超硬合金上へのCVDダイヤモンドの被覆とその切削特性 Coating of CVD Diamond on Cemented Carbide and Evaluation of its Wear Resistance

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抄録

Chemically vapor-deposited (CVD) diamond has been utilized in diamond brazed cutting tools. Generally, due to the difficulty in producing thick CVD diamond, the tools have conventionally been produced by brazing a diamond film about 300μm in thickness on a cemented carbide used as the base metal for the cutting tool. The production process for such tools is very complex due to the many production steps involved.<br>A new method in which 200∼300μm thick CVD diamond can be directly synthesized on the cemented carbide has been developed in order to simplify this process. The cemented carbide is cut off by wire electric discharge machining (WEDM) in advance and grid notches are introduced on the carbide by YAG laser beam irradiation making the production of a thick diamond film possible.<br>The amount of flank wear on a diamond coated tool produced by this method was less than 1/5 of that on a diamond sintered tool. The tool also showed excellent cutting performance, compared with tools produced by the conventional method.

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 48(1), 49-53, 1997-01-01

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002258139
  • 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
    4118796
  • 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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