A Review on Wire Arc Additive Manufacturing of Magnesium Alloys: Wire Preparation, Defects and Properties

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

Metals and Materials International Pub Date : 2024-07-04 DOI:10.1007/s12540-024-01724-7

Yi Li, Siqi Yin, Guangzong Zhang, Changfeng Wang, Xiao Liu, Renguo Guan

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Abstract

Wire arc additive manufacturing (WAAM) is widely used in the rapid prototyping of large parts because of its high deposition rate, high material utilization rate as well as low cost. However, the manufacturing process of magnesium alloy wires is relatively difficult, and the defects and performance of parts are difficult to control. This paper reviews the preparation process of magnesium alloy wires, which aims to achieve surface control and performance optimization of wires. Due to the quality of wires and the high processing temperature, the defects often occur in the deposition process. The common defects of magnesium alloy parts by WAAM are discussed and solutions are given to minimize it. The research advances in microstructure, mechanical properties, damping properties and corrosion properties are summarized. WAAM has performance advantages compared to casting, but the microstructure is inhomogeneous and the properties are anisotropic. Several quality improvement strategies are reported to improve properties and reduce defects. The effectiveness and applicability of these strategies are discussed, and the future prospects of WAAM for magnesium alloys are proposed. The preparation of high-performance wires, the formation mechanism of defects and microstructure are three keys for future improvement of WAAM for magnesium alloy.

Graphical Abstract

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镁合金线弧增材制造综述：线材制备、缺陷和性能

线弧增材制造（WAAM）因其高沉积率、高材料利用率和低成本而被广泛应用于大型零件的快速成型。然而，镁合金线的制造工艺相对困难，零件的缺陷和性能难以控制。本文综述了镁合金线材的制备工艺，旨在实现线材的表面控制和性能优化。由于线材的质量和加工温度较高，在沉积过程中经常会出现缺陷。本文讨论了采用 WAAM 工艺制备镁合金零件的常见缺陷，并给出了尽量减少缺陷的解决方案。总结了微观结构、机械性能、阻尼性能和腐蚀性能方面的研究进展。与铸造相比，WAAM 具有性能优势，但微观结构不均匀，性能各向异性。报告介绍了几种质量改进策略，以提高性能和减少缺陷。讨论了这些策略的有效性和适用性，并提出了镁合金 WAAM 的未来前景。高性能线材的制备、缺陷的形成机制和微观结构是未来改进镁合金 WAAM 的三个关键。

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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.

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