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J-GLOBAL ID：202401000594392014 Update date: Feb. 03, 2025

Kawahara Yasuhito

カワハラヤスヒト | Kawahara Yasuhito

Affiliation and department：
Job title： Assistant professor

Research field (3)： Metallic materials , Structural and functional materials , Inorganic materials

Research keywords (5)：金属材料 , 透過型電子顕微鏡 , クラスタ- , 析出 , 転位

Research theme for competitive and other funds (2)：

2023 - 2024 Characterization of the interaction mechanism between carbon cluster and dislocation in steel
2022 - 2023 4D-STEM法によるAl-Mg-Si合金中のクラスターの構造解析

Papers (13)：

Yasuhito Kawahara, Elisabeth Savitri Thrane, Eva Anne Mørtsell, Jostein Røyset, Randi Holmestad, Kenji Kaneko. Cu distribution in intermetallic phases in extruded Al-Mg-Si-Cu alloys. Journal of Alloys and Compounds. 2025
Yasuhito Kawahara, Shunya Kobatake, Kenji Kaneko, Taisuke Sasaki, Tadakatsu Ohkubo, Chikako Takushima, Jun Ichi Hamada. Combined effect of interstitial-substitutional elements on dislocation dynamics in nitrogen-added austenitic stainless steels. Scientific Reports. 2024. 14. 1
Ilias Papadopoulos, Joseph Ka-Ho Hui, Masa-aki Morikawa, Yasuhito Kawahara, Kenji Kaneko, Kiyoshi Miyata, Ken Onda, Nobuo Kimizuka. Chirality in Singlet Fission: Controlling Singlet Fission in Aqueous Nanoparticles of Tetracenedicarboxylic Acid Ion Pairs. Advanced Science. 2024
Yasuhito Kawahara, Asaka Tokuhisa, Takuya Maeda, Hiroyuki Shirahata, Ryuji Uemori, Kenji Kaneko. Formation of core-shell structured carbides via interphase precipitations in V-Nb microalloyed steels. Scripta Materialia. 2024
Soh Yabuki, Yasuhito Kawahara, Shunya Kobatake, Chikako Takushima, Jun-ichi Hamada, Kenji Kaneko. Influence of Nitrogen Content and Deformation Temperatures on Dislocation Structures in Austenitic Stainless Steels. Tetsu-to-Hagane. 2024

MISC (7)：

Kawahara Yasuhito. Lessons Through Electron Microscopy Experiment. Materia Japan. 2024. 63. 1. 69-69
河原康仁. 国際的な交流を進めるうえでの学び. 軽金属. 2023. 73. 4. 190-190
吉川有太, 河原康仁, 佐藤幸生, 金子賢治. Al-Mg-Si合金の析出強化機構へのCu添加量の影響. 日本金属学会九州支部・日本鉄鋼協会九州支部・軽金属学会九州支部合同学術講演大会講演概要集. 2022. 2022
河原康仁, 寺西亮, 金子賢治, 高橋淳, 澤田英明. In-situ straining TEM analysis of the interaction between carbon clusters and dislocations. 材料とプロセス(CD-ROM). 2021. 34. 1
河原康仁, 佐藤幸生, 寺西亮, 金子賢治, 宍戸久郎. その場引張TEM法によるAl-Mg-Si-Cu合金における析出強化の解析. 日本金属学会講演大会(Web). 2021. 169th

Lectures and oral presentations (28)：

薄膜プロセスを用いたBa8CuxSi46-x発電材料における組成傾斜領域の微細構造解析
(2024年度日本金属学会, 日本鉄鋼協会, 軽金属学会九州支部共催 2024)
Mg過剰型Al-Mg-Si合金における時効硬化に及ぼすCu添加の影響
(2024年度日本金属学会, 日本鉄鋼協会, 軽金属学会九州支部共催 2024)
窒素添加オーステナイト系ステンレス鋼における時効処理が粒内析出物に及ぼす影響
(2024年度日本金属学会, 日本鉄鋼協会, 軽金属学会九州支部共催 2024)
V及びNb複合添加鋼におけるコアシェル型合金炭化物の相界面析出現象
(2024)
2D and 4D high-resolution scanning transmission microscopy of GP-zones in the 6xxx system
(IMC20 2023)

Education (3)：

Professional career (1)：

Work history (3)：

Committee career (2)：

Awards (10)：

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Association Membership(s) (3)：

日本顕微鏡学会 , 日本鉄鋼協会 , 日本金属学会

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