An in Situ Raman Spectroscopy System for Long-term Corrosion Experiments in High Temperature Water up to 673K
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概要
- 論文の詳細を見る
A Raman spectroscopy system has been developed, in order to identify metal oxides formed on the surfaces of metals and steels in high temperature water up to 673 K. A supercritical water loop system including a Raman cell was installed. The design of the loop system is up to 673 K and 40 MPa. The Raman cell has a diamond window without window-to-metal packing. Raman spectrum of alumina plate was measured at room temperature, at 523 K and at 673 K under pressure of 25 MPa. A long-term measurement was also performed at 523 K and 25 MPa for 117.5 h. In all cases intense Raman peaks attributed to alumina were observed. Raman spectrum of anatase particles in suspension was measured at 673 K and 25 MPa. The results show that the Raman spectroscopy system developed in the present study works well not only for plate sample but also for suspension. Raman spectra observed for titanium plate in high temperature water of 673 K and 25 MPa show growth of several Raman peaks with time up to 257 h. The peaks disappeared after cooled down to room temperature. The experimental results have demonstrated importance of in situ Raman spectroscopy.
- 社団法人 日本原子力学会の論文
- 2006-06-25
著者
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Tani Jun-ichi
Central Research Institute Of Electric Power Industry Materials Science Research Laboratory
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Tani Jun-ichi
Central Research Institute Of Electric Power Industry
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DOMAE Masafumi
Central Research Institute of Electric Power Industry
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KATSUMURA Yosuke
Department of Nuclear Engineering and Management, School of Engineering, The University of Tokyo
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Fujiwara Kazutoshi
Central Research Institute Of Electric Power Industry
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Domae Masafumi
Central Res. Inst. Of Electric Power Ind.
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Katsumura Yosuke
Department Of Nuclear Engineering And Management Graduate School Of Engineering University Of Tokyo
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