Fig. 1. (a) Two-dimensional and (b) three-dimensional diagrams of designed model

Fig. 2. Coupling of laser and powder

Fig. 3. Laser closing point

Fig. 4. Thin wall. (a) Thin wall after collapse; (b) thin wall after AutoCAD introduction

Fig. 5. Cross section of single cladding track. (a) Profile of cross section; (b) fitting curve of cross section

Fig. 6. Laser closing point after laser loading

Fig. 7. Thin wall after laser loading

Fig. 8. Height of single cladding track versus defocusing

Fig. 9. Model structure. (a) Arc-shaped structure 1; (b) fan-shaped structure; (c) arc-shaped structure 2

Fig. 10. Arc-shaped structure

Fig. 11. Cladding and scanning of arc-shaped structural parts. (a) Variable-attitude cladding; (b) circular scanning

Fig. 12. Cladding and scanning of fan-shaped structural parts. (a) Variable-attitude cladding; (b) radial scanning

Fig. 13. Forming process. (a) Laser cladding; (b) adjusting attitude

Fig. 14. Formed part. (a) Front view; (b) side view

Fig. 15. Test positions

Fig. 16. Thickness of formed part versus angle

Fig. 17. Microhardness of formed part versus angle

Fig. 18. Microstructures of formed parts. (a) Location A; (b) location B; (c) location C