Element-Resolved Corrosion Analysis of Stainless-Type Glass-Forming Steels

Author:

Duarte M. J.1234,Klemm J.1,Klemm S. O.1,Mayrhofer K. J. J.1,Stratmann M.1,Borodin S.1,Romero A. H.25,Madinehei M.3,Crespo D.3,Serrano J.6,Gerstl S. S. A.4,Choi P. P.4,Raabe D.4,Renner F. U.1

Affiliation:

1. Department of Interface Chemistry and Surface Engineering, Max-Planck Institut für Eisenforschung GmbH, 40237 Düsseldorf, Germany.

2. Departamento de Materiales, Centro de Investigación y de Estudios Avanzados, Instituto Politécnico Nacional (CINVESTAV-IPN), 76230 Queretaro, Mexico.

3. Departament de Fisica Aplicada, Universitat Politècnica de Catalunya, 08860 Castelldefels, Spain.

4. Department of Microstructure Physics and Alloy Design, Max-Planck Institut für Eisenforschung GmbH, 40237 Düsseldorf, Germany.

5. Max-Planck Institut für Mikrostrukturphysik, 06120 Halle, Germany.

6. Institució Catalana de Recerca i Estudis Avançats (ICREA), Universitat Politècnica de Catalunya, 08860 Castelldefels, Spain.

Abstract

Rust Resistance The rusting of iron and steel can be prevented through the addition of 11% or more chromium. The addition of molybdenum can enhance the corrosion resistance, with a complex interplay between the Cr and Mo atoms. However, if chemical variations exist, corrosion can still occur in localized regions or if the surface layer is mechanically abraded. Duarte et al. (p. 372 ) studied the corrosive failure of an iron-based glassy alloy. A combination of atom probe tomography, electron microscopy, and x-ray diffraction was used to build up a near atomistic picture of local variations in the metal as it was heated and allowed to crystallize, and the impact these processes have on the corrosion resistance.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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