A Review on Factors Influencing Solidification Cracking of Magnesium Alloys During Welding

IF 3.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Metals and Materials International Pub Date : 2024-02-06 DOI:10.1007/s12540-023-01616-2

Kun Liu, Hao Wang, Jie Li, Shaoning Geng, Zhiwei Chen, Artem Okulov

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Abstract

Magnesium alloys, which are the lightest structural alloys and have a density that is around one-fourth that of steel, present tremendous potential for increasing the energy efficiency of the automobile and aerospace industries. Research on welding magnesium alloys has also increased rapidly as can be seen from journal publications. However, during the welding process, magnesium alloys are highly susceptible to solidification cracking, which prevents their usage in safety–critical applications. The article summarizes and reviews the research progress on solidification cracking of magnesium alloys during welding. The metallurgical and mechanical factors influencing solidification cracking of magnesium alloys are the primary areas of focus in this work. Models and methods for predicting solidification cracking susceptibility of magnesium alloys during welding was developed. More interesting findings on the liquid backfilling to heal cracks and effect of weld pool on solidification cracking were pointed out. The remedies to reduce solidification cracking during welding magnesium alloys were also reviewed so as to achieve high-quality welding and widen the application of magnesium alloys.

Graphical Abstract

Abstract Image

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镁合金在焊接过程中产生凝固裂纹的影响因素综述

镁合金是最轻的结构合金，其密度约为钢的四分之一，在提高汽车和航空航天工业的能源效率方面具有巨大潜力。从期刊出版物中可以看出，有关镁合金焊接的研究也在迅速增加。然而，在焊接过程中，镁合金极易产生凝固裂纹，这使其无法用于安全要求极高的应用领域。本文总结并回顾了焊接过程中镁合金凝固裂纹的研究进展。影响镁合金凝固裂纹的冶金和机械因素是这项工作的主要关注领域。研究还开发了预测镁合金在焊接过程中凝固裂纹敏感性的模型和方法。还指出了关于液体回填愈合裂纹和焊接熔池对凝固裂纹影响的更多有趣发现。此外，还综述了减少镁合金焊接过程中凝固裂纹的补救措施，以实现高质量焊接并扩大镁合金的应用范围。

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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.