Wakai Fumihiro

ワカイフミヒロ | Wakai Fumihiro

Affiliation and department：

Research field (1)： Inorganic materials

Research keywords (5)： Ceramics , Superplasticity , Sintering , 力学物性 , 材料科学

Research theme for competitive and other funds (16)：

2024 - 2027 Construction of Benchmarks for Large-Scale Simulations by Dynamical models of Multi-Particle Sintering
2019 - 2021 非平衡プロセスの動力学開拓による焼結力学の体系化
2016 - 2018 Microscopic toughening mechanism toward the nano-micro hierachical microstructural design for high toughness and high strength
2014 - 2018 Understanding and control of the powder processing and the thermodynamic driving force of sintering through the 3D-visualization of particle packing structures
2016 - 2017 ナノスケール変態強化を発現する新奇高靭性セラミックスの開発

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Papers (236)：

Takashi Akatsu, Tatsuya Yamaguchi, Yutaka Shinoda, Fumihiro Wakai. Computational study on the effect of anisotropy in the transversely isotropic elasticity of elastoplastic solids on depth-sensing indentation with a point-sharp indenter. International Journal of Solids and Structures. 2024
Okuma, G., Usukawa, R., Osada, T., Kondo, N., Nakajima, H., Okazaki, T., Machida, S., Arai, Y., Inoue, R., Kakisawa, H., et al. Evolution of microstructure and defects in sintering of tape-cast alumina laminates observed by synchrotron X-ray multiscale tomography. Ceramics International. 2024
Gaku Okuma, Fumihiro Wakai. Synchrotron X-ray multiscale tomography: Visualization of heterogeneous microstructures and defects in ceramics. Journal of the American Ceramic Society. 2023
Kei Maeda, Gaku Okuma, Satoshi Yoshida, Fumihiro Wakai, Akihisa Takeuchi, Masayuki Uesugi, Shun Yanagioka, Shun Matsunuma, Shingo Machida, Atsuo Yasumori. Indentation-induced ductile behavior of glass-ceramics involving layered aluminosilicates. Journal of the American Ceramic Society. 2023
Gaku Okuma, Masaya Endo, Haruki Minagawa, Ryo Inoue, Hideki Kakisawa, Takuma Kohata, Toshio Osada, Takafumi Yamamoto, Masaki Azuma, Akihisa Takeuchi, et al. 3D visualization of morphological evolution of large defects during spark plasma sintering of alumina granules. Advanced Engineering Materials. 2023

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MISC (85)：

Fumihiro Wakai, Gaku Okuma. Sintering (1): Fundamentals - An Introduction to Solid-State Sintering and Diffusion. Seramikkusu. 2023. 58. 12. 819-826
Okuma Gaku, Tanaka Satoshi, Wakai Fumihiro. Defect formation and strength reliability during powder compaction and sintering process observed by Synchrotron X-ray CT. The Proceedings of the Materials and processing conference. 2020. 2020.28. 307
Gaku Okuma, Shun Kanchika, Satoshi Tanaka, Fumihiro Wakai. Evaluation of macroscopic mechanical properties from 3-D visualization of microstructure in sintering. Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 2017. 64. 9. 495-500
OKUMA Gaku, WAKAI Fumihiro. Clarification of the Relationship between the Microscopic Powder Packing and the Macroscopic Shrinkage during Sintering by using 3D Tomography. Hosokawa Powder Technology Foundation ANNUAL REPORT. 2016. 24. 144-147
若井史博, 赤津隆, 篠田豊. Sintering Mechanics of Ceramics for Secure Materials. Ceramics Japan = セラミックス : bulletin of the Ceramic Society of Japan. 2014. 49. 2. 82-86

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Books (6)：

Nanoparticle Technology Handbook 6.2.3 Creep/Superplasticity
Elsevier 2007
Ceramic Matrix Composites Chapter 16, Superplastic Ceramic Composite
Woodhead Publishing Limited 2006
Nanomaterials - from Research to Applications, Chapter 8 Grain boundary dynamics in superplasticity
Elsevier 2006
Time Dependent Mechanical Response of Engineering Ceramics
Trans Tech Publications 1999
Precursor-Derived Ceramics
Wiley-VCH 1999

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Lectures and oral presentations (79)：

Preparation of Long Afterglow Nanoparticles by Laser Ablation in Liquid
(2010)
Preparation of long afterglow nanoparticles for bioimaging
(2010)
Superplastic flow of silicon nitride-based nanocomposite at high strain rates
(Mater. Sci. Forum 2007)
助剤無添加焼結サイアロンの高温変形挙動
(日本セラミックス協会年会・秋季シンポジウム講演予稿集 2006)
Grain boundary dynamics in nanograin superplasticity, grain growth and sintering
(Materials Science & Technology 2006 2006)

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Works (1)：

High-strain rate superplasticity in ceramics: Theoretical and experimental approach
2005 - 2006

Education (2)：

Professional career (1)：

Work history (13)：

2024/10 - 現在 Institute of Sciecne Tokyo
2022/10 - 現在 National Institute for Materials Science Research Center for Structural Materials Special researcher
2021/04 - 現在 Tokyo Institute of Technology
2017/04 - 2021/03 Tokyo Institute of Technology Institute of Innovative Research, Laboratory for Materials and Structures Professor
2016/04 - 2017/03 Tokyo Institute of Technology Institute of Innovative Research, Materials and Structures Laboratory Director

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Committee career (15)：

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Awards (8)：

2024/05 - Japan Society of Powder and Powder Metallurgy JSPM Award for Distinguished Achievements in Research Ceramics Superplasticity and High-temperature Deformation Theory of Sintering
2018/06 - The Ceramic Society of Japan Fellow
2012/09 - World Academy of Ceramics Academician World Academy of Ceramics, Academician
2008/10 - The American Ceramic Society Fellow, The American Ceramic Society
2004/05 - The Ceramic Society of Japan CerSJ Award for academic achievements in ceramic science and technology Research on grain boundary network dynamics in ceramic superplasticity

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Association Membership(s) (7)：

The Ceramics Society of Japan , Japan Institute of Metals , American Ceramics Society , 超塑性研究会 , 日本セラミックス協会 , 日本金属学会 , American Ceramic Society

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