Coatings 2011, 1(1), 17-52; doi:10.3390/coatings1010017
Article

Optimization and Characterization of High Velocity Oxy-fuel Sprayed Coatings: Techniques, Materials, and Applications

1 VTT Technical Research Centre of Finland, POB 1000, VTT 02044, Finland 2 Department of Materials Science and Engineering, Aalto University School of Chemical Technology, POB 16200, Aalto 00076, Finland
* Author to whom correspondence should be addressed.
Received: 28 July 2011; in revised form: 19 August 2011 / Accepted: 19 August 2011 / Published: 2 September 2011
(This article belongs to the Special Issue Advanced Thermal Spray Coatings for Emerging Applications)
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Abstract: In this work High Velocity Oxy-fuel (HVOF) thermal spray techniques, spraying process optimization, and characterization of coatings are reviewed. Different variants of the technology are described and the main differences in spray conditions in terms of particle kinetics and thermal energy are rationalized. Methods and tools for controlling the spray process are presented as well as their use in optimizing the coating process. It will be shown how the differences from the starting powder to the final coating formation affect the coating microstructure and performance. Typical properties of HVOF sprayed coatings and coating performance is described. Also development of testing methods used for the evaluation of coating properties and current status of standardization is presented. Short discussion of typical applications is done.
Keywords: thermal spray; coating; HVOF; optimization; characterization; standardization

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MDPI and ACS Style

Oksa, M.; Turunen, E.; Suhonen, T.; Varis, T.; Hannula, S.-P. Optimization and Characterization of High Velocity Oxy-fuel Sprayed Coatings: Techniques, Materials, and Applications. Coatings 2011, 1, 17-52.

AMA Style

Oksa M, Turunen E, Suhonen T, Varis T, Hannula S-P. Optimization and Characterization of High Velocity Oxy-fuel Sprayed Coatings: Techniques, Materials, and Applications. Coatings. 2011; 1(1):17-52.

Chicago/Turabian Style

Oksa, Maria; Turunen, Erja; Suhonen, Tomi; Varis, Tommi; Hannula, Simo-Pekka. 2011. "Optimization and Characterization of High Velocity Oxy-fuel Sprayed Coatings: Techniques, Materials, and Applications." Coatings 1, no. 1: 17-52.

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