スピニング加工に伴うA1050圧延材の板厚方向における結晶方位分布の推移

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  • Evolution of crystal orientation distribution in thickness direction of spun A1050 disk

抄録

<p>This study clarified the evolution of crystal orientation distribution in thickness direction of spun A1050 disk using electron back scatter diffraction pattern analysis. This study defined texture-I, II, and III as follows. The texture-I was rotated 20° around <111> from the Cu texture. The texture II was rotated 5° around its <110> from the Cu texture. The texture III was rotated 10° around its <110> from the texture-I. When the blank disk had a sandwich-type layer structure in thickness direction: Cu-I-Cu, the analysis results indicated the following texture evolution. In early passes, the structure was Cu-I-Cu. In later passes, the structures at wall and in the vicinity of the edge of the workpiece were Cu-II-II and Cu-III-III, respectively. In middle passes, the structure had a complex-type of three structures. These results suggest that the crystal orientation changed in the approximately two thirds in thickness from mandrel side by conventional spinning.</p>

収録刊行物

  • 年次大会

    年次大会 2020 (0), J03113-, 2020

    一般社団法人 日本機械学会

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