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Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018) pp 53–61Cite as

Effects of Nano- and Micro-Filler on Water Diffusion and Leakage Current of GRP Composites

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Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

This study investigates the effect of nano- and micro-fillers on water diffusion and leakage current of unidirectional electrically corrosion-resistant (ECR)-grade fiber glass-reinforced epoxy composite insulators. The process of fabrication includes dispersion of nano- and micro-fillers in an epoxy resin using high shear mixing followed by ultrasonication; ECR glass fibers were then embedded into the composite mixture by pultrusion technique. Fillers used were high-purity grade uncoated particles of nano-silica, nano-alumina, micron-sized aluminum trihydrate, calcium carbonate, and magnesium titanate. X-ray diffraction (XRD) and scanning electron microscope (SEM) with energy-dispersive analysis of X-rays (EDAX) were used to investigate crystallinity, morphology, and surface composition of the composites. Dye penetration, water diffusion, and leakage current measurements were performed to evaluate the effect of various fillers on the composites. Results evinced that addition of nano- and micro-fillers caused a reduction in the magnitude of leakage current.

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Acknowledgements

The authors greatly acknowledge the encouragement and support rendered by the management of JSS Research foundation and Maharaja Institute of Technology, Mysore.

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Authors and Affiliations

  1. Department of Electronics, JSS Research Foundation, JSSTI Campus, Mysuru, Karnataka, India

    Santhy P. Kuruvilla

  2. Department of Electronics and Communication Engineering, Sri Jayachamarajendra College of Engineering, Mysuru, 570006, Karnataka, India

    N. M. Renukappa

Authors
  1. Santhy P. Kuruvilla
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  2. N. M. Renukappa
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Corresponding author

Correspondence to N. M. Renukappa .

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Editors and Affiliations

  1. Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Avadi, Chennai, India

    U. Chandrasekhar

  2. Department of Mechanical and Electromechanical Engineering, Tamkang University, Tamsui District, New Taipei City, Taiwan

    Lung-Jieh Yang

  3. Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Avadi, Chennai, India

    S. Gowthaman

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Kuruvilla, S.P., Renukappa, N.M. (2019). Effects of Nano- and Micro-Filler on Water Diffusion and Leakage Current of GRP Composites. In: Chandrasekhar, U., Yang, LJ., Gowthaman, S. (eds) Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018). Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-2697-4_6

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  • DOI: https://doi.org/10.1007/978-981-13-2697-4_6

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-2696-7

  • Online ISBN: 978-981-13-2697-4

  • eBook Packages: EngineeringEngineering (R0)

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