Process defects and in situ monitoring methods in metal powder bed fusion: a review

• Published in: Measurement science & technology Vol. 28; no. 4; pp. 44005 - 44029
• Main Authors: Grasso, Marco, Colosimo, Bianca Maria
• Format: Journal Article
• Language: English
• Published: IOP Publishing 01.04.2017
• Subjects: additive manufacturing; electron beam melting; in situ sensing; in-process monitoring; powder bed fusion; process signature; selective laser melting

Despite continuous technological enhancements of metal Additive Manufacturing (AM) systems, the lack of process repeatability and stability still represents a barrier for the industrial breakthrough. The most relevant metal AM applications currently involve industrial sectors (e.g. aerospace and bio...