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Numerical simulation of in-flight particle oxidation during thermal spraying

Zeoli, N., Gu, S. and Kamnis, S. (2008) Numerical simulation of in-flight particle oxidation during thermal spraying Computers and Chemical Engineering, 32, (7), pp. 1661-1668. (doi:10.1016/j.compchemeng.2007.08.008).

Record type: Article


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.

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Published date: 24 July 2008
Keywords: CFD, numerical modelling, oxidation, thermal spray, HVOF


Local EPrints ID: 54083
ISSN: 0098-1354
PURE UUID: 02873a6c-3883-4604-94c5-de0dd65ca484

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Date deposited: 04 Aug 2008
Last modified: 17 Jul 2017 14:36

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Author: N. Zeoli
Author: S. Gu
Author: S. Kamnis

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