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Proceedings of the 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors pp 1713–1723Cite as

Development of the Fundamental Multiphysics Analysis Model for Crevice Corrosion Using a Finite Element Method

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Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

It is necessary to study crevice structures which can mitigate crevice corrosion as the origin of SCC of materials used in BWR core region. A fundamental crevice corrosion simulation model has been developed to design corrosion control structures for these materials. Effects of the width and the depth on the corrosive environment in a crevice were studied based on that model. Calculated pH in the crevice decreased with time for all crevice geometries. The lowest pH was found at the deepest position in the crevice for all the cases. It seemed there was only a negligible difference in pH where the crevice depth was deeper than the specific depth which depended on the crevice width.

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Author information

Authors and Affiliations

  1. Center for Technology Innovation, Hitachi, Ltd., 7-2-1, Omika-cho, Hitachi, Ibaraki, 319-1221, Japan

    Masahiko Tachibana & Yoichi Wada

  2. Hitachi-GE Nuclear Energy, Ltd., 5-2-2 Omika-cho, Hitachi, Ibaraki, 319-1221, Japan

    Takayuki Arakawa, Yoshiharu Kikuchi & Takehiro Seto

Authors
  1. Masahiko Tachibana
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  2. Yoichi Wada
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  3. Takayuki Arakawa
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  4. Yoshiharu Kikuchi
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  5. Takehiro Seto
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Corresponding author

Correspondence to Masahiko Tachibana .

Editor information

Editors and Affiliations

  1. Idaho National Laboratory, Idaho Falls, ID, USA

    John H. Jackson

  2. Naval Nuclear Laboratory, Pittsburgh, PA, USA

    Denise Paraventi

  3. Chalk River Laboratories, Canadian Nuclear Laboratories, Chalk River, ON, Canada

    Michael Wright

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© 2019 The Minerals, Metals & Materials Society

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Tachibana, M., Wada, Y., Arakawa, T., Kikuchi, Y., Seto, T. (2019). Development of the Fundamental Multiphysics Analysis Model for Crevice Corrosion Using a Finite Element Method. In: Jackson, J., Paraventi, D., Wright, M. (eds) Proceedings of the 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-04639-2_115

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