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Real-time TEM observation of actual contact area to reveal the mechanisms of friction and wear

Research Project

Project/Area Number 16H06065
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Design engineering/Machine functional elements/Tribology
Research InstitutionThe University of Tokyo

Principal Investigator

Takaaki Sato  東京大学, 生産技術研究所, 協力研究員 (80624840)

Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥24,570,000 (Direct Cost: ¥18,900,000、Indirect Cost: ¥5,670,000)
Fiscal Year 2019: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2018: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2017: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2016: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Keywordsナノトライボロジー / その場観察 / 透過型電子顕微鏡 / 真実接触面 / MEMS / TEM / トライボロジー / マイクロマシン / 電子顕微鏡 / ナノコンタクト
Outline of Final Research Achievements

When we bring two objects into contact, the entire area does not make contact, only some specific area makes contact. Friction occurs at those actual contact area. Conventional friction study measures friction force and nominal force with changing the material to be scratched, the lubrication and the environment such as temperature and vacuum level in order to elucidate the mechanics of the actual contact area. On the other hand we combined MEMS technology with TEM, and built up novel experimental setup enabling us to observe the area at the nanoscale while simultaneously measuring the forces.

Academic Significance and Societal Importance of the Research Achievements

2つの面を接触させて水平方向に動かすと、駆動と逆向きに抵抗力が発生する。これが摩擦である。摩擦は幅広いスケールで現れる。小さなスケールではマイクロマシンや分子モーターの駆動部分、大きなスケールではプレート間に働いて地殻変動や地震の原因になる。新たに開発した計測手法は、真実接触面を原子レベルで観察し、摩擦力と垂直抗力の計測が可能であり、従来のマクロスケールの摩擦研究と比較が可能になった。構築した実験系で金属の摩擦を原子レベルで観察し、予想とどう異なるかを説明した。このミクロとマクロとの比較は、最先端の工業で用いる微小な機械の性能向上だけでなく、身の回りの現象の理解に向けた知見の獲得に貢献する

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (18 results)

All 2019 2018 2017 2016

All Journal Article (10 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 8 results,  Acknowledgement Compliant: 1 results) Presentation (7 results) (of which Int'l Joint Research: 3 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] In situ STEM Mechanical Experiments at Atomic-Resolution Using a MEMS Device2019

    • Author(s)
      E. Tochigi, T. Sato, N. Shibata, H. Fujita, Y. Ikuhara
    • Journal Title

      Microsc. Microanal.

      Volume: 25 Pages: 1884-1885

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] MEMSデバイスを利用した新規その場TEM機械試験システムの構築と評価2019

    • Author(s)
      栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一
    • Journal Title

      M&M2019 材料力学カンファレンス 論文集

      Volume: 1

    • NAID

      130007846530

    • Related Report
      2019 Annual Research Report
  • [Journal Article] その場TEM機械試験法による結晶格子欠陥の動的挙動の解析2019

    • Author(s)
      栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一
    • Journal Title

      日本材料学会 第4回マルチスケール材料力学 シンポジウム 論文集

      Volume: 1

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Current driven magnetic actuation of a MEMS silicon beam in a transmission electron microscope2019

    • Author(s)
      N. L. Dauzier, M. Denoual, T. Sato, S. Tachikawa, L. Jalabert, H.iFujita
    • Journal Title

      Ultramicroscopy

      Volume: 197 Pages: 100-114

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Real-time observation of slipping and rolling events in DLC wear nanoparticles2018

    • Author(s)
      T. Sato, S. Nabeya, V. Menon, T. Ishida, R. Kometani, H. Fujita
    • Journal Title

      Nanotechnology

      Volume: 29 Pages: 325707-325707

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Liquid cell with temperature control for in-situ TEM chemical studies2018

    • Author(s)
      M. Denoual, V. Menon, T. Sato, O. de Sagazan, A. W. Coleman, and H Fujita
    • Journal Title

      Measurement Science and Technology

      Volume: 30 Pages: 017001-017001

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A pressure sensitive ionic gel FET for tactile sensing2017

    • Author(s)
      S. Yamada, T. Sato, H. Toshiyoshi
    • Journal Title

      Applied Physics Letters

      Volume: 110 Pages: 253501-253501

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 真実接触点のその場観察について2017

    • Author(s)
      佐藤 隆昭、藤田 博之
    • Journal Title

      表面科学会

      Volume: 1 Pages: 105-110

    • NAID

      130005475389

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] An experimental system combined with a micromachine and double-tilt TEM holder2016

    • Author(s)
      T. Sato, E. Tochigi, T. Mizoguchi, Y. Ikuhara, H. Fujita
    • Journal Title

      Microelectronic Engineering

      Volume: 164 Pages: 43-47

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] 銀摩擦界面におけるステックスリップ現象のリアルタイムTEM観察2016

    • Author(s)
      佐藤 隆昭、藤田 博之
    • Journal Title

      トライボロジスト

      Volume: 8 Pages: 519-524

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Presentation] In Situ TEM Observation of Nanoscale Wear2019

    • Author(s)
      Takaaki Sato, Masahiro Nomura, Robert W. Carpick
    • Organizer
      ITC2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] In Situ STEM Mechanical Experiments at Atomic-Resolution Using a MEMS Device2019

    • Author(s)
      Eita Tochigi, Takaaki Sato, Naoya Shibata, Hiroyuki Fujita, Yuuichi Ikuhara
    • Organizer
      Microscopy and Microanalysis 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] MEMSデバイスを利用した新規その場TEM機械試験システムの構築と評価2019

    • Author(s)
      栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一
    • Organizer
      材料力学カンファレンス2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] 原子分解能その場TEM機械試験法の開発と検証2019

    • Author(s)
      栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一
    • Organizer
      日本顕微鏡学会第75回学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] その場TEM機械試験法による結晶格子欠陥の動的挙動の解析2019

    • Author(s)
      栃木栄太, 佐藤隆昭, 柴田直哉, 藤田博之, 幾原雄一
    • Organizer
      日本材料学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Real time TEM observation of metallic nano-asperity friction2017

    • Author(s)
      T. Sato, M. Vivek, H. Fujita
    • Organizer
      WTC2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 個体潤滑の機構解明に迫るためのナノ接点の実時間TEM観察2016

    • Author(s)
      立川冴子、佐藤隆昭、藤田 博之
    • Organizer
      トライボロジー会議 2016
    • Place of Presentation
      新潟、朱鷺メッセ
    • Year and Date
      2016-10-12
    • Related Report
      2016 Annual Research Report
  • [Patent(Industrial Property Rights)] 圧力センサ及び圧力センサアレイ2017

    • Inventor(s)
      年吉洋, 佐藤隆昭, 山田駿介
    • Industrial Property Rights Holder
      年吉洋, 佐藤隆昭, 山田駿介
    • Industrial Property Rights Type
      特許
    • Filing Date
      2017
    • Acquisition Date
      2017
    • Related Report
      2017 Annual Research Report

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Published: 2016-04-21   Modified: 2021-02-19  

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