The principal aim of this research is to systematically examine the effects arising from the addition of SiC (Silicon carbide) nanoparticles into the stir zone of AZ31B magnesium alloy during the process of double-sided friction welding. The study utilized two groups of sample specimens – the control group consisting of AZ31B magnesium alloy joined by double-sided friction welding (N = 20), and the experimental group consisting of AZ31B-SiC composite joined by double-sided friction welding (N = 20). The G-power analysis was employed with a power of 80% and α = 0.05 to calculate the sample size, resulting in a total sample size of 40. The analysis of double-sided friction welding for AZ31BSiC composite resulted in a measured tensile strength of 215.40 MPa, while the AZ31B alloy achieved a tensile strength of 190.78 MPa. The observed outcomes revealed a statistically significant distinction between the two groups, with a calculated p-value of 0.001 (p < 0.05). The incorporation of novel SiC nanoparticles into the stir zone of AZ31B magnesium alloy during the double-sided friction welding process yields a substantial enhancement in the properties of the joint. This improvement is evident through the higher tensile strength achieved by the AZ31B-SiC composite compared to the AZ31B alloy. The obtained results highlight the prospective efficacy of SiC nanoparticle reinforcement in augmenting the mechanical properties of double-sided friction welded AZ31B magnesium alloy, thereby positioning it as a promising and viable approach for a diverse range of engineering applications.

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