WE43镁合金的均质化处理及本构模型建立

doi:10.13251/j.issn.0254-6051.2024.10.031

金属热处理 ›› 2024, Vol. 49 ›› Issue (10): 185-190.DOI: 10.13251/j.issn.0254-6051.2024.10.031

WE43镁合金的均质化处理及本构模型建立

段兴旺, 贾悦, 陈迎庆, 车鑫

太原科技大学材料科学与工程学院, 山西太原 030024

收稿日期:2024-05-13 修回日期:2024-08-23 出版日期:2024-11-28 发布日期:2024-11-28
作者简介:段兴旺(1973—),男,副教授,博士,主要研究方向为重大基础件制造理论与技术,E-mail: tykddxw@tyust.edu.cn
基金资助:
山西省基础研究计划(202103021223298,202203021211191)

Homogenization treatment and establishment of constitutive model for WE43 magnesium alloy

Duan Xingwang, Jia Yue, Chen Yingqing, Che Xin

School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan Shanxi 030024, China

Received:2024-05-13 Revised:2024-08-23 Online:2024-11-28 Published:2024-11-28

摘要/Abstract

摘要： 为了提高WE43镁合金塑性加工性能,对铸态WE43镁合金试样在不同温度(480、500、520、540 ℃)和保温时间(4、8、12、16 h)下进行均质化热处理。并采用金相和X射线衍射分析测试技术,分析均质化处理温度和时间对WE43镁合金组织的影响。结果表明,最佳均质化温度为520 ℃,保温时间为8 h。然后对均质化后的WE43镁合金在热模拟试验机上进行热压缩试验,试验温度为350~475 ℃,应变速率为0.001~1 s^-1,变形量为60%,获得了WE43镁合金的流变应力-应变曲线,基于流变应力-应变曲线,建立了WE43镁合金的本构模型。

关键词: WE43镁合金, 均质化, 热压缩, 本构模型

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

中图分类号:

TG156.21

段兴旺, 贾悦, 陈迎庆, 车鑫. WE43镁合金的均质化处理及本构模型建立[J]. 金属热处理, 2024, 49(10): 185-190.

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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WE43镁合金的均质化处理及本构模型建立

Homogenization treatment and establishment of constitutive model for WE43 magnesium alloy

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