增材再制造关键技术

The Key Technologies of Additive Remanufacturing

增材再制造技术是涉及光、机电、材料及检测等多门学科的综合技术,多应用在零部件的表面修复及改性中.本文基于增材再制造技术原理以及应用现状,总结了不同热源、不同能场下的增材再制造成形技术,并重点分析以激光束、电子束、等离子电弧作为热源的增材再制造技术特点,以及在熔覆中加入超声振动、感应加热、电磁等能场对成形组织的影响,最后展望了增材再制造技术未来的发展趋势.

Additive remanufacturing technology is a comprehensive technology involving many disciplines,such as light,mechanical and electrical,materials and testing,which is mostly used in surface repair and modification of parts.Based on the principle and application status of additive remanufacturing technology,this paper summarizes the forming quality of additive remanufacturing under different heat sources and different energy fields,and focuses on the analysis of the characteristics of additive remanufacturing technology with laser beam,electron beam and plasma arc as heat sources,as well as the influence of ultrasonic vibration,induction heating and electromagnetic energy fields on the forming structure.Finally,The future development trend of additive remanufacturing technology is prospected.