期刊
PROGRESS IN MATERIALS SCIENCE
卷 92, 期 -, 页码 112-224出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pmatsci.2017.10.001
关键词
Additive manufacturing; 3D printing; Powder bed fusion; Directed energy deposition; Laser deposition; Printability
资金
- U.S. Department of Energy NEUP [DE-NE0008280]
- American Welding Society [179466]
- U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
- National Science Foundation [CMMI-1402978]
- U.S. Office of Naval Research [N00014-14-1-0688]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1402978] Funding Source: National Science Foundation
Since its inception, significant progress has been made in understanding additive manufacturing (AM) processes and the structure and properties of the fabricated metallic components. Because the field is rapidly evolving, a periodic critical assessment of our understanding is useful and this paper seeks to address this need. It covers the emerging research on AM of metallic materials and provides a comprehensive overview of the physical processes and the underlying science of metallurgical structure and properties of the deposited parts. The uniqueness of this review includes substantive discussions on refractory alloys, precious metals and compositionally graded alloys, a succinct comparison of AM with welding and a critical examination of the printability of various engineering alloys based on experiments and theory. An assessment of the status of the field, the gaps in the scientific understanding and the research needs for the expansion of AM of metallic components are provided. (C) 2017 Elsevier Ltd. All rights reserved.
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