Infrared and Laser Engineering, Volume. 52, Issue 2, 20220534(2023)
Study on synchronous laser cleaning technology of aluminum alloy carbody welding (invited)
Figures & Tables(11)
Fig. 2. Surface micromorphologies of aluminum alloy treated with different processes (Parameters of (a)-(h) as shown in
Fig. 3. Results of TEM before and after laser cleaning. (a) Untreated; (b) After cleaning
Fig. 8. Weld penetration inspection. (a) Untreated; (b) After manual grinding; (c) After laser cleaning
Table 1. Parameters of laser
View tableView in ArticleTable 1. Parameters of laser
Parameter Symbol Value Wavelength/nm λ 1064 Average power/W P 0-200 Repetition frequency/kHz F 1-4000 Pulse width/ns l 8-500 Scanning frequency/Hz f 0-300 Focal length/mm f1 254 Spot diameter/μm D 92.9 Laser mode parameter M2 1.8
Table 2. Combination of cleaning process parameters before welding
View tableView in ArticleTable 2. Combination of cleaning process parameters before welding
No. Average power, P/W Repetition frequency, F/kHz Line width, L/mm Cleaning speed, V/ m·min–1 Scanning frequency, f/Hz （a） Untreated （b） 200 160 45 0.5 100 （c） 200 170 45 0.6 105 （d） 200 180 45 0.7 110 （e） 200 200 45 0.8 120 （f） 200 220 45 0.9 130 （g） 200 250 45 1.0 145 （h） 200 260 45 1.1 150
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Yuelai Zhang, Weifeng Long, Qi Yao, Ji Lin, Zehui Liu, Bowen Liu. Study on synchronous laser cleaning technology of aluminum alloy carbody welding (invited)[J]. Infrared and Laser Engineering, 2023, 52(2): 20220534
Paper Information
Category: Special issue-Laser cleaning technology$Research articles
Received: Aug. 1, 2022
Accepted: --
Published Online: Mar. 13, 2023
The Author Email: Zhang Yuelai (zhangyuelai.zz@crrcgc.cc), Lin Ji (.linjihust@163.com)
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