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Numerical simulation of in-flight particle oxidation during thermal spraying

Zeoli, N, Gu, S and Kamnis, S (2007) Numerical simulation of in-flight particle oxidation during thermal spraying Computers & Chemical Engineering, 32 (7, 24 ). pp. 1661-1668.

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Abstract

Metal powders are widely used for thermal spray coating to improve wear, corrosion and temperature resistance of products. The high thermal profiles endured for sprayed particles give rise to oxidation on the surface of metal powders. Metallic oxides are brittle and undermine the performance of coated products. To understand the growth of oxide layers on in-flight metal powders, an oxidation model is implemented into the Lagrangian formula of particle tracking. The numerical simulation is achieved for a 3D combusting gas flow generated by a high velocity oxygen fuel (HVOF) thermal spray gun. The results are able to demonstrate the correlation between in-flight particle oxidation and operation parameters.

Item Type: Article
Authors :
NameEmailORCID
Zeoli, NUNSPECIFIEDUNSPECIFIED
Gu, Ssai.gu@surrey.ac.ukUNSPECIFIED
Kamnis, SUNSPECIFIEDUNSPECIFIED
Date : 19 August 2007
Identification Number : 10.1016/j.compchemeng.2007.08.008
Uncontrolled Keywords : CFD, Numerical modelling, Oxidation, Thermal spray, HVOF
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:51
Last Modified : 17 May 2017 15:13
URI: http://epubs.surrey.ac.uk/id/eprint/840593

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