Abstract
The recent research explores the hybridizing effect of inter and intra woven natural engineering fibers in epoxy composites. The inter and intra woven brown flax (Fb), white flax (Fw), and jute (J) fabrics have been comingled with short coir fibers (SCF). The composites are successfully made using the hand layup procedure, and the successive arrangement of fabrics is based on the tensile characteristics of inter and intra-woven fabrics. The physical, thermal, and mechanical characteristics of composites are experimentally studied. The C1 composite having (Fb+Fw)/Fw/J/J/Fw/(Fb+Fw) fabric sequence without filler demonstrated highest tensile strength of 30.15 MPa, elastic modulus of 2164.59 MPa, flexural strength of 66.46 MPa, and flexural modulus of 3900.74 MPa. However, the C3 composite containing SCF filler, having a similar fabric sequence as that of C1 demonstrated highest impact strength of 116.52 KJ/m2. Thermogravimetric analysis (TGA) revealed that the composite C3 exhibited better thermal stability than other hybrid patterns. Fourier transform infrared (FTIR) spectroscopy study confirmed the interaction of hydrogen bonds with different polymers, matrices, and fillers. Further, microstructural and fractography analysis have been done to analyze the surface phenomena of the composites and mechanical failure analysis.
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