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<p>This research work concentrated on <i>Delonix regia</i> seed (DRS) particles as a bio-filler in vinyl ester (VE) matrix. Hand layup method was utilized for composite production with varying weight percentage of filler. The mechanical (tensile, flexural, impact &amp; hardness), Thermal (heat deflection) properties of DRS-VE composite were evaluated. Substantial increment in tensile strength and flexural strength was found with filler increasing content up to 20 wt% were 36.3 MPa and 122 MPa respectively. Additionally, there was an improvement in impact strength and hardness of the sample up to 20 wt% filler loading were 20.62 KJ/m<sup>2</sup> and 39.64 respectively. The observed heat deflection temperature of 69 °C in 15 wt% filler loading evident the thermal stability of prepared composite. The study determines that incorporating a filler content of 20 % greatly improves the thermal properties. SEM analysis was used to study the morphological properties of prepared composite.</p>

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Mechanical and thermal properties of Delonix regia seed filler reinforced vinyl ester composite for industrial application

  • 期刊论文

  • 发表日期：

    2026年1月10日

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  • Maharajan Prasanna Vengatesh,
  • Balasubramaniam Stalin,
  • Nagaraj Nagaprasad,
  • V. Vignesh

摘要

This research work concentrated on Delonix regia seed (DRS) particles as a bio-filler in vinyl ester (VE) matrix. Hand layup method was utilized for composite production with varying weight percentage of filler. The mechanical (tensile, flexural, impact & hardness), Thermal (heat deflection) properties of DRS-VE composite were evaluated. Substantial increment in tensile strength and flexural strength was found with filler increasing content up to 20 wt% were 36.3 MPa and 122 MPa respectively. Additionally, there was an improvement in impact strength and hardness of the sample up to 20 wt% filler loading were 20.62 KJ/m2 and 39.64 respectively. The observed heat deflection temperature of 69 °C in 15 wt% filler loading evident the thermal stability of prepared composite. The study determines that incorporating a filler content of 20 % greatly improves the thermal properties. SEM analysis was used to study the morphological properties of prepared composite.