アルミニウム合金の切りくず折断性向上に及ぼす第二相粒子の影響 Influence of second-phase particles on chip breakability in aluminum alloys

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In order to investigate the influence of second-phase particles on chip breakability of aluminum alloys, turning test for various wrought aluminum alloys were carried out with carbide inserts (K10) in dry and wet cutting conditions. In the materials, Al<sub>2</sub>Cu, Mg<sub>2</sub>Si, Al–Fe–Si system compound and eutectic Si were observed as second-phase particles. Chip breakability of materials which containing Al<sub>2</sub>Cu or Si as second-phase particles were superior than that of materials with Mg<sub>2</sub>Si or Al–Fe–Si system compound. This tendency was more prominent in wet cutting than in dry cutting. The Al<sub>2</sub>Cu and Si particles on the machined surface were fractured by cutting tool in machining. It was estimated that those fractured second-phase particles acted as nucleus of chip breaking during machining. Moreover, the increase of the chip breakability in wet cutting was attributable to the promotion of fracture of Al<sub>2</sub>Cu and Si particles due to the Rehbinder effect.

収録刊行物

  • 軽金属  

    軽金属 56(12), 699-704, 2006-12-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10018660878
  • 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
    8623478
  • 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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