Simulasi Kekuatan Mekanis Material Komposit Tempurung Kelapa Menggunakan Metode Elemen Hingga

Abstract

The resin matrix specimens were prepared with ASTM D 638 M-84 standard with epoxy resin and catalyst using a casting method. Data collection techniques used are laboratory testing techniques. The instrument used is a recording sheet. From the results of the research, the highest composite tensile strength was obtained with random layout of 3.38 kgf / mm2 and an extension of 0.38 mm, a cross of 3.03 kgf / mm2 and an extension of 0.86 mm, a continuous of 2.24 kgf / mm2 and an extension of 1.03 mm, woven of 1.64 kgf / mm2 and an extension of 0.64 mm. The fault form indicates that the tensile test results have a brittle fracture, because the fracture end is a 900 and rough fault, and the mechanism of fiber pull out. This shows the weak bond between fiber and matrix because the fibers contain layers such as wax (lignin and other impurities) that block the interface bonds between the fibers and the matrix.