Exploring tribological properties in the design and manufacturing of metal matrix composites: an investigation into the AL6061-SiC-fly ASH alloy fabricated via stir casting process oleh Sagar Kumar Murmu, Somnath Chattopadhayaya, Robert Cep, Ajay Kumar, Ashwini Kumar, Shambhu Kumar Mahato, Amit Kumar, Priya Ranjan Sethy, K. Logesh