X-Ray Diffraction Study of High Velocity Oxy-Fuel (HVOF) Sprayed Cr3C2-NiCr Coating

Manpreet Kaur; Harpreet Singh; Satya Prakash

doi:10.4028/www.scientific.net/AMR.620.186

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 620X-Ray Diffraction Study of High Velocity Oxy-Fuel...

X-Ray Diffraction Study of High Velocity Oxy-Fuel (HVOF) Sprayed Cr₃C₂-NiCr Coating

Abstract:

Among the various characterization techniques, X-ray diffraction (XRD) analysis is a key method which reveals various phases and protective oxides formed on the surfaces of exposed specimens. This paper discusses the XRD study of two boiler steels, namely ASTMSAE213-T22 and SAE-347H with and without High Velocity Oxy-fuel (HVOF) spray Cr₃C₂-NiCr coating, which were exposed to air, molten salt [Na₂SO₄-82%Fe₂(SO₄)₃], and actual boiler environments. XRD analysis has been discussed and the results obtained from the analysis are shown. The performance of the steels was found to improve after the deposition of the coating, which may be attributed to the formation of protective phases.

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Periodical:

Advanced Materials Research (Volume 620)

Pages:

186-192

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.620.186

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Online since:

December 2012

Authors:

Manpreet Kaur, Harpreet Singh, Satya Prakash

Keywords:

Boiler Steels, Cr₃C₂-NiCr, High-Temperature Corrosion, HVOF, X-Ray Diffraction (XRD)

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