Deposition strategy driven tailoring of tribological performance in thick-wall robotic wire arc additive manufacturing of Al–Si alloys

Deepak Kumar, Sunil Jha, Department of Mechanical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi

Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications

Published online on April 24, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, Ahead of Print.
This study investigates the influence of deposition strategy on the microstructural evolution and tribological response of AA4043 thick walls fabricated via robotic WAAM using CMT–GMAW. Unidirectional (U) and bidirectional (B) triangular weaving ...