Al-6%Zn合金のセレーションの出現に及ぼす熱処理条件の影響 Effect of heat-treatment condition on the occurrence of serrations in an Al-6 mass%Zn alloy

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The eflfect of heat-treatment conditions on occurrence of serration in an Al–6 mass%Zn alloy was investigated. The specimen was aged for each time within 2600 ks mainly at 293 K after water-quenching from temperatures (<i>T</i><sub>Q</sub>) ranging from 473 K to 853 K, and then tensile-tested at room temperature (293 K). The lower the <i>T</i><sub>Q</sub> was and the shorter the aging time was, the more easily the serration occurred. As a result, in the case of <i>T</i><sub>Q</sub>=473 K, the serration occurred even after aging for a long time such as 2600 ks, while in the case of <i>T</i><sub>Q</sub>=773 K, the serration did not occur independent of aging conditions. Also, the serration occurred when specimens were furnace-cooled from 773 K to room temperature. From these results and those obtained by means of electrical resistivity measurements, it is considered that the serration in this alloy occurs when small GP zones such as Guinier radius under 1 nm or some solute clusters are formed.

収録刊行物

  • 軽金属

    軽金属 47(2), 110-113, 1997-02-28

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003795038
  • 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
    4139960
  • 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  CJP引用  NDL  J-STAGE 
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