NDLI: Influence of process parameters on surface roughness of aluminum parts produced by DMLS

Content Provider	Springer Nature Link
Author	Caligna, F. Manfredi, D. Ambrosio, E. P. Iulia, L. Fi, P.
Copyright Year	2012
Abstract	Direct metal laser sintering (DMLS) is an additive manufacturing technique for the fabrication of near net-shaped parts directly from computer-aided design data by melting together different layers with the help of a laser source. This paper presents an investigation of the surface roughness of aluminum samples produced by DMLS. A model based on an L18 orthogonal array of Taguchi design was created to perform experimental planning. Some input parameters, namely laser power, scan speed, and hatching distance were selected for the investigation. The upper surfaces of the samples were analyzed before and after shot peening. The morphology was analyzed by means of field emission scanning electron microscope. Scan speed was found to have the greatest influence on the surface roughness. Further, shot peening can effectively reduce the surface roughness.
Starting Page	2743
Ending Page	2751
Page Count	9
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	67
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer London
Publisher Date	2012-12-30
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aluminum AlSi10Mg Direct metal laser sintering (DMLS) Taguchi method Surface roughness Industrial and Production Engineering Production/Logistics/Supply Chain Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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