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Effect of electric field on friction and wear of carbon brush

Research Project

Project/Area Number 23656120
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Design engineering/Machine functional elements/Tribology
Research InstitutionNagoya University

Principal Investigator

UMEHARA Noritsugu  名古屋大学, 工学(系)研究科(研究院), 教授 (70203586)

Co-Investigator(Kenkyū-buntansha) KOUSAKA Hiroyuki  名古屋大学, 大学院・工学研究科, 准教授 (90362318)
TOKOROYAMA Takayuki  名古屋大学, 大学院・工学研究科, 助教 (20432247)
TSUKIYAMA Yousuke  新潟大学, 大学院・自然科学研究科, 助教 (00533639)
Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsトライボロジー / カーボンブラシ / 摩擦 / 電場 / 摩耗 / カーボン / ファイバー
Research Abstract

In order to realize new transmission and brake systems with small volume, high friction coefficient and wear resistance will be needed for sliding elements. Carbon fiber brush will be one of the promising elements if it have high friction coefficient and wear resistance. In this research, we proposed a loop-type carbon brush to avoid the sever wear of carbon brush from the edge. The proposed loop-type one showed 1/10 of wear volume compared to the normal-type carbon brush. In order to improve the friction coefficient of carbon brush, electric voltages were applied to the brush as 100 V, 200V and 300V. However electric voltages could not change the elastic stiffness of carbon bush.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (2 results)

All 2013 Other

All Presentation (2 results)

  • [Presentation] カーボンファイバーブラシの静・動摩擦係数と摩耗低減方法2013

    • Author(s)
      磯貝 司, 野老山 貴行, 梅原 徳次
    • Organizer
      日本機械学会年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      2013-09-09
    • Related Report
      2013 Final Research Report
  • [Presentation] カーボンファイバーブラシの静・動摩擦係数と摩耗低減方法

    • Author(s)
      磯貝 司,野老山 貴行,梅原 徳次
    • Organizer
      日本機械学会年次大会
    • Place of Presentation
      岡山大学
    • Related Report
      2013 Annual Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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