期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 120, 期 -, 页码 227-252出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2021.10.056
关键词
Additive manufacturing; 18% Nickel maraging steel; Defects; Macrostructure; Microstructure; Mechanical properties
资金
- Natural Sciences and Engineer-ing Research Council (NSERC) of Canada
This paper reviews the latest research progress in additive manufacturing (AM) process of 18% nickel maraging steels, including L-PBF, L-DED, and WAAM. The emphasis is on the defects, structure, and mechanical properties of the additive manufactured 18% nickel maraging steels. The influences of processing parameters on defects formation, macrostructure, microstructure, and mechanical properties are outlined. The paper also provides future research directions for AM of 18% nickel maraging steel.
This paper reviews the latest research progress in the additive manufacturing (AM) process of 18% nickel maraging steels, which involves laser-based powder bed fusion (L-PBF), laser-based directed energy deposition (L-DED), and wire arc additive manufacturing (WAAM). The emphasis is on the defects, structure, and mechanical properties of the additive manufactured 18% nickel maraging steels. At first, this article outlines the influences of the processing parameters of AM techniques on the defects formed in the fabricated parts, in terms of the L-PBF and WAAM. The macrostructure and microstructure characteristics of as-built and heat-treated 18% nickel maraging steel are then described in detail. Later, the mechanical properties of as-built and heat-treated 18% nickel maraging steel are assessed, such as their tensile, hardness, impact toughness, and fatigue performances. Finally, future directions for work on the AM of 18% nickel maraging steel are provided. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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