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Volume 25 Issue 1
Jan.  2018
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文章导航 >  矿物冶金与材料学报（英文）  > 2018  >  25(1): 45-52
Yi Jing, Hong-mei Zhang, Hao Wu, Lian-jie Li, Hong-bin Jia, and Zheng-yi Jiang, Effects of microrolling parameters on the microstructure and deformation behavior of pure copper, Int. J. Miner. Metall. Mater., 25(2018), No. 1, pp. 45-52. https://doi.org/10.1007/s12613-018-1545-3
Cite this article as:
Yi Jing, Hong-mei Zhang, Hao Wu, Lian-jie Li, Hong-bin Jia, and Zheng-yi Jiang, Effects of microrolling parameters on the microstructure and deformation behavior of pure copper, Int. J. Miner. Metall. Mater., 25(2018), No. 1, pp. 45-52. https://doi.org/10.1007/s12613-018-1545-3
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研究论文

Effects of microrolling parameters on the microstructure and deformation behavior of pure copper

  • School of Material and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, China

  • School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Wollongong NSW 2522, Australia

  • An-steel Group, Da-Xing Plant, Anshan 114009, China

  • 通讯作者:

    Hong-mei Zhang    E-mail: lilyzhm68@163.com

  • Microrolling experiments and uniaxial tensile tests of pure copper under different annealing conditions were carried out in this paper. The effects of grain size and reduction on non-uniform deformation, edge cracking, and microstructure were studied. The experimental results showed that the side deformation became more non-uniform, resulting in substantial edge bulge, and the uneven spread increased with increasing grain size and reduction level. When the reduction level reached 80% and the grain size was 65 μm, slight edge cracks occurred. When the grain size was 200 μm, the edge cracks became wider and deeper. No edge cracks occurred when the grain size was 200 μm and the reduction level was less than 60%; edge cracks occurred when the reduction level was increased to 80%. As the reduction level increased, the grains were gradually elongated and appeared as a sheet-like structure along the rolling direction; a fine lamellar structure was obtained when the grain size was 20 μm and the reduction level was less than 60%.
    • Research Article

    Effects of microrolling parameters on the microstructure and deformation behavior of pure copper

    + Author Affiliations
      Abstract
    • Microrolling experiments and uniaxial tensile tests of pure copper under different annealing conditions were carried out in this paper. The effects of grain size and reduction on non-uniform deformation, edge cracking, and microstructure were studied. The experimental results showed that the side deformation became more non-uniform, resulting in substantial edge bulge, and the uneven spread increased with increasing grain size and reduction level. When the reduction level reached 80% and the grain size was 65 μm, slight edge cracks occurred. When the grain size was 200 μm, the edge cracks became wider and deeper. No edge cracks occurred when the grain size was 200 μm and the reduction level was less than 60%; edge cracks occurred when the reduction level was increased to 80%. As the reduction level increased, the grains were gradually elongated and appeared as a sheet-like structure along the rolling direction; a fine lamellar structure was obtained when the grain size was 20 μm and the reduction level was less than 60%.
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