Tongtong Li, Baodong Shen, Chonghe Li, Baobao Lan, Guangyao Chen. Laser Surface Processing on Anodic Aluminum Oxide[J]. Laser & Optoelectronics Progress, 2019, 56(18): 181402
- Laser & Optoelectronics Progress
- Vol. 56, Issue 18, 181402 (2019)
Fig. 1. Working schematic of laser marking equipment
Fig. 2. Macroscopic displays on surface of 5052 anodic aluminum oxide alloy after laser surface processing with different setup powers. (a) 23%P0; (b) 25%P0; (c) 27%P0; (d) 33%P0; (e) 38%P0; (f) 40%P0; (g) 50%P0
Fig. 3. Laser output power as a function of pattern contrast
Fig. 4. Micro-morphologies on surface of 5052 anodic aluminum oxide alloy after laser surface processing with different setup powers. (a) 1.64 W; (b) 1.88 W; (c) 2.13 W; (d) 2.76 W; (e) 3.32 W; (f) 3.58 W; (g) 4.66 W
Fig. 5. SEM micro-morphologies of aluminum surface before and after laser surface processing. (a) 500×; (b) local amplification for 5000×
Fig. 6. SEM micro-morphologies of aluminum cross section. (a) Before laser surface processing; (b) after laser surface processing
Fig. 7. SEM micro-morphologies of aluminum surface before and after laser surface processing with setup power of 38%P0
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Table 1. Chemical compositions of 5052 aluminum alloy (mass fraction, %)
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Table 2. Parameters of laser surface processing
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