OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 25 No. 3 2023 Results and discussion In this study, after obtaining a composite material, samples were made from it, the weight and size of which are shown in Table 1 From the foregoing, it can be inferred that that the increase in the weight of the composite material occurs mainly due to the increase in the weight of the resin. Accordingly, in composite studies, the impact of weight is primarily caused by the weight of resin. Jute fibers in a four-layered basket weave were chosen for this study because of its ability to distribute force equally in both the WARP and WEFT directions. As the number of layers in a composite increase, its qualities improve. 0 Re Im ω1 ω0 ω2 At Resonance α1 α2 C Fig. 5. Nyqust plot for fitting circle method Ta b l e 1 Weight and Size of specimen No. Type (Thickness) Weight, gram 1 Single Layer (Approx. 4 mm) 16–18 2 Double Layer (Approx. 4 mm) 18–19 3 Triple Layer (Approx. 4 mm) 21–22 4 Tetra Layer (Approx. 4 mm) 24–25 Test Specimen size 1 Tensile (ASTM D-638) 30 cm × 3 cm 2 Flexural (ASTM D-790) 125 mm × 12.7 mm 3 Impact (ASTM D-256) 63.5 mm × 12.7 mm 4 Free Vibration Test 170 mm × 17 mm
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