期刊
CIRP ANNALS-MANUFACTURING TECHNOLOGY
卷 67, 期 1, 页码 245-248出版社
ELSEVIER
DOI: 10.1016/j.cirp.2018.04.096
关键词
3D printing; Selective laser melting; Multiple materials
资金
- University of Manchester Ph.D. scholarships
Selective laser melting (SLM) is a powder bed layer-by-layer fusion technique mainly applied for additive manufacturing of 3D metallic components of complex geometry. However, the technology is currently limited to printing a single material across each layer. In many applications such as the manufacture of certain aero engine components, conformably cooled dies, medical implants and functional gradient structures, printing of multiple materials are desirable. This paper reports an investigation into the 3D printing of multiple metallic materials including 316L stainless steel, ln718 nickel alloy and Cu10Sn copper alloy within a single build-up process using a specially designed multiple material SLM system combining powder-bed with point by point powder dispensing and selective material removal, for the first time. Material delivery system design, multiple material interactions, and component characteristics are described and the associated mechanisms are discussed. (C) 2018 Published by Elsevier Ltd on behalf of CIRP.
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