Deng Zhiqiang, Shi Shihong, Zhou Bin, Fu Geyan, Wang Cong. Laser Cladding Forming of Unequal-Height Curved Arc-Shaped Thin-Wall Structures[J]. Chinese Journal of Lasers, 2017, 44(9): 902005
- Chinese Journal of Lasers
- Vol. 44, Issue 9, 902005 (2017)
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
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Table 1. Chemical compositions of Fe313 alloy powder (mass fraction, %)
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Table 2. Features of single cladding track
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