Effects of sub-atmospheric pressure on keyhole dynamics and porosity in products fabricated by selective laser melting

Effects of sub-atmospheric pressure on keyhole dynamics and porosity in products fabricated by selective laser melting

A powder-scale multi-physics model is developed to investigate the keyhole dynamics and porosity in products fabricated by selective laser melting (SLM) under the sub-atmospheric pressure. The effects of the sub-atmospheric pressure on the plume attenuation of the laser beam, vaporization temperatur...

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Bibliographic Details
Main Authors: Tan, Pengfei, Kiran, Raj, Zhou, Kun
Other Authors: School of Mechanical and Aerospace Engineering
Format: Journal Article
Language:English
Published: 2021
Subjects:
Engineering::Mechanical engineering
3D Printing
Selective Laser Melting
Online Access:https://hdl.handle.net/10356/154124

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