MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Cl K-Edge XANES Spectra of Atmospheric Rust on Fe, Fe-Cr and Fe-Ni Alloys Exposed to Saline Environment
Hiroyuki KonishiMasato YamashitaHitoshi UchidaJun'ichiro Mizuki
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2004 Volume 45 Issue 12 Pages 3356-3359

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Abstract

Cl K-edge XANES measurements of atmospheric corrosion products (rust) formed on Fe, Fe-Ni and Fe-Cr alloys in chloride pollution have been performed using synchrotron radiation in order to clarify roles of anticorrosive alloying elements and of Cl in the corrosion resistance of weathering steel. The spectra of binary alloys show a shoulder structure near the absorption edge. The intensity of the shoulder peak depends on the kind and amount of the alloying element, whereas the energy position is invariant. This indicates that Cl is not combined directly with alloying elements in the rust.

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© 2004 The Japan Institute of Metals and Materials
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