Evaluation of the Applicability of Dose-response Functions to the Data of Outdoor Exposure Tests for Carbon Steel and Zinc in Japan

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  • Ohara Shin
    Central Research Institute of Electric Power Industry Graduate School of Engineering, Hokkaido University
  • Kosaki Akio
    Formerly Central Research Institute of Electric Power Industry
  • Shumuta Yoshiharu
    Central Research Institute of Electric Power Industry
  • Murao Naoto
    Faculty of Engineering, Hokkaido University

Bibliographic Information

Other Title
  • 日本国内における鉄鋼や亜鉛の大気暴露試験データに対するドーズレスポンス関数の適用性評価
  • ニホンコクナイ ニ オケル テッコウ ヤ アエン ノ タイキ バクロ シケン データ ニ タイスル ドーズレスポンス カンスウ ノ テキヨウセイ ヒョウカ

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Description

<p>Dose-response functions （DRFs） are examined in terms of applicability to the data of outdoor exposure tests in Japan （JWTC data） in order to improve estimation methods of assessing the domestic atmospheric corrosivity of carbon steel and zinc. From literature survey, the ISO9223DRF is selected as a suitable DRF. Estimated corrosion rate by the ISO9223DRF shows insufficient agreement with the measured one from the JWTC data. The coefficients of the ISO9223DRF are redetermined by a nonlinear least-squares regression model based on the JWTC data （fitted DRF）. Estimated corrosion rate by the fitted DRF shows better agreement with the measured one from the JWTC data in terms of correlation with the measured one and fraction of the estimated one within errors of －50～＋100％.</p>

Journal

  • Corrosion Engineering

    Corrosion Engineering 67 (10), 416-425, 2018-10-15

    Japan Society of Corrosion Engineering

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