Hydrogen Dissolution into 10% Chromium Ferritic Steels during High-Temperature Steam Oxidation

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  • Nakai Masaaki
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
  • Nagai Kensuke
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
  • Murata Yoshinori
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
  • Morinaga Masahiko
    Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
  • Matsuda Shigeaki
    Department of Materials Engineering, School of Engineering, The University of Tokyo
  • Kanno Motohiro
    Department of Materials Engineering, School of Engineering, The University of Tokyo

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  • Hydrogen Dissolution into 10パーセント Chromium Ferritic Steels during High Temperature Steam Oxidation

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Abstract

The amount of hydrogen dissolved into Fe-10Cr-0.08C-0∼0.03S (mass%) steels during the steam oxidation at 923 K was measured by thermal desorption spectroscopy (TDS). The amount of dissolved hydrogen was found to be dependent largely on the steam oxidation resistance of the steels. In other words, it was much smaller in the sulfur-doped steels with good oxidation resistance than in the sulfur-free steels with poor oxidation resistance. Thus, we suggest that the hydrogen dissolution is one of the most important factors to understand the steam oxidation resistance of the steels.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 46 (1), 69-73, 2005

    The Japan Institute of Metals and Materials

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