Slip Morphology and Recrystallization in Copper Single Crystals Tensile-Deformed along ⟨011⟩ and ⟨001⟩ Direction

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  • Okada Tatsuya
    Department of Mechanical Engineering, Faculty of Engineering, Tokushima University
  • Utani Mitsuyoshi
    Department of Mechanical Engineering, Faculty of Engineering, Tokushima University
  • Osue Atsushi
    Department of Mechanical Engineering, Faculty of Engineering, Tokushima University
  • Fujii Nobukazu
    Department of Mechanical Engineering, Faculty of Engineering, Tokushima University
  • Tagami Minoru
    Department of Mechanical Engineering, Faculty of Engineering, Tokushima University
  • Inoko Fukuji
    Department of Mechanical Engineering, Faculty of Engineering, Tokushima University

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Other Title
  • Slip Morphology and Recrystallization in Copper Single Crystals Tensile-Deformed along〈011〉and〈001〉Direction
  • Slip Morphology and Recrystallization in Copper Single Crystals Tensile Deformed along 011 and 001 Direction
  • Slip Morphology and Recrystallization in Copper Single Crystals Tensile-Deformed along ⟨011⟩ and ⟨001⟩ Direction

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Description

Single crystals of pure copper were tensile-deformed along ⟨011⟩- and ⟨001⟩ direction and then annealed to study their deformation and recrystallization behaviors. In the ⟨011⟩ single crystals, no large-scale deformation band was formed. The areas where the secondary slip was activated were small and were randomly distributed throughout the deformed crystals. Large rotation with respect to the initial orientation was found. After annealing, many recrystallized grains were formed. In the ⟨001⟩ single crystal, because of almost equal activation of eight slip systems on four slip planes, orientation change associated with deformation was very small. Large-scale cross-slip was completely suppressed. As a result, the work-hardening of the ⟨001⟩ single crystal was very large. After annealing, large primary recrystallized grains were formed. The above results are compared with those of aluminum single crystals having the same tensile orientations.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 46 (3), 602-607, 2005

    The Japan Institute of Metals and Materials

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