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This investigation aims to evaluate how different silicon carbide weight fractions affect the mechanical and tribological properties of Al6061 composites.

August 12, 2026Open Access

Tribological Behaviour and Mechanical Characterisation of Al6061/SiC Metal Matrix Composites Fabricated by Stir Casting: Influence of Silicon Carbide Weight Fraction on Wear Rate, Hardness, and Tensile Properties

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SJSayyad Asim J.

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Implication

Experimental investigation of composite formulations shows optimal properties at 12% SiC weight fraction, suggesting limits for enhanced performance.

Key Points

This investigation aims to evaluate how different silicon carbide weight fractions affect the mechanical and tribological properties of Al6061 composites.
Fabricated five Al6061/SiC formulations with SiC weight fractions of 0, 4, 8, 12, and 16% using stir casting at 700°C.
Characterized composites for density, hardness, tensile strength, elongation, and Young's modulus according to ASTM standards.
Evaluated tribological behavior with a pin-on-disc tribometer using a Taguchi L18 design varying SiC content, load, and sliding speed.
12 wt% SiC composite reached UTS of 218 MPa (+47.3% over base Al6061) and hardness of 89.4 HV (+53.1%).
Minimum wear rate observed at 12 wt% SiC under all test conditions.
ANOVA showed SiC content significantly influenced wear rate (44.8%), followed by applied load (29.6%) and sliding speed (17.4%).

Cite This Study

Sayyad Asim J. (2026) studied this question.

synapsesocial.com/papers/6a7c20a306a85aed514b7943 https://doi.org/10.5281/zenodo.21868853

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Implication

Experimental investigation of composite formulations shows optimal properties at 12% SiC weight fraction, suggesting limits for enhanced performance.

Tribological Behaviour and Mechanical Characterisation of Al6061/SiC Metal Matrix Composites Fabricated by Stir Casting: Influence of Silicon Carbide Weight Fraction on Wear Rate, Hardness, and Tensile Properties

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Tribological Behaviour and Mechanical Characterisation of Al6061/SiC Metal Matrix Composites Fabricated by Stir Casting: Influence of Silicon Carbide Weight Fraction on Wear Rate, Hardness, and Tensile Properties

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