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Journal Articles

Scanning electrochemical microscopic observation of corrosion reactions on a duplex stainless steel

Aoki, So; Taniguchi, Tomomi*; Sakai, Junichi*

Zairyo To Kankyo, 64(9), p.414 - 420, 2015/09

The objective of this study is to clarify the preferential dissolution mechanism of a duplex stainless steel (DSS) at its corrosion potential by means of in-situ Scanning Electrochemical Microscope observation. Probe electrode was fixed above ferritic and austenitic each phase of DSS at corrosion potential. Potential of the probe electrode was polarized toward noble direction, and probe current was measured. In a probe potential range of 0-0.70 V (SHE), anodic current due to hydrogen oxidation reaction could be detected. This anodic current was larger above austenitic phase than that above ferritic phase. In a probe potential range of 0.70-1.2 V, anodic current due to Fe$$^{2+}$$ oxidation reaction to Fe$$^{3+}$$ could be detected. This anodic current was larger above ferritic phase than that above austenitic phase. Based on these results, a preferential dissolution mechanism model of a DSS at the corrosion potential is proposed using internal polarization curves.

JAEA Reports

2nd power-up test for JRR-2

Kambara, Toyozo; Uno, Hidero; Shoda, Katsuhiko; Hirata, Yutaka; Shoji, Tsutomu; Kohayakawa, Toru; Takayanagi, Hiroshi; Fujimura, Tsutomu; Morita, Morito; Ichihara, Masahiro; et al.

JAERI 1045, 11 Pages, 1963/03

JAERI-1045.pdf:0.72MB

no abstracts in English

JAEA Reports

The First loading fuel elements and power-up for JRR-2

JRR-2 Control Office; Kambara, Toyozo; Shoda, Katsuhiko; Hirata, Yutaka; Shoji, Tsutomu; Kohayakawa, Toru; Morozumi, Minoru; Kambayashi, Yuichiro; Shitomi, Hajimu; Kokanezawa, Takashi; et al.

JAERI 1027, 57 Pages, 1962/09

JAERI-1027.pdf:4.76MB

no abstracts in English

JAEA Reports

Treatment and analysis of the water and gas in JRR-2

JRR-2 Operations Office; Kambara, Toyozo; Shoda, Katsuhiko; Hirata, Yutaka; Shoji, Tsutomu; Haginoya, Kinichi; Kohayakawa, Toru; Yamaki, Jikei; Yokota, Mitsuo; Horiki, Oichiro; et al.

JAERI 1024, 79 Pages, 1962/08

JAERI-1024.pdf:5.66MB

no abstracts in English

JAEA Reports

Critical experiments and characteristic measurement for JRR-2

JRR-2 Critical Experiments Group; Kambara, Toyozo; Shoda, Katsuhiko; Hirata, Yutaka; Shoji, Tsutomu; Kohayakawa, Toru; Morozumi, Minoru; Kambayashi, Yuichiro; Shitomi, Hajimu; Kokanezawa, Takashi; et al.

JAERI 1025, 62 Pages, 1962/03

JAERI-1025.pdf:4.6MB

no abstracts in English

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