Jin-chang GUO, Yu SHI, Yu-fen GU, Gang ZHANG. Study of Spectral Emissions Characterization and Plasma During Fiber Laser Gas Nitriding of Titanium Alloy[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 961
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 3, 961 (2022)
Fig. 1. Experimental system
Fig. 2. Emission spectrum region
Fig. 3. The result of spectral diagnosis
Fig. 4. Effect of power on emission spectrum
Fig. 5. Emission spectrum region
(a): 2.0 kW; (b): 2.5 kW
(a): 2.0 kW; (b): 2.5 kW
Fig. 6. Effect of defocus distance on emission spectrum
Fig. 7. Effect of scanning speed on emission spectrum
Fig. 8. The surface of nitride layer
Fig. 9. Cross section of nitride layer
Fig. 10. Depth of nitride layer and heat effected zone
Fig. 11. Effect of nitrogen argon ratio on emission spectrum
Fig. 12. Effect of nitrogen argon ratio on emission spectrum
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Table 1. Chemical component of Ti-6Al-4V
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Table 2. Process parameters
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