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Fundamental physics effects of background gas species and pressure on vapor plume structure and spatter entrainment in laser melting

Journal Article · · Additive Manufacturing

Not Available

Sponsoring Organization:
USDOE
OSTI ID:
1863459
Alternate ID(s):
OSTI ID: 1873637
Journal Information:
Additive Manufacturing, Journal Name: Additive Manufacturing Journal Issue: C Vol. 55; ISSN 2214-8604
Publisher:
ElsevierCopyright Statement
Country of Publication:
Netherlands
Language:
English

References (25)

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Fluid and particle dynamics in laser powder bed fusion journal January 2018
Transient dynamics of powder spattering in laser powder bed fusion additive manufacturing process revealed by in-situ high-speed high-energy x-ray imaging journal June 2018
Spattering and denudation in laser powder bed fusion process: Multiphase flow modelling journal September 2020
Simulations for gas flows in microgeometries using the direct simulation Monte Carlo method journal December 2004
Melt dynamics and melt-through time in continuous wave laser heating of metal films: Contributions of the recoil vapor pressure and Marangoni effects journal September 2017
Kinetic simulations of laser-induced plume expansion into a background gas under conditions of spatial confinement journal April 2019
Numerical simulation of a supersonic gas–solid flow over a blunt body: The role of inter-particle collisions and two-way coupling effects journal December 2005
Single track formation in selective laser melting of metal powders journal September 2010
Observation of keyhole-mode laser melting in laser powder-bed fusion additive manufacturing journal December 2014
Investigation of the laser–powder–atmosphere interaction zone during the selective laser melting process journal November 2015
Influence of gas atmosphere (Ar or He) on the laser powder bed fusion of a Ni-based alloy journal February 2021
Mechanisms and characteristics of spatter generation in SLM processing and its effect on the properties journal March 2017
Free underexpanded jets in a quiescent medium: A review journal August 2015
Transitional flow of a rarefied gas over a spinning sphere journal September 2011
Metal vapor micro-jet controls material redistribution in laser powder bed fusion additive manufacturing journal June 2017
Numerical Study of Two Fluid Rayleigh-Taylor Instability journal January 1967
The underexpanded jet Mach disk and its associated shear layer journal September 2014
Laser-induced plume investigated by finite element modelling and scaling of particle entrainment in laser powder bed fusion journal December 2019
Numerical Modeling of Powder Gas Interaction Relative to Laser Powder Bed Fusion Process journal November 2020
Controlling interdependent meso-nanosecond dynamics and defect generation in metal 3D printing journal May 2020
Spattering effects during selective laser melting journal May 2020
Drag Coefficients of Spheres in Continuum and Rarefied Flows journal June 1976
Characterization of Metal Powders Used for Additive Manufacturing journal January 2014

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