層状組織を有するAl–Mn系合金H1n質別材の伸びに及ぼす熱処理条件の影響

  • 吉野 路英
    Products Research and Development Department, Mitsubishi Aluminum Co., LTD.
  • 岩尾 祥平
    Products Research and Development Department, Mitsubishi Aluminum Co., LTD.
  • 黒田 周
    Products Research and Development Department, Mitsubishi Aluminum Co., LTD.

書誌事項

タイトル別名
  • Effect of heat treatment condition on elongation of H1n-tempered Al–Mn alloy with layered structure
  • 層状組織を有するAl-Mn系合金Hln質別材の伸びに及ぼす熱処理条件の影響
  • ソウジョウ ソシキ オ ユウスル Al-Mnケイ ゴウキン Hlnシツ ベツザイ ノ ノビ ニ オヨボス ネツ ショリ ジョウケン ノ エイキョウ
  • Effect of heat treatment condition on elongation of H1n-tempered Al^|^ndash;Mn alloy with layered structure

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説明

The effect of heat treatment condition on elongation of H1n-tempered Al–Mn alloy with layered structure has been investigated. Uniform elongation and local elongation were measured respectively. The work hardening exponent (n value) increased with decreasing size and increasing density of dispersoid, and thus uniform elongation was improved. On the other hand, local elongation increased with refinement and homogenization of dislocation structure. It is considered that strain rate sensitivity exponent (m value) increases as dislocation structure becomes finer and more homogeneous, and thus localization of necking was inhibited and relatively homogeneous deformation continued up to higher strain.

収録刊行物

  • 軽金属

    軽金属 63 (3), 111-117, 2013

    一般社団法人 軽金属学会

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