Curriculum Vitaes

Kazuki Okuno

(奥野一樹)

Profile Information

Affiliation: Graduate School of Science and Technology, Sophia University

J-GLOBAL ID: 202501008772477256
researchmap Member ID: R000097157

Research History

1

Apr, 2024 - Mar, 2026

日本学術振興会特別研究員DC2

Papers

2

Extraction of reversible hydrogen trapped on prior austenite grain boundaries and promoting intergranular fracture in the elastic region of tempered martensitic steel by utilizing frozen-in hydrogen distribution at -196 °C

Kazuki Okuno, Kenichi Takai

Acta Materialia, 259 119291, Oct, 2023 Peer-reviewedLead author
Determination of hydrogen diffusibility and embrittlement susceptibility of high-strength steel evaluated at different temperatures based on the local equilibrium theory

Kazuki Okuno, Kenichi Takai

Acta Materialia, 246 118725, Mar, 2023 Peer-reviewedLead author

Misc.

2

Elucidation of the relationship between hydrogen distribution under stress and embrittlement utilizing frozen-in hydrogen distribution technique

Kazuki Okuno, Kenichi Takai

Proceedings of the 5th International Conference on Metals & Hydrogen, O46, Oct, 2025 Lead author
Comparison of Factors Promoting Hydrogen-Related Intergranular Fracture in Elastic and Plastic Regions of Tempered Martensitic Steel Utilizing Frozen-In Hydrogen Distribution at −196 °C

Kazuki Okuno, Kenichi Takai

Proceedings of the 63rd Conference of Metallurgists, COM 2024, 355-363, Nov 19, 2024 Peer-reviewedLead author

Presentations

11

Elucidation of the relationship between hydrogen distribution under stress and embrittlement utilizing frozen-in hydrogen distribution technique

Kazuki Okuno, Kenichi Takai

5th international conference on metals & hydrogen, SteelyHydrogen 2025, Oct 16, 2025
低・高ひずみ速度変化を利用した水素起因粒界破壊プロセスの分離

奥野一樹, 高井健一

日本鉄鋼協会第190回秋季講演大会, Sep 17, 2025
ばね用オーステナイト系ステンレス鋼線の水素脆化感受性へ及ぼす伸線加工および低温焼鈍の影響

奥野一樹, 高井健一, 根本幸輝, 森田浩嗣, 石原昌樹

日本鉄鋼協会第189回春季講演大会, Mar 10, 2025
焼戻しマルテンサイト鋼の弾・塑性域で生じる水素起因粒界・粒内破壊の主因子

奥野一樹, 高井健一

日本鉄鋼協会第188回秋季講演大会, Sep 20, 2024
Comparison of Factors Promoting Hydrogen-Related Intergranular Fracture in Elastic and Plastic Regions of Tempered Martensitic Steel Utilizing Frozen-In Hydrogen Distribution at −196 °C

Kazuki Okuno, Kenichi Takai

The 63rd Annual Conference of Metallurgists, COM 2024, Aug 21, 2024

Professional Memberships

1

日本鉄鋼協会

Research Projects

2

Development of New Social Infrastructure Materials through Elucidation of Hydrogen Embrittlement Mechanisms: Hydrogen Site Control and Frozen-in Hydrogen Distribution

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2025 - Mar, 2029
Elucidation of hydrogen-related intergranular fracture mechanism utilizing frozen-in hydrogen distributions at low temperatures

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2024 - Mar, 2026

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