Rchr
J-GLOBAL ID：202101019710259590
Update date: May. 07, 2024
Ajito Saya
アジト サヤ | Ajito Saya
Affiliation and department：
Research theme for competitive and other funds (5)：
- 2023 - 2025 鉄鋼材料の水素脆化評価のための水素添加法の提案
- 2022 - 2024 新規アルミニウム合金水素化物の探索
- 2022 - 2024 応力・ひずみ・水素拡散の分布解析に基づくプレス成形鋼板の水素脆化特性の解明
- 2019 - 2024 Effect of stress on hydrogen trapping state and elucidation of hydrogen embrittlement
- 2021 - 2022 ステンレス鋼の変形にともなう水素放出挙動
Papers (35)：
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Hiroshi Kakinuma, Sachiko Hiromoto, Tomohiko Hojo, Saya Ajito, Motomichi Koyama, Eiji Akiyama. Mechanism of local hydrogen entry into Fe sheets induced by atmospheric corrosion: Significance of potential, pH, and rust layer thickness. Corrosion Science. 2024. 232. 112043-112043
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Hiroshi Kakinuma, Saya Ajito, Motomichi Koyama, Eiji Akiyama. Microscopic visualization of hydrogen diffusion in UNS S32750 super duplex stainless steel: Roles of crystal structure and grain size. International Journal of Hydrogen Energy. 2024. 59. 866-873
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Shuya Chiba, Motomichi Koyama, Tomohiko Hojo, Saya Ajito, Yuki Shibayama, Rama Srinivas Varanasi, Eiji Akiyama. Hydrogen Embrittlement Property of a 1.5 GPa Dual-Phase Steel Evaluated Using U-bending Test: A Comparison with Tempered Martensitic Steel with Identical Tensile Strength. ISIJ International. 2024. 64. 4. 706-713
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Yifei Wen, Motomichi Koyama, Tomohiko Hojo, Saya Ajito, Eiji Akiyama. Plasticity-induced Hydrogen Desorptions Associated with Hydrogen-assisted Martensitic Transformation and Deformation Twinning in Austenitic Stainless Steels. ISIJ International. 2024. 64. 2. 474-481
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Yutao Zhou, Zhipeng Yang, Motomichi Koyama, Saya Ajito, Tomohiko Hojo, Hiroshi Fudouzi, Eiji Akiyama. Quantitative Evaluation of the Relationship between Strain and Color Change in Opal Photonic Crystal Films and Application into Complex Specimen Geometries. Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 2024. 110. 3. 311-320
ｍore...
MISC (3)：
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Eiji Akiyama, Atsushi Omori, Saya Ajito, Tomohiko Hojo, Motomichi Koyama. Corrosion Monitoring of Carbon Steels under Humid Air Environment with Ozone Simulating Irradiation. Zairyo-to-Kankyo. 2021. 70. 12. 448-456
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Saya AJITO. Recent Applications of Kelvin Method. Journal of The Surface Finishing Society of Japan. 2021. 72. 9. 487-492
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Saya Ajito, Ken-ichi Fujita, Eiji Akiyama. A novel hydrogen visualization technique with a metal complex. Bulletin of the ceramic society of Japan. 2021. 56. 2. 84-87
Books (1)：
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ハイドロジェノミクス : “水素"を使いこなすためのサイエンス
共立出版 2022 ISBN:9784320044982
Lectures and oral presentations (22)：
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焼戻しマルテンサイト鋼中の水素拡散挙動に与える応力の影響
(日本鉄鋼協会第187回春季講演大会 2024)
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陰極水素チャージにともなう鉄板への水素侵入挙動に与えるNH4SCN 濃度とpHの影響
(日本鉄鋼協会第187回春季講演大会 2024)
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電気化学的手法を用いた変形中における鉄鋼材料中の水素の挙動解析
(第36回東北若手の会 (電気化学会東北支部) 2023)
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NH4SCNを含むNaCl水溶液中におけるカソード分極にともなう鉄板への水素侵入挙動
(第70回材料と環境討論会 2023)
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オーステナイト系ステンレス鋼の変形にともなう水素放出挙動
(日本金属学会 若手研究グループ「「CO2ゼロエミッション社会に向けた耐環境構造金属材料研究」研究会 2023)
ｍore...
Professional career (1)：
- Doctor of Engineering (Tokyo Institute of Technology)
Awards (2)：
- 2022/03 - 公益社団法人日本金属学会 金属組織写真賞優秀賞 ポリアニリンによるNiの粒界を優先拡散する水素の可視化
- 2020/02 - Tokyo Institute of Technology Seiichi Tejima Research Awards Electrochemical study on hydrogen absorption of steel in atmospheric corrosion
Association Membership(s) (3)：
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