Fig. 9: XPS depth profiling of CrCoNi and CrMnFeCoNi after long-term corrosion. | npj Materials Degradation

Fig. 9: XPS depth profiling of CrCoNi and CrMnFeCoNi after long-term corrosion.

From: Long-term corrosion studies of CrCoNi and CrMnFeCoNi in sulfuric acid

Fig. 9

XPS depth profiles demonstrating the elemental composition of CrCoNi (right) and CrMnFeCoNi (left) corroded for 28 d in 1 M H2SO4 after different times of Ar ions sputtering. The error bars correspond to uncertainty in the content of a given element in the sample obtained in three independent deconvolutions. The larger error of 15% was obtained for Fe. The uncertainty of the determination of the content of other elements was 6-10%.

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