ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Mechanism for composite paint layer on aluminum alloy surface cleaned by laser
Received date: 2022-06-21
Revised date: 2022-07-07
Accepted date: 2022-08-12
Online published: 2022-08-31
Supported by
National Natural Science Foundation of China(U2033211);Aeronautical Science Foundation of China(2020Z049067002);Civil Aviation University of China Research Innovation Project for Postgraduate Students(2021YJS039)
The laser cleaning experiment was performed on acrylic-polyurethane composite paint layers above 2A12 aircraft aluminum alloy using nanosecond pulse fiber laser in the process conditions of three different scanning speeds (900, 720, 540 mm/s). The influences of different scanning speeds on cleaning effect were investigated. The experimental results demonstrate that the topcoat is removed completely and the primer is removed partially when scanning speed is 900 mm/s; the residual primer is further reduced, which induces exposure of the oxide film when scanning speed is 720 mm/s; the paint layer is mostly removed, part of the oxide film is broken down, with the aluminum alloy substrate expose when scanning speed is 540 mm/s. It is showed that the cleaning process presents “ablation-plasma shock-ablation” interactive paint removal mechanism characteristics. Pits are the main cleaning characteristic of ablation mechanism which will make the topcoat colorant (β-copper phthalocyanine) and the functional oxide particles stripped from paint layer and deposited. The plasma shock mainly occurs in the region between two neighboring pits, while the detonation wave produced by plasma shock could cause removal or damage of the paint layer. Ablation and plasma shock, on the one hand, will trigger the transient thermal strain paint removal mechanism, which will cause stress fragmentation or peeling of the residual paint layer; and on the other hand, could make the residual paint layer affected by heat, resulting in part of the radical position rearrangement and replacement.
Key words: laser cleaning; aluminum alloy; composite paint layer; scanning speed; mechanism
Tiangang ZHANG , Jiahao HUANG , Xiaoyun HOU , Zhiqiang ZHANG . Mechanism for composite paint layer on aluminum alloy surface cleaned by laser[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2023 , 44(11) : 427656 -427656 . DOI: 10.7527/S1000-6893.2022.27656
1 | 蔡攀. 浅谈飞机MRO大修包研究及应用[J]. 航空维修与工程, 2021(8): 40-42. |
CAI P. Brief discussion on the research and application of aircraft MRO document package[J]. Aviation Maintenance and Engineering, 2021(8): 40-42 (in Chinese). | |
2 | 何金徕, 孙秦. 民用飞机客改货的技术可行性分析[J]. 航空制造技术, 2009, 52(16): 63-65. |
HE J L, SUN Q. Technique feasibility analysis of transformation from passenger to cargo for civil aircraft[J]. Aeronautical Manufacturing Technology, 2009, 52(16): 63-65 (in Chinese). | |
3 | 何鼎, 雷骏志, 华信浩. 航空涂料与涂装技术[M]. 北京: 化学工业出版社, 2000: 176-371. |
HE D, LEI J Z, HUA X H. Aviation coatings and painting technology[M]. Beijing: Chemical Industry Press, 2000: 176-371 (in Chinese). | |
4 | 王晓东, 余锦, 貊泽强, 等. 激光脱漆技术的研究进展 [J]. 激光与光电子学进展, 2020, 57(5): 59-70. |
WANG X D, YU J, MO Z Q, et al. Research progress on laser paint stripping technology[J]. Laser and Optoelectronics Progress, 2020, 57(5): 59-70 (in Chinese). | |
5 | 武爽爽, 贾秀杰, 熊胜, 等. 面向再制造的油漆清洗技术综述[J]. 表面技术, 2021, 50(3): 51-65. |
WU S S, JIA X J, XIONG S, et al. Review of paint cleaning technology for remanufacturing[J]. Surface Technology, 2021, 50(3): 51-65 (in Chinese). | |
6 | 李兴, 管迎春. 浅述几种典型激光加工技术在航空制造领域的应用现状[J]. 航空制造技术, 2019, 62(S2): 38-45, 65. |
LI X, GUAN Y C. Study on typical laser processing technologies and applications in aeronautical manufacturing[J]. Aeronautical Manufacturing Technology, 2019, 62(S2): 38-45, 65 (in Chinese). | |
7 | 蒋一岚, 叶亚云, 周国瑞, 等. 飞机蒙皮的激光除漆技术研究[J]. 红外与激光工程, 2018, 47(12): 29-35. |
JIANG Y L, YE Y Y, ZHOU G R, et al. Research on laser paint removing of aircraft surface[J]. Infrared and Laser Engineering, 2018, 47(12): 29-35 (in Chinese). | |
8 | 李浩宇, 杨峰, 郭嘉伟, 等. 激光清洗的发展现状与前景[J]. 激光技术, 2021, 45(5): 654-661. |
LI H Y, YANG F, GUO J W, et al. Development status and prospect of laser cleaning[J]. Laser Technology, 2021, 45(5): 654-661 (in Chinese). | |
