Abstract
AbstractIn the present study, three different series of iron alloy based coating materials with varying chromium and titanium content (FeMoCSiBCr10, FeMoCSiBCr10Ti10, FeMoCSiBTi10) were deposited on 316L stainless steel using High velocity oxy‐fuel spraying method. The effect of alloying element chromium and titanium on corrosion, mechanical and erosion properties of iron alloy based coating material was evaluated. Corrosion test was performed in the medium of sodium chloride (3.5 wt.%). Mechanical tests were performed in terms of micro‐hardness and fracture toughness. The solid particle erosion test of iron based coating materials was performed according to steady state condition by varying impact speed and impingement angle. The finding of results indicated that in case of 10 wt.% titanium, the micro‐hardness and fracture toughness was increased by 25.6 % and 16 % respectively, whereas in case of 10 wt.% chromium, the micro‐hardness and fracture toughness was increased by 20.6 % and 9.8 % respectively. It can be concluded for the selection of an alloying element in an iron alloy based coating material, titanium should be given preference over chromium to get better mechanical and solid particle erosion properties whereas chromium should be given preference over titanium to get better corrosion properties.
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