Journal Paper

• Gaku Okuma, Tsukasa Shimizugawa, Shingo Ozaki, Toshio Osada, Shingo Machida, Yutaro Arai, Ryo Inoue, Hideki Kakisawa, Yuki Sada, Masayuki Uesugi, Akihisa Takeuchi, Fumihiro Wakai. Strength-limiting defects evolved from heterogeneities during the sintering of high-purity submicron alumina powder, Journal of the European Ceramic Society, Elsevier, Vol. 45, No. 16, pp. 117679, July 2025.

International Conference (Reviewed)

• Gaku Okuma, Ryutaro Usukawa, Toshio Osada, Fumihiro Wakai. 3D Observation of Microstructural Changes in Tape-Cast Alumina during Sintering Using Synchrotron X-ray CT, 2nd JSME International Conference on Materials & Processing (ICM&P 2025), 日本機械学会, Nov. 2025.
• Gaku Okuma, Tsukasa Shimizugawa, Shingo Ozaki, Toshio Osada, Fumihiro Wakai. Formation and Evolution of Complex Pores from Heterogeneities during Sintering of High-Purity Submicron Alumina, The 39th International Korea – Japan Seminar on Ceramics, Nov. 2025.
• Gaku Okuma, Tsukasa Shimizugawa, Shingo Ozaki, Toshio Osada, Fumihiro Wakai. Evolution of Complex Pores from Heterogeneities during Sintering of High-Purity Submicron Alumina, The Fifteenth International Conference on the Science and Technology for Advanced Ceramics (STAC15), Sept. 2025.

Domestic Conference (Not reviewed / Unknown)

• Gaku Okuma, Tsukasa Shimizugawa, Shingo Ozaki, Toshio Osada, FUMIHIRO WAKAI. サブミクロンアルミナ焼結における破壊強度を支配する複雑気孔領域の進展, 第38回日本セラミックス協会秋季シンポジウム, Sept. 2025.
• Yuya Uemura, Zhiqi CHEN, Shiyu Suzuki, Satoshi Utada, Hideaki Nishikawa, Toshio Osada, Yu Kurokawa, Motoki Sakaguchi. Inconel 718のDwell疲労き裂進展：大気中と真空中での破壊プロセス, 日本材料学会 第10回高温強度若手シンポジウム, July 2025.
• Shiyu Suzuki, Zhiqi CHEN, Yuya Uemura, Satoshi Utada, Hideaki Nishikawa, Toshio Osada, Yu Kurokawa, Motoki Sakaguchi. 鍛造Ni基超合金のDwell-Fatigueき裂進展に与える引張保持の酸素の影響, 日本材料学会 第74期学術講演会, May 2025.
• Yuya Uemura, Zhiqi CHEN, Shiyu Suzuki, Satoshi Utada, Hideaki Nishikawa, Toshio Osada, Yu Kurokawa, Motoki Sakaguchi. Inconel 718 の Dwell-Fatigue き裂進展における引張 保持と酸素の影響, 日本機械学会 関東支部 第31期講演会, Mar. 2025.

Other Publication

• Toshio Osada, Gaku Okuma, Shingo Ozaki. 高信頼性セラミックスのデータ駆動型設計を目指して, FC Report, Vol. 43, No. 3, pp. 105-110, July 2025.

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