Abstract
Differently from the powder-based additive (AM) techniques, wire-based ones aim to produce larger parts with moderate complexity and semi-finished features. For this reason, wire-based additive manufacturing (WBAM) is a strong candidate to compete with subtractive manufacturing techniques and forging. Compared to powder-based, WBAM presents higher layer thickness, thus having higher build-up and deposition rates, despite lower-dimensional accuracies and surface roughness. However, WBAM and powder-based AM are not concurrent technologies since both produce parts for different applications. Problems in EBAM are amplified due to the large part sizes; residual stresses and distortion from the high heat input directly impair the part quality.
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