Microstructural evolution and mechanical properties of circular disc fabricated by multi-layer multi-track cold metal transfer wire arc additive manufacturing

Dipak M Hajare, Nitin Kumar Lautre, Anand Kumar KoppuDepartment of Mechanical Engineering, Visvesvaraya National Institute of Technology

Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering

Published online on September 16, 2025

Abstract

Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, Ahead of Print.
The study investigates the microstructural evolution and mechanical performance of a multi-track, multi-layer circular disc fabricated from low-carbon steel (ER70S-G) using the cold metal transfer wire arc additive manufacturing (CMT-WAAM) process. The ...