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• Rescanning strategies with different laser power have been employed for Hastelloy X.

• Mechanical and microstructural characterizations have been performed.

• Ductility is improved for moderate laser power during second laser scan.

• Thermal history and microstructure are modified by the second laser scan.

Source : Influence of a rescanning strategy with different laser powers on the microstructure and mechanical properties of Hastelloy X elaborated by powder bed fusion – ScienceDirect