HVOF Coating of Metallic Surfaces Using Different Powders: Fracture Toughness Measurement of Resulting Surfaces

Y.A. Al-Shehri; M.S.J. Hashmi; Bekir Sami Yilbas

doi:10.4028/www.scientific.net/AMR.445.621

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 445HVOF Coating of Metallic Surfaces Using Different...

HVOF Coating of Metallic Surfaces Using Different Powders: Fracture Toughness Measurement of Resulting Surfaces

Abstract:

In the present study, two layer HVOF coatings of carbon steel is carried out. The microstructural changes in the coating layers and fracture toughness of the coated surface are examined. The micro indentation method is incorporated for the fracture toughness measurements, while optical and scanning electron microscopy are used for the microstructural analysis. It is found that the fracture toughness of the coating surface produced by the tungsten carbide blended powders is less than that of the coating produced by corrosion resistance powders. Key words: HVOF, Diamalloy 2002, Diamalloy 4010, Fracture toughness.

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Periodical:

Advanced Materials Research (Volume 445)

Pages:

621-626

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.445.621

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Online since:

January 2012

Authors:

Y.A. Al-Shehri, M.S.J. Hashmi, Bekir Sami Yilbas

Keywords:

Diamalloy 2002, Diamalloy 4010, Fracture Toughness, HVOF

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