Research progress on 3D printing of pure copper and copper alloys
WU Yiyou1, DING Rou1, CHEN Chao1,2, LI Ruidi1, ZHOU Kechao1,2
1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China; 2. Shenzhen Research Institute, Central South University, Shenzhen 518057, China
Abstract：Pure copper and copper alloys attract more and more attention due to their outstanding properties such as excellent electrical and thermal conductivities, ductility and high corrosion resistance. In this work, the research progress on the process characteristics, mircostructure evolution and mechanical properties of 3D printing pure copper and copper alloys in recent years were mainly summarized. The results show that the major challenge of pure copper and copper alloys fabricated by laser selective melting and laser melting deposition is to reduce the high reflectivity to the laser which can improve the density of the parts, manupulate the microstructure and obtain excellent mechanical properties. Process parameter optimization of selective electron beam melting and binder jetting need to be addressed due to the lower density and greater shrinkage of parts respectively, although it can overcome the problems caused by higher laser reflectivity of pure copper and copper alloys. Besides, this work introduced the application prospects about 3D printing of pure copper and copper alloys. Finaly, the progress on 3D printing of pure copper and copper alloys were also summarized and prospected.
吴谊友, 丁柔, 陈超, 李瑞迪, 周科朝. 3D打印铜及铜合金的研究进展[J]. 粉末冶金材料科学与工程, 2022, 27(2): 121-128.
WU Yiyou, DING Rou, CHEN Chao, LI Ruidi, ZHOU Kechao. Research progress on 3D printing of pure copper and copper alloys. Materials Science and Engineering of Powder Metallurgy, 2022, 27(2): 121-128.
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2022, Vol. 27 
