Rchr
J-GLOBAL ID:200901070772100562
Update date: Jan. 31, 2024
Morita Koji
モリタ コウジ | Morita Koji
Affiliation and department:
Job title:
Researcher
Research field (1):
Structural and functional materials
Research keywords (14):
MAX Phase
, Current Effect
, Spark Plasma Sintering
, Sintering
, Transparent Ceramics
, クリープ
, 電子顕微鏡
, 超塑性
, ジルコニア
, Creep
, Cavity
, Transmission Electron Microscope
, Superplasticity
, Zirconia
Research theme for competitive and other funds (11):
- 2021 - 2025 異方性多結晶レーザーセラミックスの創製:ナノ組織化と配向制御
- 2020 - 2024 セラミックスの高温変形及び接合に対する通電効果の原理解明
- 2021 - 2023 MAX相セラミックスの力学特性の原理解明とキンク組織制御に向けた研究
- 2020 - 2023 透明ナノセラミックスの焼結とレーザー材料への応用
- 2015 - 2019 Research on the current effects on the high temperature phenomena of oxide ceramics and its applications
- 2013 - 2016 Intergranular damage and failure mechanisms in high-strain-rate superplastic nanoceramics
- 2010 - 2012 Understanding of the high-speed sintering mechanisms and improvement of the technical construction in the pulsed-current-sintering (PCS) processing
- 2009 - 2012 Development of low-temperature high-strain-ratesuperplastic ceramics through controlling grain-boundary segregation and nonstoichiometry in oxide ceramics
- 2007 - 2009 Effects of Texture and Grain Boundary Microstructures on High Temperature Deformation of Textured Alumina
- セラミックスの超塑性
- Superplasticity of Ceramics
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Papers (186):
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Hiroaki Furuse, Yuki Mochizuki, Daichi Kato, Koji Morita, Byung-Nam Kim, Tohru S. Suzuki. Strontium fluorapatite (S-FAP) nano-grained laser ceramics. Scripta Materialia. 2024. 241. 115881-115881
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D. Morikawa, K. Morita, K. Nambu, H. Yoshida, K, Soga. Effect of direct and alternating current (DC and AC) fields on creep behavior of 8 mol% Y2O3 stabilized cubic ZrO2 polycrystal. Journal of the European Ceramic Society. 2023
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Yuji Shirakami, Ken-ichi Ikeda, Seiji Miura, Koji Morita, Tohru S. Suzuki, Yoshio Sakka. Orientation Dependence of High Temperature Compressive Behavior of Textured Ti<sub>3</sub>SiC<sub>2</sub>. MATERIALS TRANSACTIONS. 2023. 64. 4. 805-812
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Shoma Takahashi, Koji Morita, Kohta Nambu, Daisuke Terada, Kiyoshi Kobayashi, Tomoharu Tokunaga, Takahisa Yamamoto. Effect of Initial Grain Size on Crack Healing Behavior under DC Electric Field of Zirconia (8Y-CSZ) Ceramic. Advanced Engineering Materials. 2023. 25. 18. 2201807-2201807
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Yuji Shirakami, Ken-ichi Ikeda, Seiji Miura, Koji Morita, Tohru S. Suzuki, Yoshio Sakka. Orientation Dependence of Plastic Deformation Behavior and Fracture Energy Absorption Mechanism around Vickers Indentation of Textured Ti<sub>3</sub>SiC<sub>2</sub> Sintered Body. MATERIALS TRANSACTIONS. 2023. 64. 3. 650-656
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MISC (46):
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打田 雄一, 森田 孝治, 鈴木 達, 西村 聡之, 藤本 憲次郎, 目 義雄. 市販粉末を用いたTi3SiC2系配向体の作製とその力学特性 (外場印加による粉体プロセスの進展(2)). 粉体および粉末冶金 = Journal of the Japan Society of Powder and Powder Metallurgy : 紛体粉末冶金協会誌. 2017. 64. 10. 552-557
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IKEDA KEN'ICHI, MORITA KOJI, NAKASHIMA HIDEHARU. 電子顕微鏡法による材料開発のための微細構造研究最前線(6)HRTEM モリブデン〈001〉Σ5非対称傾角粒界の原子構造. まてりあ. 2006. 45. 12. 843-843
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森田 孝治, 平賀 啓二郎. ジルコニア基高速超塑性セラミックスの開発 (特集/ナノ粒子の実用と企業化への期待). 化学工業. 2005. 56. 7. 508-513
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Keijiro Hiraga, Byung-Nam Kim, Koji Morita, Tohru S. Suzuki, Yoshio Sakka. Microstructural design for high-strain-rate superplastic oxide ceramics. Journal of the Ceramic Society of Japan. 2005. 113. 1315. 191-197
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B. N. Kim, K. Hiraga, K. Morita, Y. Sakka. Superplasticity in alumina enhanced by co-dispersion of 10% zirconia and 10% spinel particles. Acta Materialia. 2001. 49. 5. 887-895
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Lectures and oral presentations (306):
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最終焼結段階における緻密化挙動のシミュレーション
(粉体粉末冶金協会平成30年度秋季大会 2018)
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Processing of transparent ceramics
(TU Darmstadt 2018)
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Effect of DC Current on Creep Behavior of 8Y-CSZ Polycrystals
(Materials Science and Engineering Congress (MSE2018) 2018)
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立方晶ジルコニア(8Y-ZrO2)の高温変形に対する通電効果
(日本金属学会2018年秋期講演大会 2018)
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Nanoindentation study on low-temperature plasticity in cubic zirconia
(日本金属学会2018年秋期(第163回)講演大会 2018)
more...
Education (4):
- Kumamoto University Faculty of Engineering
- 九州大学大学院総合理工学研究科材料開発工学専攻博士課程
- Department of Materials Science and Resourse Engineering, Kumamoto University
- Department of Materials Science and Technolagy, Gradnate School of Engineering Sciences, Kyushu University
Professional career (1):
Work history (1):
Awards (1):
Association Membership(s) (3):
日本金属学会
, 粉体粉末冶金協会
, 日本セラミックス協会
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