ORBi: Vaneetveld Grégory - Optimization of the formulation and post-treatment of stainless steel for rapid manufacturing

Reference : Optimization of the formulation and post-treatment of stainless steel for rapid manufact...


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Mechanical engineering Engineering, computing & technology : Materials science & engineering Engineering, computing & technology : Chemical engineering
	To cite this reference:	http://hdl.handle.net/2268/19210

Title :	Optimization of the formulation and post-treatment of stainless steel for rapid manufacturing
Language :	English
Author, co-author :	Vaneetveld, Grégory [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
	Clarinval, A. M. [>CRIF-WTCM Rapid Manufacturing Departement > > > > > >]
	Dormal, T. [>CRIF-WTCM Rapid Manufacturing Departement > > > > > >]
	Noben, J. C. [>Metal Inject SA, 4140 Sprimont, Belgium > > > > > >]
	Lecomte-Beckers, Jacqueline [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
Publication date :	2008
Journal title :	Journal of Materials Processing Technology
Publisher :	Elsevier Science
Volume :	196
Issue/season :	1-3
Pages :	160-164
Audience :	International
ISSN :	0924-0136
City :	Lausanne
Country :	Switzerland
Keywords :	[en] Optoform shapes functional ; photocurable paste ; UV photoinitiator and wetting agent ; Optoform machine
Abstract :	[en] Rapid prototyping process called Optoform shapes functional parts from a photocurable paste. This paste contains metal powder, resin, UV photoinitiator and wetting agent. After processing on the Optoform machine, a post-treatment is applied (debinding+sintering). During the post-treatment, the residual carbon coming from the resin modifies the composition of the metal and its melting point. This modification affects densification mechanisms, which leads to a residual porosity that lowers mechanical characteristics. We will present theoretical consideration leading to the optimization of the formulation. To improve the process, bimodal powder is used and thermal treatment is adapted. (c) 2007 Elsevier B.V. All rights reserved.
Target :	Researchers ; Professionals ; Students
Permalink :	http://hdl.handle.net/2268/19210
DOI :	10.1016/j.jmatprotec.2007.05.017

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