Spectroscopy and Spectral Analysis, Volume. 40, Issue 11, 3404(2020)
Study on Plasma Temperature and Electron Density During Arc Initiation by Underwater Wet Welding
Figures & Tables(12)
Fig. 1. Underwater wet welding arc spectroscopy diagnostic platform
Fig. 5. Arcing 5 ms arc spectral temperature fitting straight line
Fig. 7. Shows the trend of electron density change at different times of arcing
Table 1. Welding parameters table
View tableView in ArticleTable 1. Welding parameters table
水深/
m电压/
V电流/
A送丝速度/
(mm·min-1)焊接速度/
(mm·s-1)0.3 40 280 200 5
Table 2. Line identification results
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元素 识别谱线/nm 观测谱线/nm Fe Ⅰ 357.33 357.42 Fe Ⅰ 358.91 358.80 Fe Ⅰ 361.31 361.35 Fe Ⅰ 371.12 371.24 Fe Ⅰ 375.82 375.68 Fe Ⅰ 389.34 389.21 Fe Ⅰ 402.93 402.90 Fe Ⅰ 424.11 424.32 Fe Ⅰ 440.48 440.42 Fe Ⅰ 487.76 487.68 Fe Ⅰ 557.61 557.72 H 656.28 656.30 H 486.13 486.20 H 434.05 434.16
Table 3. Calculating the selected Fe element lines
View tableView in ArticleTable 3. Calculating the selected Fe element lines
元素 波长/nm 激发电位/eV Fe Ⅰ 357.33 6.73 Fe Ⅰ 358.91 4.26 Fe Ⅰ 371.12 5.90 Fe Ⅰ 389.33 6.10 Fe Ⅰ 440.47 4.35
Table 4. Arc temperature at different times of arcing
View tableView in ArticleTable 4. Arc temperature at different times of arcing
引弧时刻/ms 温度/K 5 2 619 10 5 096 15 3 818 20 4 827 25 4 414
Table 5. Electron density at different arcing moments
View tableView in ArticleTable 5. Electron density at different arcing moments
引弧时刻/ms 电子密度/m-3 5 5.974 3×1023 10 1.059 1×1024 15 5.048 6×1023 20 5.946 9×1024 25 1.989 2×1024
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Zhi-gang LI, Xiang XU, Yang LI, Wei HUANG. Study on Plasma Temperature and Electron Density During Arc Initiation by Underwater Wet Welding[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3404
Paper Information
Category: Research Articles
Received: Sep. 17, 2019
Accepted: --
Published Online: Jun. 18, 2021
The Author Email: Zhi-gang LI (gordon7456@163.com)
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