Article (Scientific journals)
Optimization of the formulation and post-treatment of stainless steel for rapid manufacturing
Vaneetveld, Grégory; Clarinval, A. M.; Dormal, T. et al.
2008In Journal of Materials Processing Technology, 196 (1-3), p. 160-164
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Keywords :
Optoform shapes functional; photocurable paste; UV photoinitiator and wetting agent; Optoform machine; LiMaRC - Liège Materials Research Center
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.
Disciplines :
Mechanical engineering
Materials science & engineering
Chemical engineering
Author, co-author :
Vaneetveld, Grégory ;  Université de Liège - ULiège > 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 - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Language :
English
Title :
Optimization of the formulation and post-treatment of stainless steel for rapid manufacturing
Publication date :
2008
Journal title :
Journal of Materials Processing Technology
ISSN :
0924-0136
Publisher :
Elsevier Science, Lausanne, Switzerland
Volume :
196
Issue :
1-3
Pages :
160-164
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 August 2009

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