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June 14, 2026Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering

Waste to wealth approach: RSM-based tribological optimization of red mud/WC hybrid reinforced AA6061 composites

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Authors

RNRamasamy NallamuthuPMPrakash MBAB. Anbarasan

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Overview

Randomized trial demonstrates improved wear resistance in aluminum composites using red mud and tungsten carbide reinforcement, suggesting effective waste reuse strategies.

Key Points

  • This study aims to develop aluminum matrix composites using red mud and tungsten carbide to enhance wear resistance for engineering applications.
  • Developed AA6061 metal matrix composites using stir-casting techniques and hybrid reinforcement.
  • Investigated tribological behaviors using varying concentrations (2, 4, and 6 wt.%) of red mud and tungsten carbide.
  • Utilized response surface methodology for optimization of reinforcement composition and wear parameters.
  • 4 wt. % reinforced composites showed an 80.6% reduction in wear rate compared to base alloy materials.
  • Surface roughness decreased by 31.01% for the optimized composite.
  • Optimal sliding speed and load determined to be 300 r/min and 47.56 N, respectively.

Cite This Study

Nallamuthu et al. (2026) studied this question.

synapsesocial.com/papers/6a2e4704b1cc60ccdea8ba50https://doi.org/10.1177/09544089261459706
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