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Development of oxygen activity sensor for scale surface on high temperature oxidation of alloys

Research Project

Project/Area Number 21360368
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Metal making engineering
Research InstitutionTokyo Institute of Technology

Principal Investigator

KAWAMURA Kenichi  東京工業大学, 大学院・理工学研究科, 准教授 (50270830)

Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2010: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2009: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
Keywords組織制御 / 高温酸化 / ジルコニア / 表面酸素ポテンシャル / ガス拡散律速
Research Abstract

In high-temperature oxidation of alloy, a growth of the oxide scale is depends on the gas supply from the atmosphere, surface reaction, and ionic diffusion in the oxide scale. Therefore, the oxygen potential of the scale surface is reduced by surface reaction and gas supply. Present study revealed that the distribution of oxygen potentials on high temperature oxidation of iron from the atmosphere to the scale surface by electromotive forces caused by a stabilized ZrO2 oxygen sensor with electrodes. In Ar-1% O2 atmosphere, the oxygen potential decreases with approaching the oxide film, the difference between the oxygen potential in the surface reaction was about-300kJmol^<-1>.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (7 results)

All 2012 2011

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (4 results)

  • [Journal Article] 合金の高温酸化皮膜表面における酸素ポテンシャル2011

    • Author(s)
      河村憲一, Mohd Hanafi Bin Ani, 上田光敏, 丸山俊夫
    • Journal Title

      熱測定

      Volume: 38 Pages: 54-57

    • NAID

      10029867534

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] 1123KにおけるFe-1mass% SiとFe-1. 5mass% Mnの酸化皮膜表面の酸素ポテンシャル2011

    • Author(s)
      河村憲一, 藤田紘司, 田中厚生, 上田光敏, 丸山俊夫
    • Journal Title

      日本学術振興会耐熱金属材料第123委員会研究報告

      Volume: 52 Pages: 307-312

    • Related Report
      2011 Final Research Report
  • [Journal Article] 1123KにおけるFe-1mass%SiとFe-1.5mass%Mnの酸化皮膜表面の酸素ポテンシャル2011

    • Author(s)
      河村憲一
    • Journal Title

      日本学術振興会耐熱金属材料第123委員会研究報告

      Volume: 52 Pages: 307-312

    • Related Report
      2011 Annual Research Report
  • [Presentation] 純Feの高温酸化時の酸素ポテンシャル分布2012

    • Author(s)
      其田聖史,河村憲一,上田光敏,丸山俊夫
    • Organizer
      電気化学会第79回大会
    • Place of Presentation
      浜松
    • Year and Date
      2012-03-30
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] 純Feの高温酸化皮膜表面近傍における酸素ポテンシャル分布2011

    • Author(s)
      其田聖史,河村憲一,上田光敏,丸山俊夫
    • Organizer
      第37回固体イオニクス討論会
    • Place of Presentation
      鳥取
    • Year and Date
      2011-12-09
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] 1123KにおけるFeの酸化皮膜近傍の酸素ポテンシャル分布測定2011

    • Author(s)
      其田聖史,河村憲一,上田光敏,丸山俊夫
    • Organizer
      第149回日本金属学会講演大会
    • Place of Presentation
      沖縄
    • Year and Date
      2011-11-07
    • Related Report
      2011 Final Research Report
  • [Presentation] 1123KにおけるFeの酸化皮膜近傍の酸素ポテンシャル分布測定2011

    • Author(s)
      其田聖史
    • Organizer
      第149回日本金属学会
    • Place of Presentation
      沖縄
    • Year and Date
      2011-11-07
    • Related Report
      2011 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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