Studies on Influence of WC on Scratch and Hot Corrosion Resistance of AISI H13 Steel by Flame-Sprayed Coatings of EWAC 1001
Figure 12
(a) Surface scale morphology and EDAX analysis for the uncoated AISI H13 steel subjected to cyclic oxidation in air at 700°C for 50 cycles: (i) 97.59% Fe2O3, 02.36% MnO and (ii) 82.55% Fe2O3, 17.54% MnO. (b) Surface scale morphology and EDAX analysis for the EWAC 1001 + WC (20%) coated H13 steel subjected to cyclic oxidation in air at 700°C for 50 cycles: (i) 32% Cr2O3, 64% NiO, 1.5% SiO2 and (ii) 19% NiO, 76% Cr2O3, 03% SiO2.
