超音波複合振動付加によるTi-6Al-4V合金の材料除去率の改善 Improvement of material removal rate of Ti-6Al-4V alloy by electrical discharge machining with multiple ultrasonic vibration

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According to recent research the inferiority of electrical discharge machining performance of Ti–6Al–4V alloy was obvious. In this paper an efficient machining process, which combines electrical discharge machining and multiple ultrasonic vibration, is proposed for improving the material removal rate. The experimental results show that the materials removal rate of both SKD11 and Ti–6Al–4V alloy is remarkably improved with the proposed machining process, especially for Ti–6Al–4V alloy at small pulse duration. The improvement mechanism is assumed to be a fact that multiple ultrasonic vibration accelerates the ejection of debris out of the small gap between the facing materials, i.e., the electrode and workpiece. It is also shown that lower relative electrode wear is obtained, and the most significant effect is observed when machining with lower pulse duration or higher discharge current. Experimental result indicate that comparing with conventional electrical discharge machining, the proposed machining process produces a thinner recasting layer, although it is with slight deterioration in the finished surface.

収録刊行物

  • 軽金属

    軽金属 47(4), 220-225, 1997-04-30

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003795282
  • 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
    4184919
  • 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  NDL  J-STAGE 
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