Advanced machine learning for optimal parameter prediction in friction stir processing of Al-6061 alloy with alumina nanoparticle reinforcementRavi Kumar, Sushil Bhardwaj, Neeraj Kumar, Ranjeev Kumar Chopra, Monika Mehra and Satish SainiMetall. Res. Technol., 122 1 (2025) 105DOI: https://doi.org/10.1051/metal/2024096