ニッケル酸化膜の摩擦によるエキソ電子放出とエタノールの分解反応との関連 Exoelectron Emission from Nickel Oxide Film during Rubbing and Its Relationship to Ethanol Vapor Decomposition

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The tribochemical reaction of ethanol on oxidized nickel surfaces was studied using gas chromatography, XPS, and exoelectron emission (EEE) and surface potential (SP) measurements. Ametal surface intentionally oxidized by heating in air at 25-800°C was rubbed with the same metal sample in ethanol vapor. EEE was measured using a Geiger counter with Ar-C<sub>2</sub>H<sub>5</sub>OH counter gas. SP was measured by a vibrating reed electrometer. Two gaseous products formed with and without friction--acetaldehyde (A) and an unidentified species (B) containing a carbonyl group. Friction increased products and EEE. Products tended to increase with EEE regardless of friction. Product formation was accompanied by carbon deposition. SP for surfaces oxidized at higher temperatures was negative, but after the reaction increased positively due to carbon deposition. The change in SP correlates with the activated tribochemical reaction, EEE appears to originate when negative charge on the oxidized surface is released due to the reduction by ethanol.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan

    表面技術 = The Journal of the Surface Finishing Society of Japan 49(9), 1003-1009, 1998-09-01

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002110628
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    4557752
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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