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Mössbauer Spectroscopic Study of Rust Formed on a Weathering Steel and a Mild Steel Exposed for a Long Term in an Industrial Environment
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- Kamimura Takayuki
- Corporate Research and Development Laboratories, Sumitomo Metal Industries, Ltd.
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- Nasu Saburo
- Division of Materials Physics, Department of Physical Science,Graduate School of Engineering Science, Osaka University
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- Tazaki Takashi
- Division of Materials Physics, Department of Physical Science,Graduate School of Engineering Science, Osaka University
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- Kuzushita Kaori
- Division of Materials Physics, Department of Physical Science,Graduate School of Engineering Science, Osaka University
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- Morimoto Shotaro
- Division of Materials Physics, Department of Physical Science,Graduate School of Engineering Science, Osaka University
Bibliographic Information
- Other Title
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- Mossbauer Spectroscopic Study of Rust Formed on a Weathering Steel and a Mild Steel Exposed for a Long Term in an Industrial Environment
- Mössbauer Spectroscopic Study of Rust Formed on a Weathering Steel and a Mild Steel Exposed for a Long Term in an Industrial Environment
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Description
The rusts formed on mild steel (15-year exposure) and weathering steel (32-year exposure) exposed to an industrial environment have been characterized by means of X-ray diffraction technique and 57Fe Mössbauer spectroscopy. By using an X-ray diffraction method, it is suggested that the rusts formed on both steels consist of the crystalline α-FeOOH, γ-FeOOH and an X-ray amorphous phase, which gives no peak to X-ray diffraction pattern. The amount of the X-ray amorphous phase exceeds 50% of the total amount of the rust. The 57Fe Mössbauer spectra observed at 10 K indicate that the rust contains only α-FeOOH, γ-FeOOH and Fe3−δO4 (γ-Fe2O3) for mild steel, and only α-FeOOH and γ-FeOOH for weathering steel. The X-ray amorphous substance in the rust layer formed on mild steel possesses the structures of mainly α-FeOOH showing superparamagnetism owing to its small particle size, and Fe3−δO4 (γ-Fe2O3). They are contained both in the inner rust layer and in the outer rust layer. The X-ray amorphous phase in the rust layer formed on weathering steel is mainly α-FeOOH.
Journal
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 43 (4), 694-703, 2002
The Japan Institute of Metals and Materials
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Keywords
Details 詳細情報について
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- CRID
- 1390282679222315776
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- NII Article ID
- 10012322365
- 30018849309
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- NII Book ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38XksF2rsbc%3D
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- ISSN
- 13475320
- 13459678
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- NDL BIB ID
- 6263195
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed