Grafen Takviyeli PS Kompozitlerinin Yapisal, Isil Ve Mekanik Özelliklerinin İncelenmesi

Nowadays, the industrial use of nanoparticle reinforced composites is increasing. With the nanoparticle reinforcements used, many properties of the composites may be improved and this makes them preferred in many areas. Composite materials produced with nanoparticles have more functional and superior properties than the materials produced by other methods.One of the areas where composites are used is insulation materials. The properties of these materials are improved by the addition of different reinforcements. In this study, 30 µm  particle size graphene reinforcement was produced in polystrene matrix with different weight ratios.Nano reinforcements of 0.1, 0.2 and 0.3% were added to pure polystyrene and materials were produced by plastic injection method. In the production stage of the materials, crystal polystyrene was melted and combined with nanoparticles and poured into molds. For homogeneous distribution of materials during jointing. Stirred at 80 rpm for 10 minutes. The materials produced are plate-shaped. SEM analysis for microstructure characterization of composite materials, tensile strength, hardness and TGA analysis were performed to determine mechanical and thermal properties.  When the molecular structure of the materials were examined, it was seen that the  reinforcing material did not cause any change in the microstructure of pure polystyren. In tensile tests, graphene doped composites increased the average percent elongation of the material by 1.3%. Since the graphene particles reinforced into the polystyrene matrix cause stress build-up along the grain boundaries, the maximum breaking strength value was reduced by about 30% compared to pure polystyrene. Although graphene did not cause changes in the studies, it has improved significantly in many features.