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<p>The utilization of fiber-reinforced composite materials is increasingly prevalent in the aerospace, structural and automotive industries, owing to lightweight characteristics. This research evaluates tamarind seed shell powder (TSSP) reinforced Waru bark-Banana pseudostem (WBBP) fiber composites, fabricated using compression molding. TSSP was incorporated at weight ratios of 0, 2, 4, 6, and 8 wt%, and alterations in impact, flexural, tensile properties, water absorbency was examined. WBBP/TSSD4 composite (6 wt% TSSP) demonstrated superior performance, exhibiting enhancements of 25.32% in tensile strength, a 22.54 increase at impact resistance, and 21.71 in flexural strength compared to neat WBBP composites. Above 6 wt% the inclusion of TSSP resulted in diminished mechanical characteristics because of interfacial debonding, inadequate dispersion, and filler aggregation. Morphological analyses indicate that low concentrations of matrix/fiber TSSP facilitate efficient stress transfer, while elevated filler levels result in matrix degradation and fiber dislocation, areas of stress concentration and leading to voids. The application of TSSP diminished moisture absorption, achieving the most significant reduction in WBBP/TSSD4 (21.12%) relative to the unmodified composites, hence improving dimensional stability and strength in humid environments. WBBP composites with TSSP possess the potential for application in automotive, industrial and structural sectors owing to enhanced moisture resistance and mechanical characteristics.</p>

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Mechanical and moisture absorption performance of tamarind seed shell powder reinforced Waru bark–Banana pseudo stem fiber composites

  • 期刊论文

  • 发表日期：

    2026年5月8日

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  • Shailendra Kumar Yadav,
  • J Srinivas,
  • B Velliyangiri,
  • S Balamurugan,
  • N Shalom,
  • D Vinod Kumar

摘要

The utilization of fiber-reinforced composite materials is increasingly prevalent in the aerospace, structural and automotive industries, owing to lightweight characteristics. This research evaluates tamarind seed shell powder (TSSP) reinforced Waru bark-Banana pseudostem (WBBP) fiber composites, fabricated using compression molding. TSSP was incorporated at weight ratios of 0, 2, 4, 6, and 8 wt%, and alterations in impact, flexural, tensile properties, water absorbency was examined. WBBP/TSSD4 composite (6 wt% TSSP) demonstrated superior performance, exhibiting enhancements of 25.32% in tensile strength, a 22.54 increase at impact resistance, and 21.71 in flexural strength compared to neat WBBP composites. Above 6 wt% the inclusion of TSSP resulted in diminished mechanical characteristics because of interfacial debonding, inadequate dispersion, and filler aggregation. Morphological analyses indicate that low concentrations of matrix/fiber TSSP facilitate efficient stress transfer, while elevated filler levels result in matrix degradation and fiber dislocation, areas of stress concentration and leading to voids. The application of TSSP diminished moisture absorption, achieving the most significant reduction in WBBP/TSSD4 (21.12%) relative to the unmodified composites, hence improving dimensional stability and strength in humid environments. WBBP composites with TSSP possess the potential for application in automotive, industrial and structural sectors owing to enhanced moisture resistance and mechanical characteristics.