Fabrication and wear properties of TiN nanoparticle-dispersed Si_3N_4 ceramics(<Feature>SiAlons and Non-oxides)

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概要

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• TiN particle-dispersed Si_3N_4 ceramics are applied to bearing materials because of their excellent mechanical and thermal properties, chemical stability, etc. In particular, hybrid bearings composed of Si_3N_4 ceramics and metals are more popular because of low production costs. In such hybrid bearings, control of abrasive wear of metals by hard TiN particles is required. The objective of this study is development of TiN nanoparticle-dispersed Si_3N_4 ceramics that cause low damage to the mating metals. In order to disperse TiN nanoparticles in Si_3N_4 ceramics, TiO_2 nanoparticles and Si_3N_4 particles were mixed by mechanical treatment. TEM observation showed that TiO_2 nanoparticles were directly bonded to submicron Si_3N_4 particles. Si_3N_4 ceramics in which TiN nanoparticles were uniformly dispersed were fabricated using the composite particles. The amount of damage caused by the Si_3N_4 ceramics with TiN nanoparticles, developed in this study, to the mating metals in ball-on-disk test is comparable to damage caused by the Si_3N_4 ceramics without TiN particles.

• 2008-06-01

著者

• TATAMI Junichi

  Graduate School of Environment and Information Science, Yokohama National University

• KOMEYA Katsutoshi

  Graduate School of Environment and Information Science, Yokohama National University

• MEGURO Takeshi

  Graduate School of Environment and Information Science, Yokohama National University

• Watanabe Hiroshi

  Graduate School of Frontier Sciences, The University of Tokyo

• Kondo K

  Kyoto Univ. Kyoto Jpn

• Meguro Takeshi

  Graduate School Of Environment And Information Sciences Yokohama National Univ.

• Meguro Takeshi

  Graduate School Of Environment And Information Science Yokohama National University

• Azushima Akira

  Graduate School Of Engineering Yokohama National University

• Wakihara Toru

  Graduate School Of Environment And Information Sciences Yokohama National Univ.

• NAKANO Hiromi

  Electron Microscope Laboratory, Faculty of Science and Technology, Ryukoku University

• Komeya K

  Graduate School Of Environment And Information Sciences Yokohama National Univ.

• Komeya Katutoshi

  Graduate School Of Environment And Information Science Yokohama National University

• Kondo K

  Tokyo Inst. Technol. Yokohama Jpn

• Tatami Junichi

  Department Of Artificial Environment And Information Faculty Of Environment And Information Sciences

• Meguro Takeshi

  Department Of Artificial Environment And Information Faculty Of Environment And Information Sciences

• Kondo K

  Stanley Electric Co. Ltd. Yokohama Jpn

• Kondo Kazuhiro

  Fujitsu Laboratories Ltd.

• Kondo K

  Fujitsu Laboratories Ltd.

• Kondo Kunitaka

  Institute Of Physics University Of Tsukuba

• Nakano Hiromi

  Cooperative Res. Facility Center Toyohashi Univ. Of Technol.

• Nakano Hiromi

  Electron Microscope Laboratory Faculty Of Science And Technology Ryukoku University

• Kondo Ken'ichi

  Broadcasting Science Research Laboratories Of Nippon Hoso Kyokai:(present Address) Moririka Electron

• Komeya Katsutoshi

  Graduate School Of Environment And Information Science Yokohama National University

• KODAMA Eriok

  Graduate School of Environment and Information Science, Yokohama National University

• Kodama Eriok

  Graduate School Of Environment And Information Science Yokohama National University

• Wakihara Toru

  Graduate School And Research Institute Of Environment And Information Sciences Yokohama National University

• Tatami Junichi

  Graduate School And Research Institute Of Environment And Information Sciences Yokohama National University

• Kodama Eriko

  Graduate School of Environment and Information Science, Yokohama National University

• Nakano Hiromi

  Sumitomo Electric Industries, Ltd.

• Meguro Takeshi

  Graduate School and Research Institute of Environment and Information Sciences, Yokohama National University

• Tatami Junichi

  Graduate School and Research Institute of Environment and Information Sciences, Yokohama National University

• WATANABE Hiroshi

  Graduate School of Electrical and Electronic Engineering and Venture Business Laboratory, Chiba University

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