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Corrosion of copper in water and colloid formation under intense radiation field

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Abstract

Radiation effects of photons on corrosion and colloid formation of copper (Cu) in water were investigated as a model for the cooling water for electromagnets at accelerator facilities. Irradiation experiments were carried out at a 60Co γ-ray irradiation facility and an electron linear accelerator facility; production of soluble Cu species and relatively-large particulate Cu species (>200 nm) were promoted by γ-ray/bremsstrahlung irradiations. The results imply that particulate Cu species are initially generated at the Cu/water interface, grow up, and are finally released into water phase as relatively-large particles. These characteristic radiation effects may be related with production of reactive species in water.

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Acknowledgements

The authors would like to thank the staff members of the electron LINAC facility and the 60Co γ-ray irradiation facility, KURRI.

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Authors and Affiliations

  1. High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki, 305-0801, Japan

    Kotaro Bessho, Hiroshi Matsumura, Kazuyoshi Masumoto & Hideaki Monjushiro

  2. Research Reactor Institute, Kyoto University (KURRI), Kyoto, Japan

    Yuichi Oki, Shun Sekimoto & Seiichi Shibata

  3. Graduate School of Engineering, Kyoto University, Kyoto, Japan

    Naoya Akimune

  4. Graduate School of Engineering, Tohoku University, Sendai, Japan

    Naoyuki Osada

  5. Institute of Technology, Shimizu Corporation, Tokyo, Japan

    Norikazu Kinoshita

Authors
  1. Kotaro Bessho
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  2. Yuichi Oki
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  3. Naoya Akimune
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  4. Hiroshi Matsumura
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  5. Kazuyoshi Masumoto
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  6. Shun Sekimoto
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  7. Naoyuki Osada
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  8. Norikazu Kinoshita
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  9. Hideaki Monjushiro
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  10. Seiichi Shibata
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Corresponding author

Correspondence to Kotaro Bessho.

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Bessho, K., Oki, Y., Akimune, N. et al. Corrosion of copper in water and colloid formation under intense radiation field. J Radioanal Nucl Chem 303, 1117–1121 (2015). https://doi.org/10.1007/s10967-014-3464-8

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  • DOI: https://doi.org/10.1007/s10967-014-3464-8

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