电弧增材制造由于其高沉积速率、高材料利用率、低成本以及具有制造大尺寸构件的能力而得到研究人员的广泛关注,有望广泛应用于镁合金的快速成形.本文概述了电弧增材制造用镁合金丝材的种类及其对丝材的要求,总结了现今适合于镁合金电弧增材制造用丝材的制备方法,重点论述了镁合金电弧增材制造工艺的制备技术、基本原理、微观组织及力学性能,讨论了不同电弧增材制造工艺制备不同镁合金的影响因素,分析了镁合金电弧增材制造目前可用丝材种类少以及增材制造构件形性尚不可控等问题,并且在优化电弧增材制造镁合金构件性能和推进应用方面进行了展望.
Wire arc additive manufacturing(WAAM)has received extensive attention from researchers due to its high deposition rate,high material utilization,low cost,and ability to manufacture large-scale components.It is expected to be widely used in rapid forming of magnesium alloys.The current types and requirements of wires used in WAAM of magnesium alloy were summarized.Then,the current preparation methods suitable for WAAM of magnesium alloy were introduced.The manufacturing technology,deposition mechanism,microstructure and mechanical property of various WAAM-processed magnesium alloys were discussed.Finally,the problems such as the few types of available wires and the uncontrollable shape and property of components for wire arc additive manufacturing of magnesium alloys were analyzed.The optimization of properties and application of components for wire arc additive manufacturing of magnesium alloys were forecasted.
刘宏杰;刘文才;孙家伟;王茜瑶;邝思羽;吴国华
上海交通大学 材料科学与工程学院 轻合金精密成型国家工程研究中心,上海 200240
镁合金;丝材制备;电弧增材制造;力学性能
magnesium alloy;wire preparation;wire arc additive manufacturing;mechanical property
《材料工程》 2024 (002)
16-30 / 15
国家自然科学基金(51771115,U2037601);洛阳市揭榜挂帅重大科技创新项目(2201029A);上海交通大学大学生创新实践计划(IPP24086)
10.11868/j.issn.1001-4381.2022.000380
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