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Study on forming defects in the rolling process of large aluminum alloy ring via adaptive controlled simulation

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Abstract

According to the distribution characteristics of equivalent plastic strain (PEEQ) in radial–axial ring rolling, the plastic deformation zones in cross section were established. A 3D rigid-viscoplastic finite element model (FEM) which was controlled adaptively was applied to investigate defects that occurred during ring rolling under ABAQUS software. PEEQ, stress, and temperature distributions in different deformation zones have been analyzed in this study. Strain peaks were found in the cross-section corners. Moreover, it was investigated that non-uniform strain, stress, and temperature distributions in the ring tend to cause non-uniform microstructure and properties. Therefore, forming defects and microstructure damage would appear in cross-section corners due to the high-strain deformation. Based on the new developed FEM of the radial–axial ring-rolling process and comprehensive numerical simulations, the size effects of feed rate and lubrication conditions on strain and temperature distributions and their uniformity were investigated by 3D coupled thermomechanical FE simulation. The results have good agreement with experiment. The achievements of this study can provide basis for quality control and technical guidance.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Chongqing University, ChongQing, 400044, China

    Jie Zhou, Feng-lin Wang, Meng-han Wang & Wu-jiao Xu

Authors
  1. Jie Zhou
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  2. Feng-lin Wang
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  3. Meng-han Wang
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  4. Wu-jiao Xu
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Correspondence to Feng-lin Wang.

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Zhou, J., Wang, Fl., Wang, Mh. et al. Study on forming defects in the rolling process of large aluminum alloy ring via adaptive controlled simulation. Int J Adv Manuf Technol 55, 95–106 (2011). https://doi.org/10.1007/s00170-010-3023-6

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  • DOI: https://doi.org/10.1007/s00170-010-3023-6

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