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Health Monitoring of Large Composite Structures

Jaswal, Priya
http://orcid.org/0000-0002-7920-6989
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1562842764406158

Abstract Details

2019, MS, University of Cincinnati, Engineering and Applied Science: Mechanical Engineering.
This research is an experimental study of sensitivity enhancement for multiwalled carbon nanotube based multifunctional composite materials for health monitoring of large structures. Multi Walled Carbon Nanotubes are studies by various groups around the academic research community for application in sensor development and structural health monitoring. They have been spun to create threads and rolled to create CNT sheets at University of Cincinnati Nanoworld Labs. Many research institutions are trying to commercialize CNT based sensors and electronics. At University of Cincinnati, CNT threads were used to create structural health monitoring sensors. The goal of this thesis is to explore the use of multiwalled CNT sheet sensors for structural health monitoring. This thesis presents an idea for capacitive and resistive sensing for structural health monitoring between large sheets of composite laminates. Two type of sensors were designed using CNT sheets – 1) CNT sheets were added as composite lamina 2) CNT sheets were separated by insulating material to design customized sensors to be added as a layer between composite laminate. Insulating material FGF-fiber glass woven fabric is used as lamina and multiwalled carbon nanotube sheets are electrodes to build the CNT based composite material. Circuits for resistance measurement across and between CNT terminals were created and resistance and capacitance change before and after impact test was measured using multimeter. The goal and focus of the thesis were sensitivity enhancement to estimate damage in composites due to impact.
Mark Schulz, Ph.D. (Committee Chair)
Vesselin Shanov, Ph.D. (Committee Member)
Matthew Steiner, Ph.D. (Committee Member)
Sarah Watzman, Ph.D. (Committee Member)
165 p.
Mechanical Engineering
CNT Sheet Sensors; Structural Health Monitoring

Recommended Citations

Citations

  • Jaswal, P. (2019). Health Monitoring of Large Composite Structures [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1562842764406158

    APA Style (7th edition)

  • Jaswal, Priya. Health Monitoring of Large Composite Structures. 2019. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1562842764406158.

    MLA Style (8th edition)

  • Jaswal, Priya. "Health Monitoring of Large Composite Structures." Master's thesis, University of Cincinnati, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1562842764406158

    Chicago Manual of Style (17th edition)

ucin1562842764406158
301
© 2019, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.