A thermal gravimetric analyzer analyzed the thermal adsorption properties of developed composites with the temperature range of 28°C–650°C at a 20°C/min constant heat flow rate. The epoxy hybrid composites were synthesized using natural jute/sisal fibre hybridized with the addition of synthetic E-glass fibres at 0-degree, 0/90-degree, and intralaminar orientations through the wet filament-winding process. The effects of orientations on tensile, flexural, and impact strengths of epoxy hybrid composites were studied using ASTM D3039, D790, and D6110. The evaluated results were compared, and the epoxy hybrid composite containing intralaminar orientations found better thermal stability with reduced weight loss at 650°C. Similarly, the test result for mechanical studies of the hybrid composite showed superior tensile, flexural, and impact strengths. The epoxy hybrid composite with intralaminar orientation was found to have a maximum tensile, impact, and flexural strength of 61.91 MPa, 770.61 J/m, and 83.90 MPa, respectively.
Exposure to advanced materials with unique thermomechanical characteristics has fulfilled the requirements of automotive, marine, and structural industries. The current research investigates the thermal adsorption and mechanical properties of epoxy composite enriched by basalt fiber via resin moulding technique with an applied pressure of 2 bar. Hydrophobic and dynamic analyzer tests developed composite’s adsorption storage and loss modulus with 10, 30, 50, 70, 90, and 110 thermal cycles under 18°C to 150°C. ASTM test standards evaluated the effect of the thermal cyclic process on mechanical properties. The composite contained 45 vol% basalt fiber with 90 thermal cycles and found higher adsorption storage modulus, elasticity, tensile strength, and flexural strength of 9200 GPa, 80 GPa, 229 MPa, and 398 MPa, respectively. The thermal adsorption loss modulus was limited by 12% on 90 thermal cycles at 150°C compared to 10 thermal cycles.
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