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Effect of sintering temperature on pore ratio and mechanical properties of composite structure in nano graphene reinforced ZA27 based composites

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Abstract

Nano graphene platelet (Gr) reinforced nano composites with a zinc-aluminum alloy (ZA27) matrix were produced by powder metallurgy at four different mass ratios (0.5wt%, 1.0wt%, 2.0wt% and 4.0wt%) and three different sintering temperatures (425, 450, and 475°C). In order to investigate the effect of sintering temperatures and nano graphene reinforcement materials on the composite structure, the microstructures of the composite samples were investigated and their densities were determined with a scanning electron microscope. Hardness, transverse rupture, and abrasion wear tests were performed to determine the mechanical properties. According to the test results, the porosity increased and the mechanical strength of the nano composites decreased as the amount of nano graphene reinforcement in ZA27 increased. However, when the composites produced in different reinforcement ratios were evaluated, the increase in sintering temperature increased the mechanical structure by positively affecting the composite structure.

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Acknowledgement

This study was supported by Kırıkkale University BAP Unit within the scope of project numbered 2018/043.

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  1. Department of Electric and Energy, Kırıkkale University, Kırıkkale, 71450, Turkey

    Muharrem Pul

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  1. Muharrem Pul
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Pul, M. Effect of sintering temperature on pore ratio and mechanical properties of composite structure in nano graphene reinforced ZA27 based composites. Int J Miner Metall Mater 27, 232–243 (2020). https://doi.org/10.1007/s12613-019-1926-2

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  • DOI: https://doi.org/10.1007/s12613-019-1926-2

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