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Author Bolot, Rodolphe ♦ Liao, Hanlin ♦ Mateus, Crisalia ♦ Coddet, Christian ♦ Bordes, Jean Michel
Source SpringerLink
Content type Text
Publisher Springer US
File Format PDF
Copyright Year ©2007
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Chemistry & allied sciences
Subject Keyword computational fluid dynamics ♦ internal thermal spray ♦ twin wire-arc ♦ Analytical Chemistry ♦ Operating Procedures, Materials Treatment ♦ Characterization and Evaluation of Materials ♦ Materials Science ♦ Tribology, Corrosion and Coatings ♦ Surfaces and Interfaces, Thin Films
Abstract This paper presents a CFD (Computational Fluid Dynamic) study and experimental results concerning a rotating twin wire-arc spray process for the production of coatings on engine cylinder bores. In this process, the wire atomization is performed using a gas injection coaxially with the cylinder axis. The thermal spray tool is equipped with a deviation head rotating around the cylinder axis and allowing deflecting the droplet spray perpendicularly to the cylinder surface. The initial deviation head was found to be not sufficiently efficient so that a new deviation head incorporating an inclined slot was designed and used. Both CFD results and experiments showed that this new deviation head is more efficient. Moreover, it allowed increasing the coating bond-strength up to the specifications imposed by PSA Peugeot-Citroen. The present article shows that the wire-arc spray technology may replace efficiently the Atmospheric Plasma Spray (APS) for the thermal spray of coatings on engine cylinder bores. Moreover, it shows how CFD may help in solving industrial problems. In particular, the FLUENT CFD code was used in order to perform improvements of the deviation head design.
ISSN 10599630
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2007-09-26
Publisher Place Boston
e-ISSN 15441016
Journal Journal of Thermal Spray Technology
Volume Number 16
Issue Number 5-6
Page Count 8
Starting Page 783
Ending Page 790

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Source: SpringerLink