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Table 1

Experimental conditions of laser cladding process.

Laser cladding parameters Parameter value
Specific heat input 60−2
Powder flow rate 20 g · min−1
Feeding gas 5 L · min−1
Shielding gas 5 L · min−1
Defocus distance 15 mm
Laser scanning speed (ν [mm.s−1]) Laser beam spot sizes (D [mm]) Laser interaction time (R[s])
7.45 2.2361 0.3
5.766 2.8867 0.5
4.883 3.4156 0.7
4.3 3.8729 0.9
3.9 4.2817 1.1

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