Fig. 1. Schematic of low power laser induced MIG arc additive process

Fig. 2. Single layer stripe covering deposition mode

Fig. 3. Schematics of two different deposition paths. (a) Unidirectional linear deposition; (b) crisscross deposition

Fig. 4. Schematic of tensile sampling

Fig. 5. Macroscopic cross-sectional fusion morphologies under different deposition paths. (a) Unidirectional linear deposition; (b) crisscross deposition

Fig. 6. Microstructures at different positions under unidirectional linear deposition. (a) Bottom; (b) middle; (c) top

Fig. 7. Microstructures at different positions under crisscross deposition. (a) Bottom; (b) middle; (c) top

Fig. 8. Microstructures of transition zone under different deposition paths. (a)(b) Unidirectional linear deposition; (c)(d) crisscross deposition

Fig. 9. EDS results of sedimentary layer. (a) Microstructure under high magnification; (b) EDS result at point 1; (c) EDS result at point 2

Fig. 10. SEM images under different deposition paths. (a)(b) Unidirectional linear deposition; (c)(d) crisscross deposition

Fig. 11. Cloud maps of hardness distributions under different deposition paths. (a)(b) Unidirectional linear deposition; (c)(d) crisscross deposition

Fig. 12. Tensile property

Fig. 13. SEM images of fractures for tensile test specimens under different deposition paths. (a) Unidirectional linear deposition; (b) crisscross deposition