NAKAO Wataru

Organization

Faculty of Engineering, Division of Systems Research

Title

Professor

Date of Birth

1974

Research Fields, Keywords

Self-crack-healing, Intelligent material, Ceramic matrix ceramics, Mechanics of fracture, structual ceramics

Mail Address

E-mail address

Homepage URL

http://www.nakaolab712.blogspot.com



写真a

Graduating School 【 display / non-display

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    1998

    Tokyo Institute of Technology   Faculty of Engineering   Department of metallgy   Graduated

Graduate School 【 display / non-display

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    2003

    Tokyo Institute of Technology  Graduate School, Division of Science and Engineering  Department of Chemistry and Materials Science  Doctor Course  Completed

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    2000

    Tokyo Institute of Technology  Graduate School, Division of Science and Engineering  Department of Chemistry and Materials Science  Master Course  Completed

Degree 【 display / non-display

  • Ph D -  Tokyo Institute of Technology

Academic Society Affiliations 【 display / non-display

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    The Japan Institute of Metals

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    The Society of Materials Science, Japan

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    American Ceramics Society

Field of expertise (Grants-in-aid for Scientific Research classification) 【 display / non-display

  • Materials/Mechanics of materials

  • Inorganic materials/Physical properties

  • Structural/Functional materials

 

Research Career 【 display / non-display

  • Development of ceramics having self-crack-healing ability

    Project Year:  -   

Books 【 display / non-display

  • Self-healing Materials, Fundamental, Design Strategies, and Application

    W. Nakao, K. Takahashi, and K. Ando (Part: Joint Work , Range: Chapter 6 Self-healing of Surface Cracks in Structural Ceramics )

    WILEY-VCH Verlag GmbH & Co. KGaA  2009.01 ISBN: 9783527318292

  • Advanced Nanomaterials

    W. Nakao, K. Takahashi and K. Ando (Part: Joint Work , Range: Chapter 17; Self-healing of Surface Cracks in Structural Ceramics )

    Wiey-VCH  2010 ISBN: 9783527317943

  • ENCYCLOPEDIA OF COMPOSITES

    Wataru Nakao (Part: Single Work , Range: one chapter; SiC whisker compsite )

    Wiley-VCH  2012

  • Properties and Applications of Silicon Carbide

    Wataru Nakao (Part: Joint Work , Range: Chapter 11 Effect of Self-healing on Fatigue Behaviour of Structural Ceramics and Influence Factors on Fatigue Strength of Healed Ceramics )

    INTECH  2011.04 ISBN: 9789533072012

     View Summary

    セラミックス疲労挙動に及ぼす自己治癒性の効果について解説を行った.

  • Advances in ceramics matrix composite

    T. Osada, W. Nakao, K. Takahashi, K. Ando (Part: Joint Work , Range: Chapter 17 Self Crack-Healing Behavior in Ceramic-Matrix Composites )

    Woodhead Publisher  2014.02 ISBN: 9780857091208

     View Summary

    自己治癒能力を有するセラミックスの概略を示し,自己治癒性と環境雰囲気との関係性について解説を行った.

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Thesis for a degree 【 display / non-display

  • Al-O-N系の熱力学的相安定性とγ-ALON緩衝層を用いた単結晶AlNの作製

    中尾 航 

      2003.03

    Doctoral Thesis   Single Work

     View Summary

    東京工業大学大学院理工学研究科物質科学専攻 Al-O-N-C系の高温化学平衡を実験的に測定する手法を確立し,γ-酸窒化アルミニウムの熱力学相安定性を実験的に決定した.これらの相安定図を基に,グラファイト飽和の窒素/一酸化炭素混合ガスによりサファイア基板を窒化し,酸窒化アルミニウムを緩衝層として持つ転位密度の小さい高品位単結晶窒化アルミニウム膜を得る新製造方法を開発した.

  • 熱炭素還元窒化法によるalon合成反応の標準Gibbsエネルギー変化

    中尾 航 

      2000.03

    Master Thesis   Single Work

     View Summary

    東京工業大学大学院理工学研究科物質科学専攻 Al-O-N-C系の高温化学平衡を実験的に測定する手法を確立し,γ-酸窒化アルミニウムの熱力学安定性を実験的に決定したγ酸窒化アルミニウムもしくは窒化アルミニウムとアルミナおよびグラファイトが共存する窒素/一酸化炭素の平衡ガス組成を測定した.得られた結果から,アルミナの炭素還元窒化反応の標準Gibbsエネルギー変化を決定した.また,酸窒化アルミニウムの共析分解温度を1903 Kと決定し,2000 KにおけるAl-O-N-C系の化学ポテンシャル図を作成した

Papers 【 display / non-display

  • Enhancement of self-healing ability in oxidation induced self-healing ceramic by modifying the healing agent

    W Nakao, S Abe

    Smart materials and Structures ( IOP PUBLISHING LTD )  21 ( 2 )   25002   2012.01  [Refereed]

    Joint Work

     View Summary

    自己治癒発現物質である炭化ケイ素分散質のナノ粒子化が自己治癒セラミックスの自己治癒能力の改善に及ぼす効果を実証した.さらに,複合する炭化ケイ素粒子形状を簡便に制御可能な作製手法を提案した.

