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Vol.4, No.4, 2025: pp.210-220
EXPERIMENTAL INVESTIGATION OF WEAR PERFORMANCE OF Al7075/ZrO2/Gr HYBRID METAL MATRIX COMPOSITES USING TOPSIS AND ANN
Authors:
R. Viswanathan1
, N. Sivashankar2
, P. Muthupandian3
, D. Apparao4
, T. Dinesh5
,
R. Thanigaivelan6
, P. Saravanan7
1Department of Mechanical Engineering, AVS Engineering College, Salem, Tamilnadu, India
2Department of Mechanical Engineering, Kongunadu College of Engineering and Technology
(Autonomous), Trichy, Tamilnadu, India
3Saveetha Engineering College, Thandalam, Chennai, Tamilnadu, India
4Aditya Institute of Technology and Management, Tekkali, Andhra Pradesh, India
5Independent Researcher, India
6Department of Mechanical Engineering, Shreenivasa Engineering College, Dharmapuri, Tamilnadu, India
7Department of Mechanical Engineering, Maha Barathi Engineering College, Chinnasalem, Tamilnadu, India
Received: 30 September 2025
Revised: 3 November 2025
Accepted: 19 November 2025
Published: 15 December 2025
Abstract:
This study presents the effects of zirconium dioxide (ZrO2) with 50 nm and graphite (Gr) of 40 µm on the mechanical and tribological behaviour of an aluminium-based metal matrix composite (Al7075) made by stir casting. The tribological behaviour of wear and the frictional qualities of metal matrix composites (MMCs) are further investigated by performing dry sliding wear tests utilising the pin-on-disc method. The TOPSIS Approach was employed to optimise wear parameters such as wear rate (WR) and coefficient of friction (COF). The findings of the analysis of variance demonstrated that the load and incorporation of nanoparticles had a greater influence on WR and COF, respectively. The addition of ZrO2 results in a significant improvement in wear resistance rate, and COF is significantly reduced with reinforcement of higher wt% ZrO2. Artificial neural network (ANN) optimisation is performed to check the TOPSIS outcomes and found that the optimal level and its outputs are P1V1D1M1, with WR is 0.00142 mm3/m and COF is 0.182.
Keywords:
Aluminum, MMCs, Al7075 alloy, Nano ZrO2–Gr, TOPSIS, Tribology, ANN
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© 2025 by the authors. This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)
Volume 4
Number 4
December 2025.
How to Cite
R. Viswanathan, N. Sivashankar, P. Muthupandian, D. Apparao, T. Dinesh, R. Thanigaivelan, P. Saravanan, Experimental Investigation of Wear Performance of Al7075/ZrO2/Gr Hybrid Metal Matrix Composites Using TOPSIS and ANN. Advanced Engineering Letters, 4(4), 2025: 210-220.
https://doi.org/10.46793/adeletters.2025.4.4.4
More Citation Formats
Viswanathan, R., Sivashankar, N., Muthupandian, P., Apparao, D., Dinesh, T., Thanigaivelan, R., & Saravanan, P. (2025). Experimental Investigation of Wear Performance of Al7075/ZrO2/Gr Hybrid Metal Matrix Composites Using TOPSIS and ANN. Advanced Engineering Letters, 4(4), 210-220.
https://doi.org/10.46793/adeletters.2025.4.4.4
Viswanathan, R., et al. “Experimental Investigation of Wear Performance of Al7075/ZrO2/Gr Hybrid Metal Matrix Composites Using TOPSIS and ANN.“ Advanced Engineering Letters, vol. 4, no. 4, 2025, pp. 210-220.
https://doi.org/10.46793/adeletters.2025.4.4.4
Viswanathan, R., N. Sivashankar, P. Muthupandian, D. Apparao, T. Dinesh, R. Thanigaivelan, and P. Saravanan. 2025. “Experimental Investigation of Wear Performance of Al7075/ZrO2/Gr Hybrid Metal Matrix Composites Using TOPSIS and ANN.“ Advanced Engineering Letters, 4 (4): 210-220.
https://doi.org/10.46793/adeletters.2025.4.4.4
Viswanathan, R., Sivashankar, N., Muthupandian, P., Apparao, D., Dinesh, T., Thanigaivelan, R. and Saravanan, P. (2025). Experimental Investigation of Wear Performance of Al7075/ZrO2/Gr Hybrid Metal Matrix Composites Using TOPSIS and ANN. Advanced Engineering Letters, 4(4), pp. 210-220.
doi: 10.46793/adeletters.2025.4.4.4.