帯溶融法を利用した粒子添加複合材料の一方向凝固 Unidirectional Solidification of Particle Dispersed Composites by Zone Melting Method

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  Unidirectional solidification experiments have been carried out in Al/Al<sub>2</sub>O<sub>3</sub> composites by using the zone-melting process. The experimental results show as follows. When the volume fraction of Al<sub>2</sub>O<sub>3</sub> particles is 5∼20vol %, particles can be distributed uniformly in the solidified samples. But particle settling still occurs in the liquid, and becomes severer as the particle volume fraction decreases. However, when the volume fraction of the particles is more than 20∼22 vol %, no further settling occurs under a solidification velocity of 8∼16 mm/h. The solidification rate has a very small effect on the settling height with the same particle contents. In order to investegate the interaction of solid/liquid interface and particles, a main solidification experiment was carried out using the samples made in the above mentioned experiment. The Al<sub>2</sub>O<sub>3</sub> particles are pushed by the growing solid phase under a solidification velocity of 2mm/h. The particles are mechanically entrapped between cells, and distributed along the crystal grain boundaries.

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 69(1), 3-8, 1997-01

    公益社団法人 日本鋳造工学会

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各種コード

  • NII論文ID(NAID)
    10003799761
  • 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
    4118733
  • 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  CJP引用  NDL  J-STAGE 
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