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英昭, 幸; 隆之, 上村; 教史, 土井; 正人, 山下; 俊平, 三澤

doi:10.2320/materia.41.39

Cited by 3 publications

(3 citation statements)

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“…The examined portion did not directly exposed to the rain because it is the middle one of the three girders underneath the slab of the bridge. The surface treatment promoting the protective rust layer formation 9,10) was coated at 30 Â 10 À6 m thick to 0.5 m width of the box girder close to an abutment of the bridge in January 1996. This surface treatment consisted of butyral resin, usual paint pigments, H 3 PO 4 and Cr 2 (SO 4 ) 3 , diluted with a solvent, and did not contain protective Cr-goethite, as shown in Table 1.…”

Section: Rust Samplesmentioning

confidence: 99%

“…9,10) The surface treatment was designed to form the protective Cr-goethite nano particles employing the effect of Cr 2 (SO 4 ) 3 . Detailed concept of the surface treatment was addressed in literature.…”

Section: Introductionmentioning

confidence: 99%

“…Detailed concept of the surface treatment was addressed in literature. 9,10) In the present study, we examine the structure of rust layer formed during 10 years on a weathering steel bridge to which the surface treatment was first applied in 1996.…”

Section: Introductionmentioning

confidence: 99%

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X-ray Diffraction Analysis of Rust Layer on a Weathering Steel Bridge with Surface Treatment Using Synchrotron Radiation

Yamashita

Hara²,

Harada³

et al. 2007

Mater. Trans.

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Section: Rust Samplesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

X-ray Diffraction Analysis of Rust Layer on a Weathering Steel Bridge with Surface Treatment Using Synchrotron Radiation

Yamashita

Hara²,

Harada³

et al. 2007

Mater. Trans.

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Oxidation of green rust suspensions containing different chromium ion species

et al. 2010

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Investigation of Rust Layer Formed on Weathering Steel Coated with a Surface Treatment Promoting Protective Rust Formation

Doi¹,

Kashima²,

Wagure³

et al. 2007

J. Soc. Mat. Sci., Japan

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The rust layer formed on the weathering steels coated with a surface treatment promoting protective rust formation exposed at a coastal region containing 0.4mg/dm 2 /day of airborne salt particles for 9 years has been investigated by means of X-ray diffraction, Raman spectroscopy, Electron probe micro-analysis and Mössbauer spectroscopy. In the surface treatment, Cr2(SO4)3 is contained to form the protective rust layer. Corrosion loss vs. time curve of surface treated weathering steels follows Y = AX B type function, where X is the exposure duration, Y is the corrosion loss, A and B are the constants. The surface of the treated weathering steels were covered with triple layers ; outer rust layer, surface treatment film and inner rust layer. The outer rust layer consisted of mainly β −FeOOH, and the inner one mainly α −FeOOH. Cr enrichment was observed in the inner rust layer. It can be said that the surface treatment works well to promote the formation of Cr-containing α −FeOOH layer formed on weathering steel.

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Cited by 3 publications

References 0 publications

X-ray Diffraction Analysis of Rust Layer on a Weathering Steel Bridge with Surface Treatment Using Synchrotron Radiation

X-ray Diffraction Analysis of Rust Layer on a Weathering Steel Bridge with Surface Treatment Using Synchrotron Radiation

Oxidation of green rust suspensions containing different chromium ion species

Investigation of Rust Layer Formed on Weathering Steel Coated with a Surface Treatment Promoting Protective Rust Formation

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