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Densification and geometrical assessments of alumina parts produced through indirect selective laser sintering of alumina-polystyrene composite powder
Deckers, Jan (Author), Kruth, Jean-Pierre (Author), Cardon, Ludwig (Author), Shahzad, Khuram (Author), Vleugels, Jef (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-6COHLNNT This link opens in a new window

Abstract
A powder metallurgy (PM) process to fabricate alumina parts through indirect Selective Laser Sintering (SLS) of alumina-polystyrene composite powder particles is presented. The PM process includes powder production through dispersion polymerisation, SLS, debinding and solid state sintering. Dimensional changes, which occur during the debinding and solid state sintering are assessed. Warm isostatic pressing (WIP) and both pressureless and pressure infiltration are introduced as extra steps of the PM process chain. The influence of WIP and the infiltration steps on the changes in density, geometry and microstructure during the PM process are investigated.

Language:English
Keywords:additive manufacturing, ceramic, indirect selective laser sintering, alumina, polystyrene
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2013
Number of pages:str. 646-661, SI 134
Numbering:Vol. 59, no. 11
UDC:621.762
ISSN on article:0039-2480
DOI:10.5545/sv-jme.2013.998 Link is opened in a new window
COBISS.SI-ID:13218843 Link is opened in a new window
Views:742
Downloads:270
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:dodajalne izdelovalne tehnologije, keramika, posredno lasersko sintranje, aluminij, polistiren

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