A high-strength Mg-Gd-Y-Zn-Mn magnesium alloy plasma arc additive manufacturing method

The plasma arc additive manufacturing method has solved the forming problem of high-strength Mg-Gd-Y-Zn-Mn magnesium alloy, realizing efficient and low-cost component preparation and improving the material's density and mechanical properties.

CN122274366APending Publication Date: 2026-06-26ZHONGBEI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHONGBEI UNIV
Filing Date
2026-04-24
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing technologies are difficult to effectively process high-strength Mg-Gd-Y-Zn-Mn magnesium alloys, resulting in problems such as uneven composition and cracking, low material utilization, and high production costs.

Method used

The plasma arc additive manufacturing method is adopted to prepare Mg-Gd-Y-Zn-Mn magnesium alloy wire. By utilizing the high energy density of the plasma arc and the dual gas path protection of the protective gas, unidirectional additive manufacturing within the layer and reciprocating additive manufacturing between the layers are achieved, heat input is controlled, oxide film is removed, and the forming quality of the component is ensured.

Benefits of technology

The efficient preparation of high-strength Mg-Gd-Y-Zn-Mn magnesium alloy components has been achieved, improving material utilization, reducing production costs, and ensuring the compactness and mechanical properties of the components.

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Abstract

This invention discloses a plasma arc additive manufacturing method for high-strength Mg-Gd-Y-Zn-Mn magnesium alloys, belonging to the field of additive manufacturing. The method includes the following steps: preparing Mg-Gd-Y-Zn-Mn magnesium alloy wire; simulating the deposition path according to the shape of the workpiece to be manufactured; placing the Mg-Gd-Y-Zn-Mn magnesium alloy wire in a wire feeding system for plasma arc additive forming to complete the fabrication. This invention proposes a plasma arc additive manufacturing method for high-strength Mg-Gd-Y-Zn-Mn magnesium alloys. Compared with traditional additive forming methods, the fabrication process defined in this invention features high efficiency, high energy density, and good material utilization, enabling the integrated manufacturing of large-size, complex components, improving the consistency and reliability of the overall structure, and reducing costs. This invention not only has a faster fabrication rate but also produces components with superior precision and product performance.
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