Studies of the metallurgical and mechanical properties of high velocity oxy-fuel sprayed stellite-6 coatings on Ni- and Fe-based superalloys

Microstructural characteristics and mechanical properties of HVOF sprayed NiCrAl coating on superalloys

“…Some particles might have oxidized due to the in-flight oxidation during the deposition of successive passes. Dent et al [14] and Sidhu et al [15] also observed the in-flight oxidation of the powders during HVOF spraying.…”

Optimization and Characterization of High Velocity Oxy-fuel Sprayed Coatings: Techniques, Materials, and Applications

“…HVOF sprayed NiCr and Cr 3 C 2 -20NiCr coatings have proven very good high temperature corrosion resistance in biomass fired boiler exposures [72]. NiCrBSi and Stellite-6 coatings tested in coal-fired boilers have shown good hot corrosion resistance [73]. HVOF coatings, such as NiCrSiB and Ni-Cr-Fe-Nb-Mo alloys, for high temperature erosion and corrosion protection have been widely used in waste-to-energy plants in order to [74].…”

Microstructural and Wear Characteristics of High Velocity Oxygen Fuel (HVOF) Sprayed NiCrBSi–SiC Composite Coating on SAE 1030 Steel

“…For the HVOF-sprayed nickel-based coating, the typical coating thicknesses are in the range of 250-300 µm as suggested by Sidhu [29]. All coatings were completely crackfree.…”

“…Figure 8 shows the XRD patterns for the HVOF-sprayed NiCrBSi-SiC coatings and it is evident that the coatings mainly consist of γ -nickel-based face-centred cubic (fcc) structure as a principal phase. This situation is a feature common in all the nickel-based coated [24][25][26][27][28][29][30][31][32][33]. XRD patterns of the coatings have also revealed the presence of very low intensity peaks of Ni 4 B 3 , BNi 2 , BNi 3 , SiC and Cr 7 C 3 phases.…”