2018 - 2021 Control and Suppression of Space Debris Impact Damage by Structural Control of Stress Wave Propagation Conditions
2017 - 2019 Measurement of Gruneisen parameters of gold, platinum, silver, copper and the proportion of new presure scale
2011 - 2015 Remaining life assessment through thermal-fatigue analysis of copper alloy for combustion chamber of reusable rocket engine
2007 - 2008 Development of ceramics bumper with nanofragmentation function
2007 - 2008 壊れ方機能を内包したセラミックスの開発
2007 - 2008 Dynamic response and fracture of concrete under shock-loading
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Papers (65):
Sota Takagi, Koji Inukai, Nobuaki Kawai, Shunsuke Nozawa, Atsushi Kyono, Ryo Fukaya, Shin-ichi Adachi, Kouhei Ichiyanagi. Visualization of transformation toughening of zirconia ceramics during dynamic fracture. Applied Physics Letters. 2021. 118. 23. 231901-231901
Sota Takagi, Atsushi Kyono, Shunsuke Nozawa, Nobuaki Kawai, Koji Inukai, Ryo Fukaya, Nobumasa Funamori, Shin-ichi Adachi, Kouhei Ichiyanagi. In situ observation of the phase transition behavior of shocked baddeleyite. Geophysical Research Letters. 2020
川合伸明, 末永恭太郎, 上村朋, 長谷川直. Visualization of Stress Field and Damage Propagation in Hypervelocity-Impacted Transparent Materials. 衝撃波シンポジウム講演論文集(CD-ROM). 2021. 2020
富崎竜司, 淵野祥伍, 長谷川直, 川合伸明. High-speed Visualization of the Stress-field Propagation in Glass Subjected to Hypervelocity Impact. 衝撃波シンポジウム講演論文集(CD-ROM). 2020. 2019
川合伸明, 富崎竜司, 淵野祥伍, 長谷川直. Real-time Visualization of Stress-field Propagation in the Hypervelocity-impacted Glass. 材料の衝撃問題シンポジウム講演論文集(CD-ROM). 2020. 13th (Web)
KAWAI Nobuaki. "Impact Loading" + "Shock Loading" =「SHOUGEKI」. Journal of the Society of Materials Science, Japan. 2020. 69. 3. 287-287
川合 伸明, 長野 幹雄, 長谷川 直, 佐藤 英一, Kawai Nobuaki, Nagano Mikio, Hasegawa Sunao, Sato Eiichi. 超高速衝突損傷進展過程の実時間可視化計測. 平成30年度宇宙科学に関する室内実験シンポジウム 講演集 = Proceedings of 2019 Symposium on Laboratory Experiment for Space Science. 2019