About: Experimental investigation of porosity distribution in selective laser melted Inconel 718

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Experimental investigation of porosity distribution in selective laser melted Inconel 718
Creator	Corliss, Mike Del Bosque, Hernan Hyder, James Nguyen Hung, Wayne Wang, Fengyi
Source	Elsevier
abstract	Abstract This paper reviews the mechanisms of pore forming in additively manufactured metals and presents the statistical analysis of porosity and its distribution in selective laser melted Inconel 718. Samples were printed at different combinations of laser powers and scanning speeds. Printed samples were sectioned, ground, and polished for porosity study. Imaging techniques captured the pore profile and distribution at different region for comparison: from inside to outside and from bottom to top of a sample. Although a linear energy density of 350 J/m significantly reduced porosity in a sample, choosing different combinations of power and scanning speed for the same energy density produced different results in porosity. Pore density at the periphery of a sample was about 3-20 times denser than that in the interior. Finish machining with at least 200 µm depth of cut was recommended to enhance surface finish, control dimension and tolerance while removing the high density porosity layer.
has issue date	2020-12-31(xsd:dateTime)
bibo:doi	10.1016/j.promfg.2020.05.117
has license	els-covid
sha1sum (hex)	babd9dbbf317d654609b5f226f1ec4b2dd1a9a85
schema:url	https://doi.org/10.1016/j.promfg.2020.05.117
resource representing a document's title	Experimental investigation of porosity distribution in selective laser melted Inconel 718
schema:publication	Procedia Manufacturing
resource representing a document's body	covid:babd9dbbf317d654609b5f226f1ec4b2dd1a9a85#body_text
is schema:about of	named entity 'enhance' named entity 'Printed' named entity 'sample' named entity 'speed' named entity 'distribution' named entity 'distribution' named entity 'selective' named entity 'mechanisms' named entity 'polished' named entity 'study' named entity 'laser' named entity 'Samples' named entity 'control' named entity 'surface finish' named entity 'region' named entity 'statistical analysis' named entity 'porosity' named entity 'laser' named entity 'energy density' named entity 'porosity' named entity 'porosity' named entity 'Inconel' named entity 'superalloy' named entity 'SLM' named entity 'shielding gas' named entity 'viscosity' named entity 'high density' named entity 'pore density' named entity 'depth of cut' named entity '2, 3' named entity 'pore density' named entity 'machining' named entity 'corrosion' named entity 'porosity' named entity 'creep resistance' named entity 'energy density' named entity 'molten metal' named entity 'laser' named entity 'linear density' named entity 'experimental studies' named entity 'porosity' named entity 'fatigue' named entity 'direct energy' named entity 'additively manufactured' named entity 'porosity' named entity 'porosity' named entity 'molten metal' named entity 'standard deviation' named entity 'high temperature' named entity 'machining' named entity 'SLM' named entity 'creep resistance' named entity 'laser beam' named entity 'SLM' named entity 'laser scanning' named entity 'SLM' named entity 'mass spectrometer' named entity 'subtractive methods' named entity 'pore density' named entity 'HIP' named entity '316L' named entity 'net shape' named entity 'SLM' named entity 'SLM' named entity 'thermal resistance' named entity 'carbon' named entity 'HIP' named entity 'viscosity' named entity 'porosity' named entity 'creep resistance' named entity 'fatigue' named entity 'laser' named entity 'argon gas' named entity 'surface finish' named entity 'surface finish' named entity 'additively manufactured' named entity 'porosity' named entity 'hot isostatic pressing' named entity 'energy density' named entity 'porosity'

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