Publications

Sub-millisecond keyhole pore detection in laser powder bed fusion using sound and light sensors and machine learning

Materials Futures, 3, (2024) 045001 (*equal contribution)

An operando synchrotron study on the effect of wire melting state on solidification microstructures of Inconel 718 in wire-laser directed energy deposition

International Journal of Machine Tools and Manufacture, 194, (2024) 104089

Tailoring material microstructure and property in wire-laser directed energy deposition through a wiggle deposition strategy

Additive Manufacturing, 77, (2023) 103801

Machine learning–aided real-time detection of keyhole pore generation in laser powder bed fusion

Zhongshu Ren, Lin Gao, Samuel J Clark, Kamel Fezzaa, Pavel Shevchenko, Ann Choi, Wes Everhart, Anthony D Rollett, Lianyi Chen, Tao Sun

Science, 379, (2023) 89

Critical instability at moving keyhole tip generates porosity in laser melting

Cang Zhao, Niranjan D Parab, Xuxiao Li, Kamel Fezzaa, Wenda Tan, Anthony D Rollett, Tao Sun

Science, 370, (2020) 1080

Keyhole Threshold and Morphology in Laser Melting Revealed by Ultrahigh-Speed X-ray Imaging

R. Cunningham*, C. Zhao*, N. Parab, K. Fezzaa, T. Sun, A. Rollett

Science, 363, (2019) 849 (*equal contribution)

Bulk explosion induced metal spattering during laser processing

C. Zhao, Q. Guo, X. Li, N. Parab, K. Fezzaa, W. Tan, L. Chen, T. Sun

Physical Review X, 9, (2019) 021052

Ultrafast X-ray Imaging of Laser Metal Additive Manufacturing Processes

N. Parab*, C. Zhao*, R. Cunningham, L. Escano, K. Fezzaa, W. Everhart, A. Rollett, L. Chen, T. Sun 

Journal of Synchrotron Radiation, 25, (2018) 1467 (*equal contribution)

Real-time monitoring of laser powder bed fusion process using high-speed X-ray imaging and diffraction

Scientific Reports, 7, (2017) 3602