Titre :

Understanding deposition mechanism in cold sprayed ultra high molecular weight polyethylene coatings on metals by isolated particle deposition method

Auteur(s) :

Ravi, Kesavan [Auteur]
Tohoku University [Sendai]
Matériaux, ingénierie et science [Villeurbanne] [MATEIS]
Deplancke, Tiana [Auteur]
Matériaux, ingénierie et science [Villeurbanne] [MATEIS]
Ogawa, Kazuhiro [Auteur]
Tohoku University [Sendai]
Cavaillé, Jean-Yves [Auteur]
ELyTMaX
Lame, Olivier [Auteur]
Matériaux, ingénierie et science [Villeurbanne] [MATEIS]

Titre de la revue :

Additive Manufacturing

Numéro :

21

Pagination :

191-200

Date de publication :

2018

Discipline(s) HAL :

Sciences de l'ingénieur [physics]/Matériaux
Sciences de l'ingénieur [physics]/Génie des procédés
Chimie/Matériaux
Chimie/Polymères

Résumé en anglais : [en]

The cold spray has been shown to be one of the promising additive manufacturing technologies to process Ultra High Molecular Weight Polyethylene (UHMWPE)-metal integrated systems by successfully being able to coat UHMWPE ...
Lire la suite >The cold spray has been shown to be one of the promising additive manufacturing technologies to process Ultra High Molecular Weight Polyethylene (UHMWPE)-metal integrated systems by successfully being able to coat UHMWPE on metals using fumed nano-alumina (FNA) as UHMWPE particle surface modifiers. However, the exact mechanism of UHMWPE deposition and role of FNA was widely unknown. This study aims at identifying the fundamental parameters involved in high strain-rate UHMWPE deposition and their role in successful adhesion by a technique called Isolated Particle Deposition (IPD). Major parameters that influenced the UHMWPE deposition efficiency significantly were the particle temperature and velocity and net surface activity of FNA. The stored elastic energy of UHMWPE decreases with increase in temperature, and the deposition criterion for a successful UHMWPE deposition is not to have net stored elastic energy after impact. Effect of FNA was seen in generating H-bonds that helped to establish bridge bond at UHMWPE-substrate interface.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
CNRS
ENSCL
INRA

Collections :

• Autres travaux scientifiques

Date de dépôt :

2019-05-17T09:25:24Z
2020-02-27T14:48:27Z