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Tensile and impact properties of fully green composites reinforced with mercerized ramie fibers

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Abstract

The purpose of this study is to create a natural fiber-reinforced fully green composite with excellent toughness. By treating ramie plied yarns in a high concentration alkali solution, the reinforcements were mercerized. Results of tensile tests showed that unidirectional composites using mercerized ramie yarns exhibited two to three times larger fracture strain, without a marked decrease in strength, than composites using untreated yarns. In addition, mercerization for the ramie yarns brings a better interfacial strength to the composites. Laminated composites using mercerized ramie yarns also showed approximately twice larger impact energy than composites using untreated yarns. Thus, mercerization for natural fibers is expected for application to mechanical materials requiring a high toughness.

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Acknowledgement

The authors are grateful to Mr Fumiaki Tomonaga, a senior researcher of Yamaguchi Prefectural Industrial Technology Institute, who provided the impact testing machine and helpful comments for this study.

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Authors and Affiliations

  1. Graduate Students of Science and Engineering, Yamaguchi University, Ube, Yamaguchi, 755-8611, Japan

    Naoki Suizu & Takashi Uno

  2. Department of Mechanical Engineering, Yamaguchi University, Ube, Yamaguchi, 755-8611, Japan

    Koichi Goda & Junji Ohgi

Authors
  1. Naoki Suizu
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  2. Takashi Uno
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  3. Koichi Goda
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  4. Junji Ohgi
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Correspondence to Koichi Goda.

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Suizu, N., Uno, T., Goda, K. et al. Tensile and impact properties of fully green composites reinforced with mercerized ramie fibers. J Mater Sci 44, 2477–2482 (2009). https://doi.org/10.1007/s10853-009-3317-y

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  • DOI: https://doi.org/10.1007/s10853-009-3317-y

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