Effect of Moisture on the Tensile Properties of Composites with Bio-based Fibers and Matrix

Fibers and matrices made in full or part with plant-based (bio-based) materials are attracting increased attention in the composites industry on account of their potential for environmental sustainability. However, many bio-based constituents are known to be susceptible to moisture absorption and associated degradation. The objectives of this investigation are to evaluate the quasi-static tensile behavior of composites made with different combinations of jute and E-glass fibers and bio-based and synthetic (fossil-fuel based) epoxy matrices in the as-received condition and after a 24-hour soak in water at 66°C. The composites were manufactured using vacuum-assisted resin transfer molding. Fiber volume contents were determined for the composites. Tensile strength and modulus were measured on as received and water-soaked composites. After water exposure, the jute fiber composites suffered a large reductions in modulus with either type of matrix and a larger eduction in strength with the bio-based matrix but not the synthetic matrix. The E-glass composite with the synthetic matrix, which was only tested in the as received condition, had much higher modulus and strength in comparison to the jute fiber composites.



Work Title Effect of Moisture on the Tensile Properties of Composites with Bio-based Fibers and Matrix
Open Access
  1. Serenah R Pauliuc
  1. Composites
  2. Fibers
  3. Mechanical Properties
License CC BY-NC 4.0 (Attribution-NonCommercial)
Work Type Poster
Publication Date April 2021
DOI doi:10.26207/4y0a-w415
Deposited April 27, 2021




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