Co2 laser parameters9/23/2023 ![]() Based on this study, it was found that the application of the Otsu thresholding technique was of significance to the HAZ area determination and reduction of the time consumption for the image analysis. Based on the results, the cutting speed was the most significant parameter to produce the smallest HAZ area therefore, the laser processing parameters were optimized to achieve a minimum HAZ area, and it was possible to reduce its dark color appearance of the material surfaces. ![]() The optimal condition for the sample with 40% AH loaded was 60% power ratio and 20 mm/s in cutting speed. The results from the image analysis signified that the smallest HAZ area was successfully achieved on samples with AH loaded at 40%. The Otsu thresholding technique (OTT) was applied to HAZ area determinations. The HAZ area was measured through image processing software. ![]() The study discussed the HAZ area of the paper with AH loaded at 0–40% on a dry pulp basis. There were two input parameters of laser processing: the ratio of laser power to a maximum and the cutting speed. ![]() Thus, paper loaded with aluminum hydroxide (AH) was prepared and tested with laser cutting. However, beauty-marring carbonization, or a heat-affected zone (HAZ) generated during the laser cutting process of paper materials ¬¬¬led to an intriguing discussion on the possibility of reducing this defect zone. Since ancient times, natural fibers have been essential in paper production and packaging fabrication. ![]()
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