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Marangoni Convection Shifting, Heat Accumulation and Microstructure Evolution of Laser Directed Energy Deposition

Donghua Dai^1,2,*, Yanze Li^1,2, Dongdong Gu^1,2,*, Wentai Zhao^1,2, Yuhang Long^1,2

1 College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics (NUAA), Yudao Street 29, Nanjing, 210016, China
2 Jiangsu Provincial Research Center for Laser Additive Manufacturing of High-Performance Components, Yudao Street 29, Nanjing, 210016, China

* Corresponding Authors: Donghua Dai; Dongdong Gu. Email: ;