The Effects of Loading Directions on Mechanical Behaviors and Dynamic Recrystallization of AZ31 Magnesium Alloys

IF 4.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Metals and Materials International Pub Date : 2026-04-10 DOI:10.1007/s12540-025-02158-5

Jiangxia Tian, Lifei Wang, Shi Qiu, Xiaoli Ruan, Bin Xing, Xingwei Fu, Ruidi Li, Kunkun Deng, Zhiyong You, Liuwei Zheng, Hongxia Wang, Jiahu Yang, Kwang Seon Shin

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引用次数: 0

Abstract

To examine the effects of different loading directions on mechanical behaviors and dynamic recrystallization of AZ31 magnesium alloy. Uniaxial hot compression experiments were conducted on the original AZ31Mg alloy at 0°, 15°, 30°, 45°, 60°, 75°, and 90° directions on the ND–RD plane. The results show that the sample compressed in the RD direction has a higher degree of dynamic recrystallization, and tensile twins promote the dynamic recrystallization behavior during the hot compression process. There are very few residual twins in the deformed samples. The compression behavior of samples with different orientations on the ND–RD plane shows anisotropy. The yield strength of the samples decreases first and then increases with the increase of the angle. The mechanical behavior of samples with different orientations shows anisotropy. The dynamic recrystallization mechanism of the samples is not affected by the spatial orientation. The dynamic recrystallization mechanism of the 0°, 45°, and 90° samples is all continuous dynamic recrystallization.

Graphical Abstract

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加载方向对AZ31镁合金力学行为和动态再结晶的影响

研究不同加载方向对AZ31镁合金力学行为和动态再结晶的影响。对原AZ31Mg合金在ND-RD平面0°、15°、30°、45°、60°、75°和90°方向进行单轴热压缩实验。结果表明：RD方向压缩试样具有较高的动态再结晶程度，拉伸孪晶促进了热压缩过程中的动态再结晶行为；变形试样中残余孪晶很少。不同取向试样在ND-RD平面上的压缩行为表现出各向异性。随着倾角的增大，试样的屈服强度先减小后增大。不同取向试样的力学行为表现出各向异性。样品的动态再结晶机制不受空间取向的影响。0°、45°和90°试样的动态再结晶机制均为连续动态再结晶。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Metals and Materials International 工程技术-材料科学：综合

CiteScore

7.10

自引率

8.60%

发文量

197

审稿时长

3.7 months

期刊介绍： Metals and Materials International publishes original papers and occasional critical reviews on all aspects of research and technology in materials engineering: physical metallurgy, materials science, and processing of metals and other materials. Emphasis is placed on those aspects of the science of materials that are concerned with the relationships among the processing, structure and properties (mechanical, chemical, electrical, electrochemical, magnetic and optical) of materials. Aspects of processing include the melting, casting, and fabrication with the thermodynamics, kinetics and modeling.