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Structural Health Monitoring of Glass Fiber Reinforced Polymer Using Nanofiber Sensor

  • M. S. NishaEmail author
  • P. Faruk Khan
  • K. V. Ravali
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Nowadays, GFRP, i.e., glass fiber reinforced polymer composites, are widely used in manufacturing process especially in aircraft industries and automobiles due to their beneficial mechanical and thermal properties such as specific strength and better resistance to corrosion. In this present research, the electrostatic-bonded PVDF-MWCNT fiber composition and GFRP had been used for structural health monitoring (SHM) of composite material. PVDF-MWCNT had been embedded to upper-most layer of the nonconductive materials which is GFRP, i.e., glass fiber reinforced polymers for the undertaking process. This research takes place mainly to improve the multifunction ability. Mainly, the manufacture specimen was characterized into two types; they are mechanical load characterization and material characterization. It is the first time this fiber composition is used in composite materials for monitoring purposes. MWCNT fiber easily penetrates and does not decrease the mechanical properties of material. In this investigation, SEM, i.e., scanning electron microscope and XRD (X-ray diffraction) were used for material characterization process to determine the dispersion of MWCNT with polymer, crystalline structure. The manufactured specimen another characterization namely mechanical load characterization it had done in two ways are incremental–decremental tensile loading and three-point loading testing in order to determine the sensitivity of the material during loading and unloading, material damage identification. The MWCNT fiber worked as a sensor in both tensile and compression loadings. So we mainly used the MWCNT for this process.

Keywords

GFRP SEM XRD PVDF-MWCNT Electrical resistance SHM 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.School of Aeronautical SciencesHindustan Institute of Technology and ScienceChennaiIndia

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