Al-4.5mass%Cu合金鋳物の表面層組織に及ぼす振動の影響 Effects of Vibration on Surface Layer Structure of Al-4.5mass% Cu Alloy Castings

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  To investigate the effects of vibration on the surface layer of castings and ingots, the droplet of Al-4.5mass%Cu alloy was dropped on a cast iron plate vibrated at a frequency of 2.5∼60kHz, and the temperature change of droplet was measured using a thermocouple during solidification. Discs and predendrites were observed microscopically at the surface layer structure of the droplets. The number of disc and chill crystal formed on the surface of the droplet increased as the frequency increased, but the value of heat transfer coefficient at the droplet-chill plate interface was independent of the frequency. The dendrite arm spacing in the region from the surface of the droplet to 200μm decreased as the frequency increased.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society  

    鋳造工学 = Journal of Japan Foundry Engineering Society 68(4), 313-318, 1996-04-25 

    Japan Foundry Engineering Society

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各種コード

  • NII論文ID(NAID)
    10002113261
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    3976349
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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