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This study details the manufacturing technique of phenolic resin-based bidirectional fiber-reinforced composites using the vacuum-assisted resin transfer molding (VARTM) method. Plain weave carbon T700, E-Glass, and basalt fabrics were utilized for manufacturing with resole-type phenolic resin. A detailed manufacturing procedure with a technique post-curing at high temperatures was explained. The viscosity of the phenolic resin with different catalyst ratios was studied to provide insight into the selection of resin catalyst ratio for the manufacturing process. Experiments were conducted as per ASTM standards—ASTM D792 and ASTM D3171 to determine the density, fiber volume fraction, and void fraction of the manufactured composite laminates. Results showed that the fiber volume fraction is higher at the resin inlet than at the resin outlet. A void fraction of about 9% was observed in carbon and basalt fabrics, while 4% for S-Glass fabric.

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Manufacturing of Phenolic Resin-Based Fiber Reinforced Composites using VARTM Method

  • 会议论文

  • 发表日期：

    2025年

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  • Kathir Vadivel Marimuthu,
  • Shamsher Bahadur Singh,
  • Sudhirkumar V. Barai

摘要

This study details the manufacturing technique of phenolic resin-based bidirectional fiber-reinforced composites using the vacuum-assisted resin transfer molding (VARTM) method. Plain weave carbon T700, E-Glass, and basalt fabrics were utilized for manufacturing with resole-type phenolic resin. A detailed manufacturing procedure with a technique post-curing at high temperatures was explained. The viscosity of the phenolic resin with different catalyst ratios was studied to provide insight into the selection of resin catalyst ratio for the manufacturing process. Experiments were conducted as per ASTM standards—ASTM D792 and ASTM D3171 to determine the density, fiber volume fraction, and void fraction of the manufactured composite laminates. Results showed that the fiber volume fraction is higher at the resin inlet than at the resin outlet. A void fraction of about 9% was observed in carbon and basalt fabrics, while 4% for S-Glass fabric.