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<p>The significance of naturally reinforced bio-composite materials possessing advantageous characteristics, including excellent impact resistance, a high modulus-to-weight ratio, ease of repair, is paramount in business. The woven bamboo/Epoxy thermoplastic bio-composite is produced to address the requirements. Epoxy is sole resin that enables production of massive components using thermoset-like methods, such as LRI discussed in that study. Paper emphasizes effects of moisture absorption, repair capability, and stacking fiber orientation on impact resistance. A specialized drop tower were required to perform low-velocity impact examinations at various energy levels. Impact resistance were enhanced for dry <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\:(0/90{)}_{6}\)</EquationSource> </InlineEquation>alignment; nevertheless, moisture absorption reduced the peak impact force by 20%. 3-point bending examination were favored over compression after effect for examining remaining characteristics post-impact. Bio-composites with a <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(\:(\pm\:45{)}_{6}\)</EquationSource> </InlineEquation>orientation exhibited superior impact residual behaviour compared to <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(\:(0/90{)}_{6}\)</EquationSource> </InlineEquation>orientation, correlating with a 20% reduction in maximum bending force relative to the reference. Thermo-compression process were utilized to perform multiple impact/repair cycles and restore damaged plates, resulting in the notable highest impact at 5&#xa0;J on <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(\:(0/90{)}_{6}\)</EquationSource> </InlineEquation>plates and recovery of stiffness, underscoring their viability for repair in marine and automotive sectors.</p>

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Influence of fibre orientation and moisture on the impact response of woven bamboo/epoxy bio-composites

  • 期刊论文

  • 发表日期：

    2026年4月22日

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  • Shilpa B. Sahare,
  • Vadivel M,
  • P. Satishkumar,
  • Rajasekaran Saminathan,
  • N. Natarajan,
  • Bhoopathy Bhaskaran,
  • Jeevananthan V.

摘要

The significance of naturally reinforced bio-composite materials possessing advantageous characteristics, including excellent impact resistance, a high modulus-to-weight ratio, ease of repair, is paramount in business. The woven bamboo/Epoxy thermoplastic bio-composite is produced to address the requirements. Epoxy is sole resin that enables production of massive components using thermoset-like methods, such as LRI discussed in that study. Paper emphasizes effects of moisture absorption, repair capability, and stacking fiber orientation on impact resistance. A specialized drop tower were required to perform low-velocity impact examinations at various energy levels. Impact resistance were enhanced for dry \(\:(0/90{)}_{6}\) alignment; nevertheless, moisture absorption reduced the peak impact force by 20%. 3-point bending examination were favored over compression after effect for examining remaining characteristics post-impact. Bio-composites with a \(\:(\pm\:45{)}_{6}\) orientation exhibited superior impact residual behaviour compared to \(\:(0/90{)}_{6}\) orientation, correlating with a 20% reduction in maximum bending force relative to the reference. Thermo-compression process were utilized to perform multiple impact/repair cycles and restore damaged plates, resulting in the notable highest impact at 5 J on \(\:(0/90{)}_{6}\) plates and recovery of stiffness, underscoring their viability for repair in marine and automotive sectors.