Influence of Rolling Routes on Press Formability of a Rolled AZ31 Mg Alloy Sheet

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著者

    • Sassa Kensuke SASSA Kensuke
    • Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology
    • MABUCHI Mamoru
    • Department of Energy Science and Technology, Graduate School of Energy Science, Kyoto University

抄録

Microstructure, tensile properties and press formability of AZ31 Mg alloy sheets processed by unidirectional rolling, reverse rolling and cross rolling were investigated. The intensity in (0002) plane texture for the reverse-rolled and the cross-rolled specimens was lower than that for the unidirectional-rolled specimen. In addition, the Erichsen values of the formers were larger than those of the latter. The superior press formability for the formers could not be explained from the viewpoint of the elongation to failure, <I>n</I>-value, average <I>r</I>-value and planar anisotropy of the <I>r</I>-value, but it was related to a reduction in directional dependence of the thickness-direction strain and width-direction strain normalized by the tensile-direction strain (ε<I><SUB>t</SUB></I>⁄ε<I><SUB>L</SUB></I> and ε<I><SUB>w</SUB></I>⁄ε<I><SUB>L</SUB></I>). Therefore, it is suggested that the minor texture formation due to reverse rolling and cross rolling gives rise to the reduction in anisotropy of strain, resulting in the superior press formability for the reverse-rolled and cross-rolled specimens.

収録刊行物

  • Materials transactions  

    Materials transactions 47(10), 2555-2560, 2006-10-20 

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10018310393
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    8092229
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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