Investigating the Mechanical Performance of Nylon 66/Glass Bead Composites
Abstract
In this study, the mechanical properties of glass bead-filled nylon 66 polymer composites were investigated. Composites with glass bead filler at rates of 10%, 30%, 40%, and 50% by weight were produced. Composite granules were produced using the compound production method while mechanical test specimens were molded using the injection molding method. The mechanical properties of the composites such as hardness, impact strength, tensile strength, % elongation at break and modulus of elasticity were investigated. The results showed that there were significant changes in the mechanical performance of the composites depending on the glass bead filler ratio. With the increase in glass bead filler, significant increases in tensile modulus and hardness were observed, while tensile strength, impact strength, and % elongation at break showed a decrease. The highest tensile modulus value, 5520 MPa, and the highest Shore D hardness value, 81.5, were obtained for the nylon 66 composite with 50% glass bead filler. The highest tensile strength value, 72.1 MPa, the highest un-notched Izod impact strength value, and the highest % elongation at break value were obtained for the pure nylon 66 polymer base matrix. From the scanning electron microscope images, it was determined that the glass beads were homogeneously distributed in the main matrix, but the matrix and the glass bead filler were partially bonded.
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