Article (Scientific journals)
On the role of the hierarchical structures in the friction-induced phenomena of directed energy deposited 316L+WC sliding against different counter-bodies
Saggionetto, Enrico; Maurizi-Enrici, Tommaso; Dedry, Olivier et al.
2025In Tribology International
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Keywords :
Metal matrix composite; Directed energy deposition; Hierarchical structures; Counter-bodies influence
Abstract :
[en] A tribological study was conducted on a Directed Energy Deposited Metal Matrix Composite made of 316L and tungsten carbides as reinforcements. Pin-on-disc campaign in dry sliding conditions was carried out using counter-bodies with different properties. WC-6Co and Si3N4 were selected as main counter-bodies, complemented by Al2O3 and stainless steel for a more comprehensive study. The characterization of the wear behaviour considered each tribosystem at all levels, allowing to observe the different friction-induced phenomena at the macro-, micro- and nano-scale. Each counter-body stresses a specific hierarchical structure of the material making it possible to identify two main wear mechanisms: tribo-corrosive vs tribo-chemical.
Research Center/Unit :
CAREM - Center for Applied Research and Education in Microscopy
Sirris Research Center
Disciplines :
Materials science & engineering
Author, co-author :
Saggionetto, Enrico  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Maurizi-Enrici, Tommaso  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M) ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Dedry, Olivier  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Boschini, Frédéric  ;  Université de Liège - ULiège > Département de chimie (sciences) > GREEnMat
Tchuindjang, Jérôme Tchoufack  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Mertens, Anne  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Language :
English
Title :
On the role of the hierarchical structures in the friction-induced phenomena of directed energy deposited 316L+WC sliding against different counter-bodies
Publication date :
July 2025
Journal title :
Tribology International
ISSN :
0301-679X
eISSN :
1879-2464
Publisher :
Elsevier, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
IAWATHA
Funders :
FEDER - Fonds Européen de Développement Régional
FNR - Fonds National de la Recherche
Funding number :
PDR number 35298295
Available on ORBi :
since 09 July 2025

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