Theoretical Consideration on the Anisotropy of Rolled Plates

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  • 圧延板の異方性に関する理論的考察
  • アツエンバン ノ イホウセイ ニ カンスル リロンテキ コウサツ

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Abstract

Anisotropy of the sheet caused by rolling is one of the important factors which should be considered in machine design as well as plastic working and its theoretical consideration has been given in some books such as R. Hill's "The Mathematical Theory of Plasticity". In Hill's method, however, the anisotropy is not given as the function of strain histories. Recently Prof. Yoshimura has proposed "The Strain History Theory of Plasticity" by which this functional relation can be successfully explained. Therefore, it is considered that the anisotropy of rolled plates can be satisfactory studied by this theory. In this paper the deformation caused by rolling is approximated by pure shear and the resulting anisotropy is analized by this theory.

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