液相カーボンコートによるシリカ球状粒子の潤滑性向上

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  • 郷田 隼
    (株)日本触媒 事業創出本部 研究センター
  • 小野 博信
    (株)日本触媒 事業創出本部 研究センター

書誌事項

タイトル別名
  • Lubricity Improvement of Spherical Silica Particles by Liquid Phase Carbon Coating
  • エキソウ カーボンコート ニ ヨル シリカ キュウジョウ リュウシ ノ ジュンカツ セイコウ ジョウ

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抄録

<p>The vapor phase carbon coating such as diamond-like carbon (DLC) coating can form a hard carbon layer with a uniform and large area on the base materials, and is widely used in industry. However, it is impossible to perform carbon coating on a powder or a structure having a complicated shape by the vapor phase carbon coating method. Further, since the vapor phase carbon coating method is expensive and not suitable for mass production, therefore it is required the development of an inexpensive liquid phase carbon coating method. In this study, we developed a liquid-phase carbon coating method that enables uniform and ultrathin carbon coating on silica spherical particles by using a soluble carbon material derived from phloroglucinol, and developed carbon-coated silica spherical particles that have both high lubricity and wear suppression ability. The carbon coated silica spherical particles exhibited high lubrication characteristics as a dispersion of low and high viscosity or the form of a spray.</p>

収録刊行物

  • トライボロジスト

    トライボロジスト 67 (3), 201-206, 2022-03-15

    一般社団法人 日本トライボロジー学会

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