedded with fiber Bragg gratings

2017 ◽  
Vol 26 (sup1) ◽  
pp. 79-92 ◽  
Author(s):  
Mike Yeager ◽  
Anthony Whitaker ◽  
Daniel A. Whisler ◽  
Hyonny Kim ◽  
William Gregory ◽  
...  
Keyword(s):  
Composite Material ◽  
Damage Detection ◽  
Impact Damage ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Material System ◽  
Binary Hypothesis ◽  
Composite Material System

Factors Influencing Acousto-Ultrasonic Approach to Impact Damage in Composite Materials

2011 ◽  
Vol 393-395 ◽  
pp. 97-101
Author(s):  
Huan Ping Kong ◽  
Zheng Zhang ◽  
Li Fei Li
Keyword(s):  
Composite Materials ◽  
Damage Detection ◽  
Rapid Detection ◽  
Impact Damage ◽  
Low Frequency ◽  
Factors Influencing ◽  
Frequency Transducer ◽  
Ultrasonic Parameters ◽  
Early Damage

This paper studied factors influencing AU detection results on different damage specimens, including simulation frequency, transducer modes and transducer location. Correlation between acousto-ultrasonic parameters (AUP1, AUP2) and impact damage severity in composite was investigated. The results showed that as damage severity increased, AUP1 and AUP2 of three different transducers decreased. Applying low frequency transducer, the variation of AUP1 may indicate a more rapid detection prospect. In addition, applying S1-transducer and WD-transducer, AUP2 was more effective for the early damage detection. Varying transducer’s location, S1-transducer applying 500khz simulation frequency presented a valuable results.

scholarly journals Internal strain monitoring in composite materials with embedded photonic crystal fiber Bragg gratings

2014 ◽  
Author(s):  
Thomas Geernaert ◽  
Sanne Sulejmani ◽  
Camille Sonnenfeld ◽  
Karima Chah ◽  
Geert Luyckx ◽  
...  
Keyword(s):  
Composite Materials ◽  
Photonic Crystal ◽  
Photonic Crystal Fiber ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Internal Strain ◽  
Crystal Fiber ◽  
Strain Monitoring

Damage detection of CFRP using fiber Bragg gratings

2004 ◽  
Vol 39 (6) ◽  
pp. 2211-2214 ◽  
Author(s):  
H. Tsuda ◽  
N. Toyama ◽  
J. Takatsubo
Keyword(s):  
Damage Detection ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings
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