Determining the Effects of Inter-Layer Time Interval in Powder-Fed Laser-Directed Energy Deposition on the Microstructure of Inconel 718 via In Situ Thermal Monitoring

Determining the Effects of Inter-Layer Time Interval in Powder-Fed Laser-Directed Energy Deposition on the Microstructure of Inconel 718 via In Situ Thermal Monitoring

Cylindrical Inconel 718 specimens were fabricated via a blown-powder, laser-directed energy deposition (DED-L) additive manufacturing (AM) process equipped with a dual thermal monitoring system to learn key process–structure relationships. Thermographic inspection of the heat affected zone (HAZ) and...

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Bibliographic Details
Main Authors: Evan Handler, Aref Yadollahi, Yucheng Liu, Scott M. Thompson
Format: Article
Language:English
Published: MDPI AG 2024-01-01
Series:Materials
Subjects:
additive manufacturing
laser engineered net shaping
thermal monitoring
quality control
microstructure
melt pool
Online Access:https://www.mdpi.com/1996-1944/17/3/538

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