Laser metal deposition in-situ process control for different build strategies

Laser metal deposition in-situ process control for different build strategies

Quality assurance is a key factor for industry adoption of additive manufacturing (AM) technologies. The implementation of in-situ process controls for AM processes is crucial for achieving consistent quality AM components. This paper explores the control measures required to attain Laser Metal D...

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Bibliographic Details
Main Authors: Pang, John Hock Lye, Kaminski, Jacek, Tan, Eddie Zhi’en
Other Authors: School of Mechanical and Aerospace Engineering
Format: Conference or Workshop Item
Language:English
Published: 2018
Subjects:
Laser Metal Deposition
DRNTU::Engineering::Mechanical engineering::Prototyping
Additive Manufacturing
Online Access:https://hdl.handle.net/10356/88573
http://hdl.handle.net/10220/45828
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Institution: Nanyang Technological University
Language: English
Description
Summary:Quality assurance is a key factor for industry adoption of additive manufacturing (AM) technologies. The implementation of in-situ process controls for AM processes is crucial for achieving consistent quality AM components. This paper explores the control measures required to attain Laser Metal Deposition (LMD) process consistency. LMD was used to form three sets of Stainless Steel AISI 316L block specimens using three different build strategies. Using an in-situ system, the melt pool characteristics were monitored and controlled by the machine. Analysis of the differences in the process control results for each build strategy was conducted.

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