气体雾化制备金属粉末研究进展  

Research Progress in the Fabrication of Metal Powders by Gas Atomization

作　　者：马佳俊 高阳 张朔 荣智峥 魏通达 孙德建 Ma Jiajun;Gao Yang;Zhang Shuo;Rong Zhizheng;Wei Tongda;Sun Dejian(School of Materials Science and Engineering,Zhengzhou University of Aeronautics)

机构地区：[1]郑州航空工业管理学院材料科学与工程学院

出　　处：《特种铸造及有色合金》2023年第11期1463-1471,共9页Special Casting & Nonferrous Alloys

基　　金：河南省科技攻关资助项目(202102210037);研究生教育创新计划基金资助项目(2022CX69)。

摘　　要：气体雾化技术制备的金属粉末具有粒度小、球形度高、流动性好、氧含量低等特点,可满足增材制造、粉末冶金等场景的应用需求,是当下最重要的制粉方法之一。近年来,得益于计算流体力学数值模拟的应用,气体雾化技术进入了新的发展阶段。综述了气体雾化技术的发展历程及雾化机理,探讨了气体雾化工艺对粉末性能的影响、粉末缺陷的形成与控制、仿真模拟的研究进展等,以期为未来气体雾化技术的研究开发与技术进步提供参考。The metal powder fabricated by gas atomization is characterized by small particle size,high sphericity,well flowability and low oxygen content,which can meet the application needs of additive manufacturing,powder metallurgy and other scenarios and become one of the most important powder preparation methods at present.In recent years,benefiting from the application of computational fluid dynamics numerical simulation,gas atomization enters a new development stage.The development course and atomization mechanism of gas atomization were reviewed,and the influence of gas atomization process on powder performance,formation and control of powder defects and research progress in simulation was discussed,hoping to provide reference for the research,development and technical progress of gas atomization in the future.

关 键 词：气体雾化 增材制造 雾化机理 雾化参数 

分 类 号：TF123.1[冶金工程—粉末冶金] G353.11[冶金工程—冶金物理化学]