Zhiyong Yu, Xicheng Wei, Yao Liang, Baodong Shen. Laser Marking Process of High-Gray Two-Dimensional Code on Aluminum Alloy Surface[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2114003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 21, 2114003 (2021)
Fig. 1. Laser marking process
Fig. 2. Scanning path of laser spot
Fig. 3. Macro-topographies of 6061 aluminum alloy plate before and after marking and two-dimension QR code after laser marking
Fig. 4. Gray value of each sample marked area before and after laser marking
Fig. 5. Reflectance of each sample in visible light band
Fig. 6. SEM images of sample b surface
Fig. 7. SEM images of sample c surface
Fig. 8. SEM images of sample d surface
|
Table 1. Chemical composition of 6061 aluminum alloy
| |||||||||||||||||||||||||||
Table 2. Main parameters of laser marking process
| |||||||||||||||||||||||
Table 3. EDS analysis of samples surface
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20