Validity and application of hydrogen / oxygen sensor application to steam oxidation research of heat-resistant material

• Project/Area Number: 15K06453
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Composite materials/Surface and interface engineering
• Research Institution: Akita University
• Principal Investigator: Fukumoto Michihisa 秋田大学, 理工学研究科, 准教授 (20343064)
• Co-Investigator(Kenkyū-buntansha): 金児 紘征 秋田大学, 工学資源学部, 教授 (20006688)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000); Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
• Keywords: 水蒸気酸化 / 耐熱材料 / 水素センサー / 酸素ポンプ・センサー / 酸素センサー / Fe-Cr合金 / 耐熱合金 / 過熱器管

Outline of Final Research Achievements

The water vapor oxidation behaviors of Fe and Fe-Cr alloys under isothermal and heat-cyclic conditions in an Ar-H2O atmosphere were investigated by measuring both the hydrogen partial pressure using a hydrogen sensor and the oxidizing current of hydrogen using an oxygen pump-sensor. The isothermal oxidation test at 1173 K showed that the mass gain of the Fe-20Cr alloy was the highest. The cyclic oxidation test indicated that the Fe and Fe-30Cr alloy had a lower oxidation rate in the second cycle than in the first cycle. The oxidation rates measured by the hydrogen sensor and the oxygen pump-sensor were showed the same behavior during the isothermal oxidation test. Since the oxidation rate is measured in situ using the hydrogen sensor and oxygen pump-sensor methods, it was clarified that both methods are effective for studying the water vapor oxidation behavior.

Research Products

• [Journal Article] Analysis of Water Vapor Oxidation of Fe and Fe-Cr Alloys by Measuring the Partial Pressures of Hydrogen and Oxygen (2017)
  • Author(s): Michihisa Fukumoto, Hiroshi Sonobe, Motoi Hara, Hiroyuki Kaneko
  • Journal Title: Oxidation of Metals Volume: 87 Pages: 405-416
  • Peer Reviewed / Open Access
• [Journal Article] 水素センサーおよび酸素ポンプ・センサーを用いたFe-Cr合金の水蒸気酸化挙動の検討 (2017)
  • Author(s): 福本倫久，赤堀昂太，園部 博，原 基
  • Journal Title: 日本金属学会誌 Volume: 81 Pages: 408-416
  • NAID: 130006003805
  • Peer Reviewed / Open Access
• [Presentation] ガスセンサーを用いたFeおよびFe-Cr合金の昇温過程中における水蒸気酸化挙動の検討 (2018)
  • Author(s): 福本倫久，赤堀昂太，原 基
  • Organizer: 日本金属学会春季講演大会
• [Presentation] 酸素ポンプ・センサーを用いたFe-Cr合金の水蒸気酸化挙動の検討 (2016)
  • Author(s): 福本倫久，赤堀昂太，園部博，原 基，金児紘征
  • Organizer: 日本金属学会秋季講演大会
  • Place of Presentation: 大阪大学
  • Year and Date: 2016-09-21
• [Presentation] ANALYSIS OF WATER VAPOR OXIDATION OF METALS BY MEASURING THE PARTIAL PRESSURES OF HYDROGEN AND OXYGEN (2016)
  • Author(s): Michihisa Fukumoto, Hiroshi Sonobe, Motoi Hara and Hiroyuki Kaneko
  • Organizer: HTCPM 2016
  • Place of Presentation: France
  • Year and Date: 2016-05-15
  • Int'l Joint Research
• [Presentation] ANALYSIS OF WATER VAPOR OXIDATION OF METALS BY MEASURING THE PARTIAL PRESSURES OF HYDROGEN AND OXYGEN (2016)
  • Author(s): Michihisa Fukumoto, Hiroshi Sonobe, Motoi Hara and Hiroyuki Kaneko
  • Organizer: HTCPM9
  • Place of Presentation: France，Les Embiez
  • Year and Date: 2016-05-15
  • Int'l Joint Research
• [Presentation] 水素センサーおよび酸素センサーを用いたFe-Cr合金の水蒸気酸化挙動の解明 (2016)
  • Author(s): 福本倫久，赤堀昂太，園部 博，原 基，金児紘征
  • Organizer: 日本金属学会
  • Place of Presentation: 東京理科大学
  • Year and Date: 2016-03-24
• [Presentation] 水素センサーおよび酸素センサーを用いたFe-Cr合金の水蒸気酸化挙動の解明 (2016)
  • Author(s): 赤堀昂太，福本倫久，原 基，金児紘征
  • Organizer: 日本素材物性学会
  • Place of Presentation: 秋田