摘要
激光增材制造支持结构设计创新、快速研制和验证,是当前航空装备领域最具代表性的增材制造方法,其中激光选区熔化主要应用于复杂精密功能结构的精确近净成形制造,激光直接沉积主要用于大尺寸复杂承载结构的制造。为支撑航空领域增材制造技术发展的战略布局,本文对激光增材制造现状和发展趋势进行梳理,指出增材制造发展重点必然会转向产品的冶金质量、力学性能及其稳定性控制方面,增材制造设备的在线监测、参数自整定控制等智能化功能的研究开发正成为设备的研发热点,基于损伤失效分析、寿命预测研究的增材制件力学行为研究以及基于元件、特征结构的性能考核验证技术,开始引起工程应用部门的关注。在对技术发展趋势分析的基础上,提出2035年航空领域激光增材制造技术发展目标和相应的政策和环境支撑、保障需求,并给出2035年技术发展路线图建议。
As the most representative additive manufacturing method in the field of aviation equipment at present,the laser additive manufacturing supports the structure design innovation,rapid development and verification.Among them,selective laser melting is mainly used for precision near net shape manufacturing of complex precise functional structures,and laser direct metal deposition is mainly used for manufacturing large and complex load-bearing structures.In order to support the strategic layout of the development of additive manufacturing technology in the aviation field,this paper sorts the current situation and development trend of laser additive manufacturing,and points out that the focus of additive manufacturing development is bound to turn to the metallurgical quality,mechanical properties and their stability control of products.The research and development of intelligent functions such as online monitoring,parameter self-tuning control of additive manufacturing equipment are becoming a research hotspot.Either the research on mechanical behavior of additive parts based on damage failure analysis and life prediction or the performance evaluation and verification technology based on components and characteristic structures have begun to attract the attention of engineering application departments.Based on the analysis of the technology development trend,the development goal of laser additive manufacturing technology in the aviation field in 2035 and the corresponding policy and environmental support and guarantee needs are proposed,and the technical development roadmap in 2035 is put forward.In 2025-2035,the control technology of microstructure,property and deformation for additive manufacturing of ordinary metal,intermetallic compound,Nb-Si and ceramic based material is to be made a comprehensive breakthrough,the performance verification is to be basically completed,the functional assessment has been partially completed,and some products are to be entered mass production.Important load-bearing structures of airc
作者
王天元
黄帅
周标
郑涛
张国栋
郭绍庆
WANG Tianyuan;HUANG Shuai;ZHOU Biao;ZHENG Tao;ZHANG Guodong;GUO Shaoqing(AECC Beijing Institute of Aeronautical Materials,Beijing 100095,China;AECC Innovation Center of Additive Manufacturing Technology,Beijing 100095,China;Beijing Research Center of Advanced Welding Engineering Technology for Aeroengine,Beijing 100095,China)
出处
《航空材料学报》
CAS
CSCD
北大核心
2023年第1期1-17,共17页
Journal of Aeronautical Materials
关键词
激光增材制造
金属材料
飞机
航空发动机
发展路线图
laser additive manufacturing
metal materials
aircraft
aeroengine
development roadmap
