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Multi-direction health monitoring with carbon nanotube film strain sensor

Author

Listed:
  • Tao Xu
  • Qingdong Qiu
  • Shaowei Lu
  • Keming Ma
  • Xiaoqiang Wang

Abstract

Carbon nanotubes have been the focus study in composite health monitoring fields due to its better performances and excellent mechanical property. Yet, the performance for multi-direction strain monitoring of the carbon nanotube film sensor has not been concerned. Therefore, this article focuses on the strain monitoring with the circular carbon nanotube film sensor which exhibits the characteristics for multi-direction strain measurement. The carbon nanotube film is fabricated through agitation, sonication, centrifugation, and vacuum filtration. Using the molding machine, the circular carbon nanotube film senor and the rectangular carbon nanotube film sensor are surface bonded with composite laminates, respectively, to compare the multi-direction strain monitoring characteristics. With the prepared laminates, the stretching tests are committed at 0°, 30°, 60°, and 90° using the universal tensile machine. Experimental results of the circular sensor show the steady sensing coefficients that fluctuate between 59.51676 and 60.9273 at different degrees. By comparison, the rectangular sensor presents different sensing coefficients from vertical stretching test and horizontal stretching test. Therefore, the circular carbon nanotube film exhibits multi-direction strain monitoring that can serve as an efficient tool for structural health monitoring of composite structures.

Suggested Citation

  • Tao Xu & Qingdong Qiu & Shaowei Lu & Keming Ma & Xiaoqiang Wang, 2019. "Multi-direction health monitoring with carbon nanotube film strain sensor," International Journal of Distributed Sensor Networks, , vol. 15(2), pages 15501477198, February.
    • Handle: RePEc:sae:intdis:v:15:y:2019:i:2:p:1550147719829683
    DOI: 10.1177/1550147719829683
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    References listed on IDEAS

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    1. Thomas W. Tombler & Chongwu Zhou & Leo Alexseyev & Jing Kong & Hongjie Dai & Lei Liu & C. S. Jayanthi & Meijie Tang & Shi-Yu Wu, 2000. "Reversible electromechanical characteristics of carbon nanotubes underlocal-probe manipulation," Nature, Nature, vol. 405(6788), pages 769-772, June.
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    Cited by:

    1. Francesc Pozo & Diego A Tibaduiza & Miguel à ngel Torres-Arredondo & Margarita Varón & Hernán Dario Ceron-Muñoz, 2020. "Editorial," International Journal of Distributed Sensor Networks, , vol. 16(9), pages 15501477209, September.

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