OCCプロセスによる Cu-Al-Ni 形状記憶合金線の連続鋳造

書誌事項

タイトル別名
  • Continuous Casting of Shape Memory Cu-Al-Ni Alloy Wires by OCC Process
  • OCCプロセスによるCu-AI-Ni形状記憶合金線の連続鋳造
  • OCC プロセスニヨルCu-AI-Ni ケイジョウ キオク ゴウキンセン ノ

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抄録

  The possibility of applying the Ohno continuous casting (OCC) process for fabricating Cu-based shape memory alloy wires was examined using Cu-14.1 mass % Al-4.2 mass % Ni alloy. Most of the cast wires, 2mm in diameter, were found to have unidirectional structures with a matrix phase of β1 in which fine γ2 particles were dispersed. It was found that at a lower casting speed range (0.8∼1.5 mm/ s), the cast wires showed shape memory effects arising from stress-induced martensitic transformations. At higher casting speeds (1.8∼2.5 mm/s), the cast wires produced exhibited super elasticity at room temperature. In addition, the fatigue failure of the cast wires (casting speed : 2.5 mm/s) occurred after 6500 of cycles of bending.

収録刊行物

  • 鋳造工学

    鋳造工学 70 (9), 635-640, 1998

    公益社団法人 日本鋳造工学会

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