Abstract
AA6082–TiO2 surface composites are prepared by friction stir processing (FSP). Fabricating defect-free surface composite with uniform particle distribution by FSP is a challenging task. In this study, TiO2 particle-reinforced AA6082 alloy surface composites were fabricated using different FSP parameters to find the optimum tool rotation speeds and traverse speeds. This investigation was carried out with optical microscopy and was found that TiO2 reinforcement particles are disintegrated and distributed homogenously by the stirring action of the tool, which also forges the plasticized material. The hardness profile was obtained using Vickers microhardness test across the thermomechanically affected zone and welded zone and found that the retreating side had more hardness. The tensile test was also performed to identify the change in the strength due to the surface composite.
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Sandar, D., Chatterjee, R., Bharathi, R.J., Sreehari, P. (2019). Investigation on the Microstructure and Mechanical Properties of AA6082/TiO2 Surface Composites Produced by Friction Stir Processing. In: Lakshminarayanan, A., Idapalapati, S., Vasudevan, M. (eds) Advances in Materials and Metallurgy. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-1780-4_3
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DOI: https://doi.org/10.1007/978-981-13-1780-4_3
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