Title: Density improvement of alumina parts produced through selective laser sintering of alumina-polyamide composite powder
Authors: Deckers, Jan ×
Kruth, Jean-Pierre
Shahzad, Khuram
Vleugels, Jef #
Issue Date: Aug-2012
Publisher: Elsevier BV
Series Title: CIRP Annals. Manufacturing Technology vol:61 issue:1 pages:211-214
Abstract: A powder metallurgy (PM) process to fabricate alumina parts through indirect Selective Laser Sintering (SLS) of spherical alumina-polyamide composite powder is presented. The PM process includes powder production, SLS, debinding and furnace sintering. Three different strategies are investigated in order to improve the density of the final alumina parts: laser remelting, warm isostatic pressing (WIP), and different infiltration techniques which use alumina containing suspensions: pressureless infiltration and infiltration under pressure (i.e. squeeze infiltration). Furthermore, microstructural and geometrical changes which occur during the PM process are investigated.
ISSN: 0007-8506
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
Department of Materials Engineering - miscellaneous
Surface and Interface Engineered Materials
× corresponding author
# (joint) last author

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