车倩颖,李会霞,贺卫卫,朱纪磊,陈睿,程康康,金园园,王宇. TiAl 合金粉床电子束选区熔化成形研究进展[J]. 航空制造技术, 2021, 64(3): 52-60/67.
CHE Qianying,LI Huixia,HE Weiwei, ZHU Jilei, CHEN Rui,CHENG Kangkang,JIN Yuanyuan,WANG Yu. Research Progress in TiAl Alloys Prepared by Powder Selective Electron Beam Melting. 航空制造技术, 2021, 64(3): 52-60/67.
CHE Qianying,LI Huixia,HE Weiwei, ZHU Jilei, CHEN Rui,CHENG Kangkang,JIN Yuanyuan,WANG Yu. Research Progress in TiAl Alloys Prepared by Powder Selective Electron Beam Melting. 航空制造技术, 2021, 64(3): 52-60/67. DOI: 10.16080/j.issn1671-833x.2021.03.052.
粉床电子束选区熔化成形是增材制造脆性 TiAl 合金复杂构件的理想技术。从原料粉末、致密化、化学成分、微观组织、凝固及相变、后处理、力学性能、成形精度与表面粗糙度等几个方面综述了粉床电子束选区熔化成形 TiAl 合金的研究现状,对目前存在的问题及应对措施进行了评述,并对其未来研究方向进行了展望。
Abstract
Powder selective electron beam melting is an ideal additive manufacturing technology for the fabrication of brittle TiAl alloy complex components. In this paper
the research progress in TiAl alloys prepared by selective electron beam melting are reviewed from the aspects of raw material powder
densification
chemical composition
microstructure
solidification and phase change
post-processing
mechanical performance
forming accuracy and surface roughness. The problems existing in the research and the corresponding measures are remarked
and the future development strategies are prospected.