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李纯,张玮,周昱昭,杨晓珊,李晋锋,刘学,乐国敏.增材制造W-Ni-Fe系高比重合金的研究进展[J].稀有金属材料与工程(英文),2021,50(8):3011~3019.[Li Chun,Zhang Wei,Zhou Yuzhao,Yang Xiaoshan,Li Jinfeng,Liu Xue and Le Guomin.Research progress of additive manufacturing of W-Ni-Fe heavy alloys[J].Rare Metal Materials and Engineering,2021,50(8):3011~3019.]
Research progress of additive manufacturing of W-Ni-Fe heavy alloys
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Received:August 24, 2020  
DOI:
Key words: additive manufacturing, W-Ni-Fe heavy alloys, laser, electron beam, binder jet
Foundation item:国家自然科学基金项目(面上项目,重点项目,重大项目),科学挑战专题,北京市教委科技创新服务能力建设一般项目
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Li Chun,Zhang Wei,Zhou Yuzhao,Yang Xiaoshan,Li Jinfeng,Liu Xue and Le Guomin  
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Abstract:
      Metal additive manufacturing technology is an advanced manufacturing technology developed from the early 1990s, which can realize the non-die, fast, fully dense near-net forming of complex high-performance structural metal parts. W-Ni-Fe heavy alloys are widely used in defense industry and national economy due to their properties of high density, high strength and high plasticity. In recent years, the additive manufacturing of W-Ni-Fe heavy alloys has attracted extensive attention. This paper summarizes the research progress of additive manufacturing of W-Ni-Fe heavy alloys from domestic and foreign research institutions, which use selective laser melting (SLM), laser melting deposition (LMD), electron beam selective melting (EBSM) and binder jet printing (BJP) to prepare W-Ni-Fe heavy alloys. The forming process, microstructure and mechanical properties of the additive manufactured parts are analyzed. The research trends are finally speculated.