In-process monitoring of porosity in additive manufacturing using optical emission spectroscopy
Abstract
A key challenge in metal additive manufacturing is the prevalence of defects, such as discontinuities within the part (e.g., porosity). The objective of this work is to monitor porosity in Laser Powder Bed Fusion (L-PBF) additive manufacturing of nickel alloy 718 (popularly called Inconel 718) test parts using in-process optical emission spectroscopy. To realize this objective, cylinder-shaped test parts are built under different processing...
Paper Details
Title
In-process monitoring of porosity in additive manufacturing using optical emission spectroscopy
Published Date
Oct 9, 2019
Journal
Volume
52
Issue
5
Pages
500 - 515
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