增材制造高熵合金的微观组织及其对力学性能的影响研究  

Study on Microstructure of High Entropy Alloy by Additive Manufacturing and Its Influence on Mechanical Properties

作　　者：张晓宇 黄家楷 慈世伟 阳颖飞 杨俊杰 李杰 任盼 李萍[5] 张鹏 王启伟 XiaoYu Zhang;Jiakai Huang;Shiwei Ci;Yingfei Yang;Junje Yang;Jie Li;Pan Ren;Ping Li;Peng Zhang;Qiwei Wang(Unit 93145 of the Chinese People's Liberation Army,Shanghai 200231,China;Institute of Advanced Wear&Corrosion Resistant and Functional Materials,Jinan University,Guangzhou 510632,China;Key Laboratory of Comprehensive Diagnosis and Maintenance of Aviation Equipment Anhui Provincial Joint Construction Discipline,Anhui 230000,China;State Owned Wuhu Machinery Factory,Wuhu 230091,China;The Third Affiliated Hospital of Sun Yat-sen University,Guangzhou 510630,China)

机构地区：[1]中国人民解放军第93145部队,上海200231 [2]暨南大学先进耐磨蚀及功能材料研究院,广东广州510632 [3]航空装备综合诊断与维护安徽省联合共建学科重点实验室,安徽合肥230000 [4]国营芜湖机械厂,安徽芜湖241007 [5]中山大学附属第三医院,广东广州510630

出　　处：《表面工程与再制造》2025年第1期33-35,36-52,共20页Surface Engineering & Remanufacturing

基　　金：芜湖市重大科技项目-装备零部件现场快速支援激光增材修复技术研发与应用(2021ZD08);广东省重点领域研发计划-激光与增材制造高性能梯度材料结构/功能一体化增材制造技术与装备(2023B0909020002);广东省自然科学基金-2023A1515011572。

摘　　要：高熵合金因其优异的耐磨性、耐蚀性、高比强度、高温蠕变性能,广泛应用于医疗、存储系统、运输、航空航天、核能和汽车工业等工程领域。增材制造方法因其多功能性和灵活性而备受关注,且其可以应对新的材料挑战,是一种适合开发新金属材料的技术。通过优化工艺参数,高熵合金和增材制造的结合使材料具备出色的力学性能、更好的耐磨性和耐蚀性。介绍了有关增材制造高熵合金的缺陷的形成原因及解决方法,随后讨论了微观结构方面、相形成、强化机制和由此产生的力学性能。最后,对增材制造高熵合金未来进行了展望,提出了未来可以努力的方向。High entropy alloys(HEAs)are widely used in engineering fields such as medical,storage systems,transportation,aerospace,nuclear energy and automotive industries due to their excellent wear resistance,corrosion resistance,high specific strength and high temperature creep properties.Additive manufacturing methods are gaining attention due to their versatility and flexibility to meet new material challenges.It is a suitable technique for developing new metallic materials.By optimizing process parameters,the combination of high-entropy alloys and additive manufacturing provides excellent mechanical properties,better wear resistance and corrosion behavior for materials.In this paper,the causes and solutions of defects related to additive manufacturing of high entropy alloys are introduced.Then,the microstructure,phase formation,strengthening mechanism and the resulting mechanical properties are discussed.Finally,the future of additive manufacturing of high entropy alloy is prospected,and the direction of future efforts is put forward.

关 键 词：高熵合金 增材制造 微观组织 力学性能 

分 类 号：TH174.4[机械工程—机械制造及自动化]