Long-Term Phase Change of Rust Layer on Weathering Steel with Considering Cr-Substituted Ultra-Fine Goethite

Masato Yamashita; Toshihei Misawa

doi:10.3323/jcorr1991.49.96

Zairyo-to-Kankyo

Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480

Long-Term Phase Change of Rust Layer on Weathering Steel with Considering Cr-Substituted Ultra-Fine Goethite

Masato Yamashita, Toshihei Misawa

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Keywords: atmospheric corrosion, weathering steel, protective rust layer, long-term rust-phase change, Cr-substituted ultra-fine goethite (Cr-UFG)

JOURNAL FREE ACCESS

2000 Volume 49 Issue 2 Pages 96-98

DOI https://doi.org/10.3323/jcorr1991.49.96

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Abstract

We have tried to show detailed description of the long-term stabilizing process of rust layer on weathering steel reported previously by considering Cr-substituted ultra-fine goethite. As a result, detailed long-term rust-phase change on weathering steel is newly proposed, that is the change from initial poorly protective rust to the final protective Cr-substituted fine goethite via Cr-substituted ultra-fine goethite.

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