チタンのプラズマ浸炭窒化による硬質Ti(C, N)層の作製 Preparation of hardened Ti(C, N)layer by plasma carbonitriding of Ti

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Plasma carbonitriding process has been applied to preparation of hard Ti(C, N) layer on the surface of titanium plate at relatively low temperatures. The formation of thick Ti(C, N) layer was confirmed by means of XRD and ESCA measurements and Vickers hardness test. The carbonitriding was carried out in an r.f. (4 MHz) glow plasma generated in quartz tube using N<sub>2</sub>–C<sub>2</sub>H<sub>2</sub> gas mixtures. The Ti(C, N) layer consisted of continuous solid solution of TiN and TiC. With increase in the C<sub>2</sub>H<sub>2</sub> ratio of carbonitriding gas, the thickness of carbonitriding layer somewhat decreased, but the friction coefficient of the surface was improved and its value was similar with that of commercial TiN films for cutting tools. The addition of inert gas (He, Ar) into N<sub>2</sub>–C<sub>2</sub>H<sub>2</sub> gas somewhat decreased the thickness of the carbonitriding layer, while the surface roughness of carbonitrided Ti was rather improved. It may be presumed that the bombardment of massive inert gas ion assists to make the surface more smooth.

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  • 軽金属

    軽金属 47(6), 317-322, 1997-06-30

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003795518
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    4248959
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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