石寅晖,李洁,刘坤,邹家生,余文明,Gizo Bokuchava

• 1:江苏科技大学材料科学与工程学院
• 2:中国船舶重工集团应急预警与救援装备股份有限公司
• 3:Frank Laboratory of Neutron Physics
• 4:Joint Institute for Nuclear Research

摘要(Abstract)：

电弧熔丝增材制造(WAAM)已成为装备制造领域的重要发展方向之一，通过电弧加热熔化金属丝材，可在预设路径上逐层叠加堆积完成三维实体金属构件的增材制造成形，具有效率高且成本低的优点，尤其适合大尺寸铝合金构件的一体化增材制造成形。但由于铝合金固有的冶金行为特征，电弧熔丝增材制造中易出现冶金缺陷，如气孔、裂纹等问题，较大程度限制了产品力学性能的进一步提升，也严重制约了铝合金电弧熔丝增材制造技术的高效高质量发展。本文主要综述了电弧熔丝增材制造铝合金的气孔、裂纹等冶金缺陷问题，总结了缺陷形成机理、影响因素和抑制措施等方面的研究进展，并对铝合金电弧熔丝增材制造技术的未来发展方向进行了展望。

关键词(KeyWords)： 铝合金;电弧熔丝增材制造;气孔;裂纹;冶金缺陷

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(52105351);; 科技部高端外国专家引进计划项目(G2022014036);; 中国博士后科学基金面上项目(2022M722928);; 江苏省自然科学基金(BK20210890,BK20210873);; 江苏省高等学校基础科学(自然科学)研究项目(21KJB460015)

作者(Author): 石寅晖,李洁,刘坤,邹家生,余文明,Gizo Bokuchava

DOI: 10.13289/j.issn.1009-6264.2022-0529

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