Homogenization treatment and establishment of constitutive model for WE43 magnesium alloy

doi:10.13251/j.issn.0254-6051.2024.10.031

Abstract

Abstract: To enhance the plastic processing performance of WE43 magnesium alloy, the as-cast specimens were homogenized at temperature ranging from 480 ℃ to 540 ℃ and holding time of 4, 8, 12 and 16 h, respectively. The effects of the homogenizing temperature and time on the microstructure of the WE43 magnesium alloy were investigated by using metallographic and X-ray diffraction analysis testing techniques. The results show that the optimal homogenizing temperature is 520 ℃ and the holding time is 8 h. Then hot compression test was carried out on the homogenized WE43 magnesium alloy by using a thermal simulation testing machine with deformation temperatures of 350-475 ℃, strain rates of 0.001-1 s^-1 and deformation of 60%, the flow stress-strain curves of the tested alloy are obtained, based on which the constitutive model for WE43 magnesium alloy is established.

Key words: WE43 magnesium alloy, homogenization, hot compression, constitutive model

CLC Number:

TG156.21

Duan Xingwang, Jia Yue, Chen Yingqing, Che Xin. Homogenization treatment and establishment of constitutive model for WE43 magnesium alloy[J]. Heat Treatment of Metals, 2024, 49(10): 185-190.

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