Influence of Sputtered Nanocrystalline Coating on Oxidation and Hot Corrosion of a Nickel-based Superalloy M951

Xinyue Wang^1,², Li Xin^2,^*, Fuhui Wang², Shenglong Zhu², Hua Wei², Xiaolan Wang²

Fig. 20. XRD patterns of the samples after corrosion in Na 2 SO 4 + 25 wt% K 2 SO 4 salt at 850 #cod#x000b0;C: a the cast M951 alloy corroded for 10 h, b the as-sputtered coating corroded for 55 h and the pre-oxidized coating corroded for 100 h.