Prediction of the Hardness of Pulverized Glass Waste-Reinforced Aluminium Alloy 6061-T6 Friction Stir Welded Joint

Abstract:

The purpose of this study is to investigate the friction stir weld quality of pulverized glass waste (PGW)-reinforced AA6061-T6 and develop a model predicting the hardness of the joint. Friction stir welding of PGW-reinforced AA6061-T6 was done within a process window. The process was optimized for the maximum joint hardness. Thereafter, the result of the hardness was used to develop a model using a novel statistical analytical technique. The addition of PGW enhanced the AA6061-T6 friction stir welded joint hardness. The maximum hardness (112 HV) of the PGW-reinforced joint, which was obtained at optimal setting of 900 rpm rotational speed, 40 mm/min traverse speed and 1^o tilt angle, is by a factor of 1.72 greater than the unreinforced joint and close to the hardness of the as-received AA6061-T6 (120 HV). The developed model can predict the hardness of the PGW-reinforced AA6061-T6 joint up to an accuracy of 89%. The model shows that the rotational speed, tilt angle and their interaction contributed significantly to the hardness of the PGW-reinforced AA6061-T6 friction stir welded joint. This model is suitable for determining the hardness property of particle-reinforced AA6061-T6 friction stir welded joint at varying processing parameters.

• Periodical: International Journal of Engineering Research in Africa (Volume 62)
• Pages: 31-42
• DOI: https://doi.org/10.4028/p-j02z6p
• Online since: November 2022
• Authors: Taiwo Ebenezer Abioye*, Ebenezer Olanipekun, Abu Seman Anasyida
• Keywords: AA6061-T6, Borosilicate Glass Waste, Friction Stir Welding, Hardness, Particulate Reinforcement, Regression Model

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