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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: J Biomed Mater Res A. 2014 Mar 26;103(1):211–223. doi: 10.1002/jbm.a.35165

Figure 8.

Figure 8

Evidence of a Fenton-like reaction during ICI corrosion. A) SEI of ICI corroded region in which there is an Fe-rich particle (white arrow)). B) EDS spectrum confirming the presence of Fe in that location and a decrease in cobalt. The nodules in this cell-corroded region are high in iron implying that a Fenton-like reaction was involved in the corrosion of CoCrMo alloy. This finding of nodules rich in iron was seen in most of the cell-induced corrosion regions analyzed and in the streaks (Fig. 2) associated with migrating cells.