中国激光, 2019, 46 (10): 1002012, 网络出版: 2019-10-25
HT250灰铸铁纳秒脉冲激光除漆工艺研究 
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Nanosecond-Pulsed-Laser Paint Stripping of HT250 Gray Cast Iron
图 & 表
图 1. 除漆设备和路径示意图。(a)激光除漆设备示意图;(b)激光除漆路径示意图
Fig. 1. Schematics of equipment and path of paint stripping. (a) Schematic of setup for laser paint stripping; (b) schematic of laser stripping path
图 2. 激光除漆区域及其二值化对比图。(a)激光除漆区域;(b)二值化的激光除漆区域
Fig. 2. Comparison of laser paint stripping area and binarization. (a) Laser paint stripping area; (b) binarized laser paint stripping area
图 3. v=8000 mm/s和f=80 kHz时,不同激光功率下除漆后的表面形貌。(a) P=40 W;(b) P=50 W;(c) P=60 W
Fig. 3. Surface morphologies after laser stripping at different laser powers with v=8000 mm/s and f=80 kHz. (a) P=40 W; (b) P=50 W; (c) P=60 W
图 4. 不同激光功率下除漆表面的氧含量
Fig. 4. Oxygen content after laser stripping at different laser powers
图 5. 当f=80 kHz、P=50 W、 v=8000 mm/s时,激光除漆表面及残余漆层的形貌,以及基底处的EDS分析结果。(a) SEM形貌;(b) EDS分析结果(spectrum 1);(c)除漆表面的残余漆层形貌;(d)残余漆层的局部放大图
Fig. 5. Laser stripping surface and residual paint layer morphologies and EDS analysis results of base when f=80 kHz, P=50 W, and v=8000 mm/s. (a) SEM morphology; (b) EDS analysis results; (c) residual paint layer morphology of cleaning surface; (d) partial enlargement of residual paint layer
图 6. 当f=80 kHz、P=50 W、v=4000 mm/s时,激光除漆表面形貌及EDS分析结果。(a) SEM形貌;(b) EDS分析结果
Fig. 6. Laser stripping surface and EDS analysis results when f=80 kHz, P=50 W, and v=4000 mm/s. (a) SEM morphology; (b) EDS analysis results
表 1HT250灰铸铁的主要化学成分
Table1. Main chemical constituents of HT250 gray cast iron
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表 2激光器主要技术参数
Table2. Main technical parameters of laser
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郭召恒, 周建忠, 孟宪凯, 孙奇, 朱明, 杨嘉年, 付强. HT250灰铸铁纳秒脉冲激光除漆工艺研究[J]. 中国激光, 2019, 46(10): 1002012. Zhaoheng Guo, Jianzhong Zhou, Xiankai Meng, Qi Sun, Ming Zhu, Jianian Yang, Qiang Fu. Nanosecond-Pulsed-Laser Paint Stripping of HT250 Gray Cast Iron[J]. Chinese Journal of Lasers, 2019, 46(10): 1002012.
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