Infrared and Laser Engineering, Volume. 51, Issue 12, 20220156(2022)
Research on quantitative detection method of coating thickness on complex substrates
Figures & Tables(9)
Fig. 2. (a) NIR characteristic absorption spectrum of 20-yuan coated and uncoated detected by Near-IR spectroscopy; (b) NIR characteristic absorption spectrum of 10-yuan coated and uncoated detected by Near-IR spectroscopy; (c) NIR characteristic absorption spectrum of 1-yuan coated and uncoated detected by Near-IR spectroscopy
Fig. 3. (a) First-order derivative NIR characteristic absorption spectrum of 20-yuan coated and uncoated; (b) First-order derivative NIR characteristic absorption spectrum of 10-yuan coated and uncoated; (c) First-order derivative NIR characteristic absorption spectrum of 1-yuan coated and uncoated
Fig. 4. In Different wavenumbers, MSC and Second-order derivative NIR characteristic absorbance of 1-yuan Coated and Uncoated
Fig. 5. (a) MSC and Second-order derivative NIR characteristic absorbance of 20-yuan coated and uncoated; (b) MSC and Second-order derivative NIR characteristic absorbance of 10-yuan coated and uncoated; (c) MSC and Second-order derivative NIR characteristic absorbance of 1-yuan coated and uncoated
Table 1. Expression of the coated roughness
View tableView in ArticleTable 1. Expression of the coated roughness
Type 1-yuan 10-yuan 20-yuan Region Description Sa/μm Region Description Sa/μm Region Description Sa/μm Plain-Region 1 Coated 3.108 Plain-Region 1 Coated 3.439 Plain-Region 1 Coated 2.472 Plain-Region 2 3.704 Plain-Region 2 3.809 Plain-Region 2 5.353 Plain-Region 3 2.851 Plain-Region 3 3.306 Plain-Region 3 7.192 Plain-Region 4 2.036 Plain-Region 4 8.309 Plain-Region 4 5.227 Complex-Region 5 14.160 Complex-Region 5 13.460 Complex-Region 5 15.938 Plain-Region 6 Complex Region 6 13.624 Complex -Region 6 14.232 Plain-Region 7 Plain-Region 7 6.690 Plain-Region 7 5.777 Plain-Region 8 4.236 Plain-Region 8 5.039 Plain-Region 8 9.440
Table 2. Expression of the coated relative thickness
View tableView in ArticleTable 2. Expression of the coated relative thickness
Type 1-yuan 10-yuan 20-yuan Region Description d1 Region Description d1 Region Description d1 Plain-Region 1 Coated 252.574 Plain-Region 1 Coated 265.339 Plain-Region 1 Coated 241.245 Plain-Region 2 267.249 Plain-Region 2 273.653 Plain-Region 2 332.216 Plain-Region 3 248.799 Plain-Region 3 261.801 Plain-Region 3 171.205 Plain-Region 4 229.470 Plain-Region 4 218.388 Plain-Region 4 321.753 Complex-Region 5 116.244 Complex-Region 5 102.234 Complex-Region 5 124.223 Plain-Region 6 Complex-Region 6 112.302 Complex-Region 6 107.153 Plain-Region 7 Plain-Region 7 195.219 Plain-Region 7 223.175 Plain-Region 8 247.899 Plain-Region 8 239.415 Plain-Region 8 198.442
Table 3. Complex and plain characteristic expression of 20-yuan Coated and Uncoated
View tableView in ArticleTable 3. Complex and plain characteristic expression of 20-yuan Coated and Uncoated
Region 20-yuan coated 20-yuan uncoated Plain-Region 1 Plain-Region 4 Complex-Region 5
Table 4. Expression of the measurement coated thickness by confocal laser scanning microscopy
View tableView in ArticleTable 4. Expression of the measurement coated thickness by confocal laser scanning microscopy
Type 1-yuan 10-yuan 20-yuan Region D1/μm Region D1/μm Region D1/μm Plain-Region 1 6.660 Plain-Region 1 8.001 Plain-Region 1 7.332 Plain-Region 2 5.847 Plain-Region 2 9.341 Plain-Region 2 7.267 Plain-Region 3 8.783 Plain-Region 3 5.978 Plain-Region 3 12.738 Plain-Region 4 10.417 Plain-Region 4 6.750 Plain-Region 4 9.565 Complex-Region 5 3.807 Complex-Region 5 4.547 Complex-Region 5 4.015 Plain-Region 6 7.006 Complex-Region 6 4.661 Complex-Region 6 6.223 Plain-Region 7 9.248 Plain-Region 7 7.321 Plain-Region 8 8.779 Plain-Region 8 6.333
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Qiang Zhu, Weihu Zhou, Xiaomei Chen, Guannan Li, Junkai Shi. Research on quantitative detection method of coating thickness on complex substrates[J]. Infrared and Laser Engineering, 2022, 51(12): 20220156
Paper Information
Category: Photoelectric measurement
Received: Mar. 9, 2022
Accepted: May. 17, 2022
Published Online: Jan. 10, 2023
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