Feasibility Study of Er70s Solidwire for Wire Arc Additive Manufacturing using Mig Welding
DOI:
https://doi.org/10.15662/IJEETR.2026.0802298Keywords:
Wire Arc Additive Manufacturing, MIG welding, ER70S solid wire, feasibility study, deposition rate, metallurgical properties, mechanical properties, weld bead geometry, additive manufacturing, process optimizationAbstract
Additive manufacturing (AM) using Metal Inert Gas (MIG) welding offers a cost-effective approach for fabricating metal components. This study investigates the feasibility of using ER70S mild steel wire as feedstock in wire arc additive manufacturing (WAAM). Process parameters such as voltage, current, and wire feed rate were optimized through experimentation. Microstructural analysis and mechanical testing, including tensile strength and hardness, were conducted to evaluate the fabricated parts.
The results show that ER70S wire can produce components with satisfactory quality and mechanical properties. However, defects like porosity and cracking were observed, and mitigation strategies are proposed. This study highlights the potential of MIG-based AM for cost-effective and scalable industrial applications.
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