The Formation of the Deformed Matrix with Cube Orientation and the Origin of Cube Texture

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  • 銅の(001)[100]方位のDeformed Matrixの形成並びに立方体集合組織の成因について
  • 銅の(001)〔100〕方位のDeformed Matrixの形成並びに立方体集合組織の成因について
  • ドウ ノ 001 100 ホウイ ノ Deformed Matrix ノ ケイセイ ナラビニ リッポウタイ シュウゴウ ソシキ ノ セイイン ニ ツイテ

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Abstract

Tough pitch copper strips were rolled successively to 85 pct in the direction of 45° and 70° respectively to the primary rolling direction after being rolled to 75 pct. The presence of sharp (200) maxima in the secondary rolling direction and the transverse direction is strongly suggestive of the formation of the deformed matrix with cube orientation on secondary rolling. While the (111) pole figure for the rolling texture of specimen rolled secondarily in the direction of 45° differed greatly from that of specimen rolled in the direction of 70°, the (200) pole figure for the annealing texture showed a sharp cube texture in both cases. On the basis of these results, it is clear that the origin of the cube texture will be difficult to explain in terms of the oriented growth theory but will be in accord excellently with the principle of the oriented nucleation theory in which the matrix grains with cube orientation are supposed to be first in attaining the strain-free condition on annealing.

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