RT info:eu-repo/semantics/article
T1 Element-Resolved Corrosion Analysis of Stainless-Type Glass-Forming Steels
A1 Serrano Gutiérrez, Jorge
AB Ultrathin passive films effectively prevent the chemical attack of stainless steel grades in corrosive environments; their stability depends on the interplay between structure and chemistry of the constituents iron, chromium, and molybdenum (Fe-Cr-Mo). Carbon (C), and eventually boron (B), are also important constituents of steels, although in small quantities. In particular, nanoscale inhomogeneities along the surface can have an impact on material failure but are still poorly understood. Addressing a stainless-type glass-forming Fe50Cr15Mo14C15B6 alloy and using a combination of complementary high-resolution analytical techniques, we relate near-atomistic insights into increasingly inhomogeneous nanostructures with time- and element-resolved dissolution behavior. The progressive elemental partitioning on the nanoscale determines the degree of passivation. A detrimental transition from Cr-controlled passivity to Mo-controlled breakdown is dissected atom by atom, demonstrating the importance of nanoscale knowledge for understanding corrosion.
PB Science
YR 2013
FD 2013
LK https://uvadoc.uva.es/handle/10324/65233
UL https://uvadoc.uva.es/handle/10324/65233
LA eng
NO Science 341, 6144 (2013)
DS UVaDOC
RD 01-jun-2024