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March 26, 2026The Proceedings of Mechanical Engineering Congress Japan0 citationsOpen Access

Multiscale Characterization of Piezoelectric Filler-Dispersed Polymer Matrix Composites Containing Cellulose Nanofibers

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KMKazuki MachidaCLChao LuoKIKota IDE

Key Points

  • The research aims to evaluate how cellulose nanofiber incorporation influences the piezoelectric properties of composite materials.
  • Utilized a melt-casting method to create composites with polypropylene, barium titanate, and cellulose nanofibers.
  • Conducted multi-scale analysis through asymptotic homogenization theory.
  • Examined the relationship between cellulose nanofiber content and macro piezoelectric properties.
  • Demonstrated that cellulose nanofiber addition improves the macro piezoelectric properties of the composites.
  • Elucidated the mechanisms behind the enhanced piezoelectric performance.
  • Identified optimal cellulose nanofiber content for maximal property improvement.

Abstract

The effect of adding cellulose nanofiber (CNF) to piezoelectric filler-dispersed polymer matrix composites, which are expected to be used in flexible and printable devices, was verified. The effect of CNF on macro piezoelectric properties was verified by a melt-casting method in which polypropylene, barium titanate, and cellulose nanofibers were mixed and molded in a mold, and by a multi-scale analysis using asymptotic homogenization theory. The effect of CNF content on macro piezoelectric properties was analyzed, and the mechanism of improvement in piezoelectric properties was elucidated.

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Cite This Study

Machida et al. (2025) studied this question.

synapsesocial.com/papers/69c4cd5afdc3bde448919854https://doi.org/10.1299/jsmemecj.2025.j191p-09
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