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Tribology of Thermally Sprayed Coatings in the Al2O3-Cr2O3-TiO2 System

Tribology of Thermally Sprayed Coatings in the Al2O3-Cr2O3-TiO2 System

Lutz-Michael Berger
Copyright: © 2015 |Pages: 41
ISBN13: 9781466674899|ISBN10: 146667489X|EISBN13: 9781466674905
DOI: 10.4018/978-1-4666-7489-9.ch008
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MLA

Berger, Lutz-Michael. "Tribology of Thermally Sprayed Coatings in the Al2O3-Cr2O3-TiO2 System." Thermal Sprayed Coatings and their Tribological Performances, edited by Manish Roy and J. Paulo Davim, IGI Global, 2015, pp. 227-267. https://doi.org/10.4018/978-1-4666-7489-9.ch008

APA

Berger, L. (2015). Tribology of Thermally Sprayed Coatings in the Al2O3-Cr2O3-TiO2 System. In M. Roy & J. Davim (Eds.), Thermal Sprayed Coatings and their Tribological Performances (pp. 227-267). IGI Global. https://doi.org/10.4018/978-1-4666-7489-9.ch008

Chicago

Berger, Lutz-Michael. "Tribology of Thermally Sprayed Coatings in the Al2O3-Cr2O3-TiO2 System." In Thermal Sprayed Coatings and their Tribological Performances, edited by Manish Roy and J. Paulo Davim, 227-267. Hershey, PA: IGI Global, 2015. https://doi.org/10.4018/978-1-4666-7489-9.ch008

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Abstract

With the exception of ZrO2, the individual oxides and binary compositions in the system Al2O3-Cr2O3-TiO2 are the most important oxide materials for thermally sprayed coating solutions. Traditionally, these coatings are prepared by Atmospheric Plasma Spraying (APS), but processes such as Detonation Gun Spraying (DGS) and High Velocity Oxy-Fuel (HVOF) spraying can produce coatings with lower porosity and higher wear resistance. Traditionally, feedstock powders have been used for coating preparation. Recent developments have seen the emergence of suspensions as a new feedstock, but tribological properties of coatings prepared using suspensions have not yet been studied in detail. This chapter summarizes some important issues regarding wear protection applications of coatings in the Al2O3-Cr2O3-TiO2 system, the advantage of alloying the individual oxides, and the influence of different feedstocks and spray processes.

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