    Web of Science DOI

  • Design of capsule-type micro actuator utilizing hydrogen storage alloys by finite element analysis

    Kenta GOTO, Ohmi FUCHIWAKI, Takehito HIGUCHI, Wataru NAKAO

    Transaction of Materials Research Society Japan ( The Materials Research Society of Japan )  39 ( 2 )   145 - 152   2014.08  [Refereed]

    Joint Work

     View Summary

    水素貯蔵合金箔を金属製球形フレーム内壁に設置したカプセル型マイクロアクチュエータを提案し,水素吸脱着時の水素貯蔵合金の変形とアクチュエータ出力との関連をFEM解析を用いて示した.

    DOI

  • Self-Crack-Healing Behavior of Mullite/SiC Particle/SiC Whisker Multi-Composites And Potential Use for Ceramic Springs

    Nakao, W; Mori, S; Nakamura, J; Takahashi, K; Ando, K; Yokouchi, M

    Journal of the American Ceramics Society ( BLACKWELL PUBLISHING )  89 ( 4 )   1352 - 1357   2006.04  [Refereed]

    Joint Work

    Web of Science DOI

  • Single Crystalline AlN Film Formed by Direct Nitridation of Sapphire Using Aluminum Oxynitride Buffer

    NAKAO Wataru,FUKUYAMA Hiroyuki

    Journal of Crystal Growth ( ELSEVIER SCIENCE BV )  259   302 - 308   2003.11  [Refereed]

    Joint Work

    Web of Science DOI

  • Single crystalline AlN film formed by direct nitridation of sapphire using aluminum oxynitride buffer

    W. Nakao, H. Fukuyama

    Journal of the Crystal Growth   259 ( 3 )   302 - 308   2003.11  [Refereed]

    Joint Work

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Review Papers 【 display / non-display

  • Development & Perspective of Self-healing Materials

    NAKAO Wataru

    Materia Japan ( The Japan Institute of Metals and Materials )  51 ( 4 ) 143 - 146   2012.04

    Introduction and explanation (scientific journal)   Single Work

    CiNii

  • Materials Design Method of Self-healing Materials

    NAKAO Wataru

    Science and industry   90 ( 1 ) 2 - 6   2016.01  [Refereed]  [Invited]

    Introduction and explanation (scientific journal)   Single Work

    CiNii

  • Materials Design Concept of Self-healing Ceramics

      67 ( 9 ) 417 - 421   2015.09

    Introduction and explanation (scientific journal)   Single Work

    CiNii

  • New Innovation Created by Self-healing Materials

      66 ( 10 ) 488 - 493   2014.10

    Introduction and explanation (scientific journal)   Single Work

    CiNii

  • Surface Treatment to Improve Tribology Feature of Ceramic Components

      48 ( 9 ) 723 - 726   2013.09

    Introduction and explanation (scientific journal)   Single Work

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Grant-in-Aid for Scientific Research 【 display / non-display

  • Grant-in-Aid for Young Scientists(B)

    Project Year: 2012.04  -   

  • Grant-in-Aid for Scientific Research(B)

    Project Year: 2009.04  -  2011.03 

  • Grant-in-Aid for Scientific Research(C)

    Project Year: 2016.04  -  2019.03 

  • Grant-in-Aid for Young Scientists(B)

    Project Year: 2012.04  -  2015.03 

Other external funds procured 【 display / non-display

  • Development of the novel ceramics having self-healing function for turbine blade

    Offer organization: Japan Science and Technology Agency  Advanced Low Carbon Technology Research and Development Program

    Project Year: 2012.10  -  2020.03  Investigator(s): NAKAO Wataru

Presentations 【 display / non-display

  • Increasing the reliability of ceramics components using self-crack-healing

    4th International Conference on Self-healing Materials  2013.06  

  • ADVANCED HEALING ARGENTS FOR SELF-HEALING CERAMICS

    3rd International Conference on Self Healing Materials  2011.06  

  • Self-Healing Rate Improvement by Shape Modification of Dispersed Silicon Carbide Particles

    2nd International Conference on Self Healing Materials  2009.06  

  • Self-Healing of Heavily Machined Cracks in Si3N4/SiC and Resultant High-Temperature Fatigue Strength

    1st International Conference on Self Healing Materials  2007.04  

  • Fiber -reinforced Self-healing Ceramics and Its Original Structural Integrity

    W. Nakao  [Invited]

    ISHOC2018  2018.10.21  

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Preferred joint research theme 【 display / non-display

  • R&D on novel self-healing ceramics used at high temperatrue

  • Development of advance ceramics having self-crack-healing ability-development of ceramics spring for high temperature use

 

Social Contribution(Extension lecture) 【 display / non-display

  • 4th International Conference on Self-healing Ceramics

    2013.06
     
     

  • 5th International Conference on Self-healing Ceramics

    2015.06
     
     

  • ICM&P2011

    2011.06
     
     

  • ICM&P2014

    2014.06
     
     

  • ASMP2015

    2015.08