期刊
MRS BULLETIN
卷 45, 期 11, 页码 927-933出版社
SPRINGER HEIDELBERG
DOI: 10.1557/mrs.2020.275
关键词
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资金
- National Science Foundation (NSF) [1752218, 1933368]
- NSF [2002840, 2011354]
- National Nuclear Security Administration [DE-NA0003915]
- DOE Office of Science by Argonne National Laboratory [DE-AC02-06CH11357]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1752218, 2002840, 1933368] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [2011354] Funding Source: National Science Foundation
Additive manufacturing (AM) comprises a group of transformative technologies that are likely to revolutionize manufacturing. In particular, laser-based metal AM techniques can not only fabricate parts with extreme complexity, but also provide innovative means for designing and processing new metallic systems. However, there are still several technical barriers that constrain metal AM. Overcoming these barriers requires a better understanding of the physics underlying the complex and dynamic laser-metal interaction at the heart of many AM processes. This article briefly describes the state of the art of in situ/operando synchrotron x-ray imaging and diffraction for studying metal AM, mostly the laser powder-bed fusion process. It highlights the immediate impact of operando synchrotron studies on the advancement of AM technologies, and presents future research challenges and opportunities.
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