Aqueous passivation of multi-principal element alloy Ni38Fe20Cr22Mn10Co10: Unexpected high Cr enrichment within the passive film
By Gerard, Angela Y.; Han, Junsoo; McDonnell, Stephen J.; Ogle, Kevin; Kautz, Elizabeth J.; Schreiber, Daniel K.; Lu, Pin; Saal, James E.; Frankel, Gerald S.; Scully, John R.
Published in Acta Materialia
Acta Materialia
2020
Abstract
The aqueous passivation of a non-equiatomic Ni38Fe20Cr22Mn10Co10 - at.% (Ni40Fe20Cr20Mn10Co10 - wt.%) multi-principal element alloy (MPEA) was investigated in 0.1 M NaCl at pH 4 and compared to a conventional binary Ni76Cr24