Relationship between 〈111〉 rotation recrystallization mechanism and slip bands with compressive strains during tensile deformation in aluminum single crystals

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  • Inoko Fukuji
    The University of Tokushima
  • Kashihara Keizo
    Wakayama National College of Technology
  • Tagami Minoru
    Department of Mechanical Engineering, Faculty of Engineering, The University of Tokushima
  • Okada Tatsuya
    Department of Mechanical Engineering, Faculty of Engineering, The University of Tokushima

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タイトル別名
  • Relationship between ⟨111⟩ Rotation Recrystallization Mechanism and Slip Bands with Compressive Strains during Tensile Deformation in Aluminum Single Crystals
  • Relationship between 111 rotation recrystallization mechanism and slip bands with compressive strains during tensile deformation in aluminum single crystals
  • Relationship between ⟨111⟩ Rotation Recrystallization Mechanism and Slip Bands with Compressive Strains during Tensile Deformation in Aluminum Single Crystals

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抄録

The ⟨111⟩ rotation recrystallization mechanism, that is the slip band intersection model, presents that a ⟨111⟩ rotation recrystallization nucleus is formed in an intersection part of two kinds of slip bands. The nucleus is obtained by the rotation of the deformed matrix around ⟨111⟩ axis normal to the common cross slip plane of these slip systems. Eight kinds of nuclei are composed of four ⟨111⟩ axes with clockwise and counterclockwise rotations. For these formations in tensile deformation, the operation of slip bands with compressive strain plays an important role. So the operation of twenty-four slip systems including plus and minus directions should be estimated. In tensile deformation, the recrystallization nuclei of ⟨001⟩, ⟨112⟩, ⟨111⟩, and Schmid factor m=0.5 with kink bands in aluminum single crystals have been estimated and compared with the experimental results, and good relations have been found between them in terms of the selection of kinds of nuclei and their frequency.

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