Fig. 1. Schematic illustration of the substrate orientation

Fig. 2. Fusion results under different substrate orientations. (a) Substrate orientation is(001)/[100]; (b) substrate orientation is(101)/[101ˉ]

Fig. 3. Laser fusion result when the substrate orientation is (001)/[100]

Fig. 4. Schematic diagram of the substrate orientation obtained by the second rotation

Fig. 5. Principle of multi-channel laser cladding repair experiment

Fig. 6. Laser melting pool results obtained at a scanning speed of 5 mm/s. (a)ξ=0°; (b) ξ=15°; (c) ξ=30°; (d) ξ=45°

Fig. 7. Schematic diagram of the CET

Fig. 8. Melt pool distribution under different substrate orientations. (a) ξ=0°; (b) ξ=15°; (c) ξ=30°; (d) ξ=45°

Fig. 9. Cross-sectional view of the fused sample at ξ=45°

Fig. 10. Laser cladding experiment when the substrate orientation ξ=45°. (a) Experimental results; (b) EBSD test chart