Experimental Investigation of Laser Ablation Characteristics on Nickel-Coated Beryllium Copper
Abstract
:1. Introduction
2. Experiment
2.1. Material and Experimental Method
2.2. Analysis Method
3. Results and Discussions
3.1. Heat Affected Zone, Material Removal Zone, and Roundness
3.2. Observation of Surface Characteristics
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Pulse Duration (ns) | Repetition Rate (kHz) | Pulse Energy (uJ) | Total E (mJ) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1000 | 800 | 500 | 200 | 100 | 80 | 50 | 20 | 10 | 8 | 5 | 2 | 1 | |||
Number of Pulse (#) | |||||||||||||||
200 | 20 | 1000 | 1000 | 800 | 500 | 200 | 100 | 80 | 50 | 20 | 10 | 8 | 5 | 2 | 1 |
100 | 40 | 500 | 2000 | 1600 | 1000 | 400 | 200 | 160 | 100 | 40 | 20 | 16 | 10 | 4 | 2 |
50 | 60 | 333.3 | 3000 | 2400 | 1500 | 600 | 300 | 240 | 150 | 60 | 30 | 24 | 15 | 6 | 3 |
20 | 105 | 190.5 | 5250 | 4200 | 2625 | 1050 | 525 | 420 | 263 | 105 | 53 | 42 | 26 | 11 | 5 |
8 | 200 | 100 | 10,000 | 8000 | 5000 | 2000 | 1000 | 800 | 500 | 200 | 100 | 80 | 50 | 20 | 10 |
4 | 500 | 40 | 25,000 | 20,000 | 12,500 | 5000 | 2500 | 2000 | 1250 | 500 | 250 | 200 | 125 | 50 | 25 |
Pulse Duration (ns) | ΔHAZ (μm) | Δ(MRZ)Top (μm) | Δ(MRZ)Bottom (μm) |
---|---|---|---|
200 | 15.656 | 19.221 | 10.958 |
100 | 25.932 | 14.687 | 2.362 |
50 | 46.583 | 28.84 | 12.008 |
20 | 89.307 | 54.58 | 36.682 |
8 | 157.133 | 123.019 | 111.748 |
4 | 158.073 | 125.15 | 74.305 |
Pulse Duration (ns) | Total E (mJ) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1000 | 800 | 500 | 200 | 100 | 80 | 50 | 20 | 10 | 8 | 5 | 2 | 1 | |
Roundness (%) | |||||||||||||
200 | 61.43 | 62.07 | 68.9 | 69.85 | 67.21 | 66.13 | 69.3 | 68.33 | 66.67 | - | - | - | - |
100 | 47.89 | 48.21 | 60 | 70.4 | 71.15 | 68.75 | 73.91 | 70 | 67 | 68.27 | 69.57 | - | - |
50 | 50.66 | 51.56 | 58.65 | 66.36 | 71.43 | 74.7 | 72.63 | 77.32 | 72.94 | 71.6 | 71.23 | - | - |
20 | 48.89 | 54.76 | 62.16 | 78.89 | 72.97 | 71.19 | 68.63 | 67.35 | 68.42 | 67.24 | 67.65 | - | - |
8 | 57.96 | 54.39 | 54.43 | 61.11 | 71.15 | 78.85 | 76.32 | 75.68 | 75.4 | 74.07 | 73.91 | - | - |
4 | No Exp | No Exp | No Exp | 55 | 64.44 | 69.05 | - | - | - | - | - | - | - |
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Lee, D. Experimental Investigation of Laser Ablation Characteristics on Nickel-Coated Beryllium Copper. Metals 2018, 8, 211. https://doi.org/10.3390/met8040211
Lee D. Experimental Investigation of Laser Ablation Characteristics on Nickel-Coated Beryllium Copper. Metals. 2018; 8(4):211. https://doi.org/10.3390/met8040211
Chicago/Turabian StyleLee, Dongkyoung. 2018. "Experimental Investigation of Laser Ablation Characteristics on Nickel-Coated Beryllium Copper" Metals 8, no. 4: 211. https://doi.org/10.3390/met8040211