04.1 - Aerospace Grade Materials, Structural Analysis, Fatigue and Damage Tolerance

EFFECT OF LASER PRINTING MODE ON SURFACE TOPOGRAPHY, MICROSTRUCTURE AND CORROSION PROPERTY OF ADDITIVE-MANUFACTURED NITI

X. Liu¹, D. Gu¹; ¹Nanjing University of Aeronautics and Astronautics, China

Considering the unique characterizations of LPBF process, the position and sequence of laser irradiation are different under different laser scanning modes, which will affect the properties of as-built samples, especially for heat-sensitive intelligent NiTi SMAs with high Ni content. Hence, based on the designed chessboard partitions, NiTi SMAs with high performance were successfully fabricated.

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