Relationship between Deformation and Recrystallization Structures in Fe-Si Single Crystal and Bicrystal Containing {111}‹112› Grain

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  • Relationship between Deformation and Recrystallization Structures in Fe-Si Single Crystal and Containing {111}<112> Grain
  • Relationship between Deformation and Recrystallization Structures in Fe-Si Single Crystal and Bicrystal Containing {111}&lsaquo;112&rsaquo; Grain

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Description

To study the relationship between slip morphology and recrystallization of body centered cubic metals, an Fe-3%Si alloy single crystal sample of {111}‹112› orientation and a bicrystal sample having {111}‹112› and {001}‹110› component grains were deformed in tension and subsequently annealed. Both samples exhibited necking at the beginning of plastic deformation. The appearance of slip bands was totally different in the component grains of the bicrystal sample. Straight slip bands aligned along the traces of two {110} slip planes were observed in the {111}‹112› grain. On the other hand, wavy slip bands accompanied by high-step cross-slip were observed in the {001}‹110› grain. After annealing, the tensile-deformed single crystal sample did not recrystallize. In the bicrystal sample, recrystallized grains were formed only in the {111}‹112› grain. The difficulty in recrystallization of tensile-deformed samples is discussed in relation to the tendency to cross-slip.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 45 (2), 415-418, 2004

    The Japan Institute of Metals and Materials

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