In this paper, the dynamic Fiber Bragg Grating sensor response due to low speed impact on woven fiber composite plates was used to determine the extent of the impact damage. Three types of woven fabrics were considered in this study: plain, twill and 5 harness satin. A brief finite element analysis was used to determine the optimal location for the sensors. The bottom of the plate showed the highest strain response and was chose as the optimal location. The composite plates were fabricated and Fiber Bragg Grating sensors were mounted in the optimal location. The plates were subject to various impact energies using a modified Charpy impactor. The impact damage for each plate due to different impact energies was quantified through flash thermography and correlated with the FBG response. The flash thermography results showed excellent progression of damage in the plates and the sensor strain response was able to distinguish the impacts by considering both peak and plastic strain.
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ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 21–23, 2009
Oxnard, California, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4897-5
PROCEEDINGS PAPER
Low Speed Impact of Woven Fiber Composites Including Fiber Bragg Grating Sensors Available to Purchase
Cris Hiche,
Cris Hiche
Arizona State University, Tempe, AZ
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Aditi Chattopadhyay
Aditi Chattopadhyay
Arizona State University, Tempe, AZ
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K. C. Liu
Arizona State University, Tempe, AZ
Cris Hiche
Arizona State University, Tempe, AZ
Aditi Chattopadhyay
Arizona State University, Tempe, AZ
Paper No:
SMASIS2009-1418, pp. 557-563; 7 pages
Published Online:
February 16, 2010
Citation
Liu, KC, Hiche, C, & Chattopadhyay, A. "Low Speed Impact of Woven Fiber Composites Including Fiber Bragg Grating Sensors." Proceedings of the ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures. Oxnard, California, USA. September 21–23, 2009. pp. 557-563. ASME. https://doi.org/10.1115/SMASIS2009-1418
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