V. G. Patil, B. Somasundaram, S. Kandaiah, N. Jagadeeswaran
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Microstructure Characteristics and Properties of NiCrMoFeCoAl-30%Cr3C2 HVOF Coating on T22 Boiler Tube Steel
In the current investigation, the NiCrMoFeCoAl-30%Cr3C2compositecoating was deposited on T22 baresteel with the HVOF technique. Cr3C2-based coatings offer high hardness, and good corrosion resistance.High-velocity oxy-fuel spray techniquescomprising suspension feedstock have been consideredaparticularly promising substitute for producing more homogeneous and denser Cr3C2coatings with loweras-depositedhigher hardness, surface roughness, and superior quality corrosionresistance.The specimen's microstructure has been characterized by SEM/EDAX and XRD methods. The coating thickness, porosity, microhardness, and coating density have been assessed.
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