Assessment tribological properties of coatings applied by HVOF technology

• Autorzy: Brezinová J. , Guzanová A. , Draganovská D. , Egri M.
• Języki publikacji: EN

Abstrakty

EN

In this article, the attention is paid to the HVOF (High Velocity Oxygen Fuel) thermal spraying method by which the progressive coatings are applied on basic material C15E (STN 412020). These coatings are based on C-17CO, WC-CO-Cr and Cr3C2-25NiCr. There was made determination of the chemical composition of the coatings and assessment of coatings quality - adhesion, microhardness, porosity and wear resistance at room temperature (21°C) and also at operational elevated temperature (900°C). Results of adhesive wear showed high quality of all evaluated coatings and their suitability to extreme tribological conditions.

Słowa kluczowe

EN

HVOF coatings; adhesion; hardness; porosity; wear resistance

PL

powłoki HVOF; przyczepność; twardość; porowatość; odporność na zużycie

• Wydawca: Oficyna Wydawnicza Politechniki Białostockiej
• Czasopismo: Acta Mechanica et Automatica
• Rocznik: 2013
• Tom: Vol. 7, no. 3
• Strony: 135--139
• Opis fizyczny: Bibliogr. 15 poz., rys., tab., wykr.

Twórcy

autor

Brezinová J.

• Faculty of Mechanical Engineering, Department of Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia

autor

Guzanová A.

• Faculty of Mechanical Engineering, Department of Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia

autor

Draganovská D.

• Faculty of Mechanical Engineering, Department of Technology and Materials, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia

autor

Egri M.

• SLOVNAFT Montáže a Opravy, a.s., Vlčie hrdlo, P.O.Box 52, 820 03 Bratislava, Slovakia

Bibliografia

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• 2. Bolelli G. et al. (2007), Microstructural and tribological comparison of HVOF-sprayed and post-treated M–Mo–Cr–Si (M=Co, Ni) alloy coatings, Wear, Vol. 263, 1397-1416.
• 3. Bolelli G., Lusvarghi L., Barletta M. (2009), HVOF-sprayedWC–CoCr coatings on Al alloy: Effect of the coating thickness on the tribological properties, Wear, Vol. 267, 944–953.
• 4. Fang W. (2009), Processing optimization, surface properties and wear behavior of HVOF spraying WC–CrC–Ni coating, Journal of Materials Processing Technology, Vol. 209, 3561-3567.
• 5. González-Hermosilla W. A. et al. (2010), Effect of substrate roughness on the fatigue behavior of a SAE 1045 steel coated with a WC–10Co–4Cr cermet, deposited by HVOF thermal spray, Materials Science and Engineering A, Vol. 527, 6551-6561.
• 6. Hadad M. et al. (2008), Adhesion evaluation of multilayered based WC–Co–Cr thermally sprayed coatings, Surface and Coatings Technology, Vol. 202, 4399-4405.
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• 12. Sidhu H. S., Sidhu B. S., Prakash S. (2006), Mechanical and microstructural properties of HVOF sprayed WC–Co and Cr3C2–NiCr coatings on the boiler tube steels using LPG as the fuel gas, Journal of Materials Processing Technology, Vol. 171, 77–82.
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• 15. Venkateswarlu K. et al. (2009), Abrasive wear behavior of thermally sprayed diamond reinforced composite coating deposited with both oxy-acetylene and HVOF techniques, Wear, Vol. 266, 996-1002.