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| The mesomechanical analysis of the deformation of copper with continuous columnar crystals |
| ZOU Fenglei; GAO Kewei; ZHU Qifang; XIEJianxin |
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Cite this article:
ZOU Fenglei; GAO Kewei; ZHU Qifang; XIEJianxin. The mesomechanical analysis of the deformation of copper with continuous columnar crystals. Acta Metall Sin, 2008, 44(3): 297-301 .
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Abstract The pure copper bar with continuous columnar crystals, which had excellent plastic workability and conductivity, was fabricated by continuous unidirectional solidification process with vacuum melting and argon protecting. This paper investigates the copper bar’s plastic deformation behavior through mesomechanical analysis with the device developed by General Research Institute for Nonferrous Metals. It was found that during the deformation, different crystals had different slip systems because of different crystal orientation, and the nucleation of a sub-grain was observed. Grain boundary played an important role in the deformation, which is the reason for excellent plastic workability.
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Received: 03 July 2007
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