Materials Research (Mar 2020)

The Effect of Electropulsing Treatment on Properties of Pre-compressed AZ31 Magnesium Alloy

  • Xing-xiao Zhu,
  • Xue-wen Zhang,
  • Li-fei Wang,
  • Zhi-qing Chen,
  • Xiao-qing Cao

DOI
https://doi.org/10.1590/1980-5373-mr-2019-0434
Journal volume & issue
Vol. 22, no. 6

Abstract

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The effect of electropulsing treatment (EPT) on quasi-static compression behavior and anisotropy of AZ31 Mg alloy were investigated based on quasi-static compression test. The results show that the orientation of the sample has a significant effect on the deformation mechanism of metal and this mechanism can be changed by pre-deformation and EPT. However, the strain rate sensitivity of the material is not affected by pre-deformation. Compared with the as-received plates, the anisotropy of AZ31 Mg alloy increased in ND-RD plane after pre-compression along the transverse direction, the ∆YS of specimens increased from 87 MPa to 98 MPa. After EPT, the anisotropy of AZ31 Mg alloy gradually decreased with the change of EPT temperature and EPT time, the ∆YS of the sample reached 14.2 MPa when EPT conducted at 200 ℃ for 15 min, which decreased 72.8 MPa compared with the as-received plates.

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