The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Real-time monitoring of laser powder bed fusion process using high-speed X-ray imaging and diffraction
Open accessAbstract
We employ the high-speed synchrotron hard X-ray imaging and diffraction techniques to monitor the laser powder bed fusion (LPBF) process of Ti-6Al-4V in situ and in real time. We demonstrate that many scientifically and technologically significant phenomena in LPBF, including melt pool dynamics, powder ejection, rapid solidification, and phase transformation, can be probed with unprecedented spatial and temporal resolutions. In particular, the keyhole pore formation is experimentally revealed with high spatial and temporal resolutions. The solidification rate is quantitatively measured, and the slowly decrease in solidification rate during the relatively steady state could be a manifestation of the recalescence phenomenon. The high-speed diffraction enables a reasonable estimation of the cooling rate and phase transformation rate, and the diffusionless transformation from β to α ’ phase is evident. The data present here will facilitate the understanding of dynamics and kinetics in metal LPBF process, and the experiment platform established will undoubtedly become a new paradigm for future research and development of metal additive manufacturing.
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Cites
Metal Additive Manufacturing: A Review
Frazier, W. E. (2014) · Journal of Materials Engineering and Performance · doi:10.1007/s11665-014-0958-z · Cited by 5,984
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Observation of keyhole-mode laser melting in laser powder-bed fusion additive manufacturing
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Cited by
Fluid and particle dynamics in laser powder bed fusion
Bidare, P., Bitharas, I., Ward, R. M., Attallah, M. M., & Moore, A. J. (2018) · Acta Materialia · doi:10.1016/j.actamat.2017.09.051 · Cited by 555
Sun, S.-H., Ishimoto, T., Hagihara, K., Tsutsumi, Y., Hanawa, T., & Nakano, T. (2019) · Scripta Materialia · doi:10.1016/j.scriptamat.2018.09.017 · Cited by 441
Guo, Q., Zhao, C., Escano, L. I., Young, Z., Xiong, L., Fezzaa, K., Everhart, W., Brown, B., Sun, T., & Chen, L. (2018) · Acta Materialia · doi:10.1016/j.actamat.2018.03.036 · Cited by 409
Self-citationScime, L., & Beuth, J. (2019) · Additive Manufacturing · doi:10.1016/j.addma.2018.11.010 · Cited by 369
Recent progress on additive manufacturing of multi-material structures with laser powder bed fusion
Wang, D., Liu, L., Deng, G., Deng, C., Bai, Y., Yang, Y., Wu, W., Chen, J., Liu, Y., Wang, Y., et al. (2022) · Virtual and Physical Prototyping · doi:10.1080/17452759.2022.2028343 · Cited by 363
Metadata
- Authors
- Zhao, C., Fezzaa, K., Cunningham, R. W., Wen, H., De Carlo, F., Chen, L., Rollett, A. D., & Sun, T.
- Venue
- Scientific Reports
- Published
- 2017-06-15
- Volume
- 7
- Issue
- 1
- Pages
- 3602-3602
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2622110699
- Cited by
- 758
- References
- 33
- FWCI
- 50.63
- Type
- journal article
- Language
- en
- Open access
- gold
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- Zhao, C., Fezzaa, K., Cunningham, R. W., Wen, H., De Carlo, F., Chen, L., Rollett, A. D., & Sun, T. (2017). Real-time monitoring of laser powder bed fusion process using high-speed X-ray imaging and diffraction. Scientific Reports. https://doi.org/10.1038/s41598-017-03761-2
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