A. Sagasti and J. Gutierrez would like to thank the financial support provided by the Basque Government under the MICRO4FAB (ELKARTEK program) and Research Groups IT711-13 projects. They would like also to thank Prof. A.R. Pierna from the UPV/EHU and Dr. J.M. Vega from Cidetec for very valuable conversations about corrosion in metallic glasses. A.C. Lopes thanks MSCA-IF-2015 (Marie Skłodowska Curie Actions) of the European Union's Horizon 2020 Programme for the received funds under grant agreement n◦ .