Kuan Li, Tuo Shi, Shihong Shi, Geyan Fu, Mingyu Wang, Rongwei Zhang, Guang Liu. Laser Powder Feeding Additive Manufacturing of Ternary Blade with Abnormity Base Plane[J]. Chinese Journal of Lasers, 2022, 49(2): 0202019
- Chinese Journal of Lasers
- Vol. 49, Issue 2, 0202019 (2022)
Fig. 1. Principle of powder feeding in hollow ring laser
Fig. 2. Designed model. (a) Front view; (b) top view
Fig. 3. Model diagram of ternary blade
Fig. 4. Layered approach of ternary blade. (a) Slice along radial direction; (b) scanning direction; (c) segmentation in the scanning direction; (d) discrete unit; (e) blade leading edge part; (f) blade trailing edge part
Fig. 5. Formation process of forming trajectory of ternary blade. (a) Main surface; (b) blade leading edge part; (c) blade trailing edge part
Fig. 6. Forming process of ternary blade
Fig. 7. Ternary blade after forming. (a) Blade height; (b) blade thickness; (c) blade leading edge; (d) blade trailing edge
Fig. 8. Microhardness measurement. (a) Measurement positions; (b) microhardness at positions a, b, and c
Fig. 9. Three-dimensional topographies of both sides of ternary blade. (a) (c) (e) R side; (b) (d) (f) L side
Fig. 10. Microstructures of different positions of ternary blade. (a) Position a; (b) position b; (c) position c
Fig. 11. XRD patterns of Inconel 718 powder and the top of ternary blade
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Table 1. Chemical composition of Inconel 718 alloy powder
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Table 2. Average roughness value of both sides of ternary blade (Sa)
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