In this paper, it was investigated about the flexural and hardness behaviour of graphene reinforced with hemp fiber composites. Hemp fibres with graphene of two different laminates are prepared. Epoxy resin of grade LY556 along with hardener HY 951 is blended with graphene composites through hand layup method. The mechanical properties of graphene reinforced NaOH treated and untreated hemp fibre laminates are tested for their efficiency. Results indicate that Graphene when it is reinforced with hemp fibre, the mechanical properties namely flexural and hardness behaviour are enhanced to a greater extent. These composites have various academic and engineering fields.
Abrasive wear is of particular importance in various ground-engaging applications and the necessity of tools with high wear resistant materials has increased exponentially to extend the life span as well as to reduce the cost involved in manufacturing. This work is mainly focusing on the development of wear resistance for the aforementioned ground-engaging applications. An overlaying alloy (stellite 6) in the form of electrode form was used to coat the mild steel of grade C-45, which was used as the substrate material. The wear behaviour was characterized using a Pin-on-Disk test setup in a dry condition. A correlation between the size of overlaid material and the size of the C-45 material was observed by an optical microscope and observed that the presence of the CoCr alloy matrix significantly improves the wear resistance. The presence of the CoCr alloy matrix is found to enhance the wear resistance by reducing the rate of wear of the material. The results show that the increasing coating thickness increases the hardness of the material and the significant improvement in the wear resistance with coating.
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