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Abstract
The objective of the paper was to investigate by statistical analysis, the degradation of mechanical properties due to hygrothermal exposure of the glass fibre-reinforced acrylonitrile butadiene styrene (ABS) composites at different orientations and compositions.The glass reinforced ABS composites were prepared by hot press technique with different orientation sequences such as 0o/90o, 45o/-45o and 30o/60o strand orientations. The specimens of tensile, flexural and impact fatigue tests were exposed to artificial sea water at 50 °C. All the tests were conducted as per ASTM. Design of experiments using Taguchi L18 Array was formulated to examine the influence of parameters on properties degradation in sea water exposure. The taguchi results showed that fibre orientation of 0°/90° and fibre to resin ratio of 40:60 are the most optimal combinations based on their flexural strength (86.6 MPa), UTS (37.8MPa), and impact strength (134.9 J/m). The overall results showed that 0°/90° fibre orientation and 40:60 fibre-to-resin ratio are best combination for high degradation resistance.
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