JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 36 Issue 4
September 2021
Article Contents
HONG Haoyang, DU Xiangyang and YAN Zhigang. Study on hot deformation behavior and hot processing map of 6063-T5 aluminum alloy[J]. Journal of Light Industry, 2021, 36(4): 86-96,104. doi: 10.12187/2021.04.011
Citation: HONG Haoyang, DU Xiangyang and YAN Zhigang. Study on hot deformation behavior and hot processing map of 6063-T5 aluminum alloy[J]. Journal of Light Industry, 2021, 36(4): 86-96,104. doi: 10.12187/2021.04.011 shu

Study on hot deformation behavior and hot processing map of 6063-T5 aluminum alloy

  • Received Date: 2020-12-03
  • The thermal simulation testing machine was used to conduct axisymmetric isothermal hot compression experiments on 6063-T5 aluminum alloy. The influence of thermal deformation parameters on the true flow stress was analyzed, and the adaptive coefficient Arrhenius constitutive model and dislocation density growth model were established.The influence of process parameters on the hot deformation behavior of 6063-T5 aluminum alloy was investigated by drawing the hot working diagram. The results showed that, with the increase of temperature, the true stress showed a step-down trend, and the softening effect of the material became more and more obvious. With the increase of strain rate, the true stress increased slowly, and the hardening effect became more and more obvious. The Arrhenius constitutive model which was constructed by using the determination coefficient as the evaluation criterion and the dislocation density growth model can accurately describe the influence of hot deformation parameters on the hot deformation behavior of 6063-T5 aluminum alloy. The hot processing map showed that the optimum deformation temperature and strain rate ranges for the 6063-T5 aluminum alloy were 350~525℃ and 0.01~1 s-1 respectively.
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