Journal
JOURNAL OF MAGNESIUM AND ALLOYS
Volume 8, Issue 2, Pages 396-413Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.jma.2019.08.003
Keywords
Solidification; Synchrotron radiation; Dendritic growth; External field
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Funding
- National Natural Science Foundation-Youth Science Foundation Project [51901208, 51771113]
- Henan University Key Scientific Research Project [20B430020]
- Key scientific and technological projects in Henan Province [202102210016, 202102210272]
- Zhengzhou University of Light Technology Doctoral Research Initiation Fund [JDG20190098]
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The synchrotron radiation technology has recently emerged as a powerful tool to characterize the real-time microstructure evolution during solidification of alloys. Compared with other methods, the synchrotron radiation technology, along with its unique advantages of strong brightness, high energy, excellent resolution, and good monochromaticity, allows for capturing the dendrite evolution behavior of alloys in real time and can be dynamically coordinated with high-resolution CCD (Charge-coupled Device) imaging systems. This paper briefly reviews the recent advances in developing synchrotron radiation for solidification of alloys with low, medium, and high melting points, and under the external electric, magnetic, and ultrasonic fields. Furthermore, a series of microstructural features and behaviors such as dendrite morphology, growth orientation, dendrite fracture, and rotation are described in detail. Finally, the development trends and application prospects of synchrotron radiation technology in alloy solidification are forecasted. (C) 2020 Published by Elsevier B.V. on behalf of Chongqing University.
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