9 | 雷正龙, 孙浩然, 田泽, 等. 不同时间尺度的激光对铝合金表面油漆层清洗质量的影响[J]. 中国激光, 2021, 48(6): 65-74. |
LEI Z L, SUN H R, TIAN Z, et al. Effect of laser at different time scales on cleaning quality of paint on Al alloy surfaces[J]. Chinese Journal of Lasers, 2021, 48(6): 65-74 (in Chinese). | |
10 | 赵海朝, 乔玉林, 杜娴, 等. 脉冲激光清洗铝合金表面漆层的技术研究[J]. 中国激光, 2021, 48(6): 246-259. |
ZHAO H C, QIAO Y L, DU X, et al. Research on paint removal technology for aluminum alloy using pulsed laser[J]. Chinese Journal of Lasers, 2021, 48(6): 246-259 (in Chinese). | |
11 | BRYGO F, DUTOUQUET C, LE GUERN F, et al. Laser fluence, repetition rate and pulse duration effects on paint ablation[J]. Applied Surface Science, 2006, 252(6): 2131-2138. |
12 | JASIM H A, DEMIR A G, PREVITALI B, et al. Process development and monitoring in stripping of a highly transparent polymeric paint with ns-pulsed fiber laser[J]. Optics and Laser Technology, 2017, 93: 60-66. |
13 | 刘伟军, 赵子铭, 李强, 等. 激光清洗2A12铝合金复合漆层的技术研究[J]. 中国激光, 2022, 49(8): 140-150. |
LIU W J, ZHAO Z M, LI Q, et al. Laser cleaning technology of 2A12 aluminum alloy composite paint layer[J]. Chinese Journal of Lasers, 2022, 49(8): 140-150 (in Chinese). | |
14 | 任鑫, 初鑫. 常温镍盐封闭处理对铝阳极氧化膜性能的影响[J]. 表面技术, 2010, 39(2): 74-76. |
REN X, CHU X. The influence of sealing treatment with salt containing Ni2+ at normal temperature on properties of anodized aluminum alloy[J]. Surface Technology, 2010, 39(2): 74-76 (in Chinese). | |
15 | 佐藤敏彦,神长京子. 铝阳极氧化理论[M]. 史宏伟, 余泉和, 赵正平, 等译. 北京: 化学工业出版社, 2018: 33-62. |
Theories of aluminum anodization[M]. SHI H W, YU Q H, ZHAO Z P, et al, translated. Beijing: Chemical Industry Press, 2018: 33-62 (in Chinese). | |
16 | PATERMARAKIS G, KARAYANNIS H S. The mechanism of growth of porous anodic Al2O3 films on aluminium at high film thicknesses[J]. Electrochimica Acta, 1995, 40(16): 2647-2656. |
17 | 王德良, 冯国英, 邓国亮, 等. 基于颗粒形貌及成分分析的激光除漆去除机理研究[J]. 中国激光, 2015, 42(10): 115-121. |
WANG D L, FENG G Y, DENG G L, et al. Study of mechanism on laser paint removal based on the morphology and element composition of ejected particle[J]. Chinese Journal of Lasers, 2015, 42(10): 115-121 (in Chinese). | |
18 | LI X K, ZHANG Q H, ZHOU X Z, et al. The influence of nanosecond laser pulse energy density for paint removal[J]. Optik, 2018, 156: 841-846. |
19 | HAN J H, CUI X D, WANG S, et al. Laser effects based optimal laser parameter identifications for paint removal from metal substrate at 1064nm: A multi-pulse model[J]. Journal of Modern Optics, 2017, 64(19): 1947-1959. |
20 | 汪长春, 包启宇. 丙烯酸酯涂料[M]. 北京: 化学工业出版社, 2005: 109-163. |
WANG C C, BAO Q Y. Acrylate coating[M]. Beijing: Chemical Industry Press, 2005: 109-163 (in Chinese). | |
21 | 郭召恒, 周建忠, 孟宪凯, 等. HT250灰铸铁纳秒脉冲激光除漆工艺研究[J]. 中国激光, 2019, 46(10): 191-197. |
GUO Z H, ZHOU J Z, MENG X K, et al. Nanosecond-pulsed-laser paint stripping of HT250 gray cast iron[J]. Chinese Journal of Lasers, 2019, 46(10): 191-197 (in Chinese). | |
22 | PASSAUER L. A case study on the thermal degradation of an acrylate-type polyurethane wood coating using thermogravimetry coupled with evolved gas analysis[J]. Progress in Organic Coatings, 2021, 157: 106331. |
23 | 陶子斌, 郑承旺. 丙烯酸生产与应用[M]. 北京: 化学工业出版社, 2018: 180-197. |
TAO Z B, ZHENG C W. Production and application of acrylic acid[M]. Beijing: Chemical Industry Press, 2018: 180-197 (in Chinese). | |
24 | 翁诗甫, 徐怡庄. 傅里叶变换红外光谱分析[M]. 3版. 北京: 化学工业出版社, 2016: 287-408. |
WENG S F, XU Y Z. Fourier transform infrared spectrum analysis[M]. 3rd ed. Beijing: Chemical Industry Press, 2016: 287-408 (in Chinese). | |
25 | 李旭华, 段宁, 刘景洋, 等. 废聚氨酯的热解及产物分析[J]. 环境污染与防治, 2009, 31(3): 6-9, 15. |
LI X H, DUAN N, LIU J Y, et al. Pyrolysis of waste polyurethane and its pyrolytic products analysis[J]. Environmental Pollution and Control, 2009, 31(3): 6-9, 15 (in Chinese). | |
26 | ZHAO H C, QIAO Y L, DU X, et al. Paint removal with pulsed laser: Theory simulation and mechanism analysis[J]. Applied Sciences, 2019, 9(24): 5500. |
27 | 袁开军, 江治, 李疏芬, 等. 聚氨酯的阻燃性机理研究进展[J]. 高分子材料科学与工程, 2006, 22(5): 1-4. |
YUAN K J, JIANG Z, LI S F, et al. The fire retardant mechanism of polyurethane[J]. Polymer Materials Science and Engineering, 2006, 22(5): 1-4 (in Chinese). | |
28 | 张天刚, 张倩, 庄怀风, 等. TC4表面Ti2SC-Ti2Ni复合结构相的自润滑激光熔覆层组织与性能[J]. 光学学报, 2020, 40(11): 133-143. |
ZHANG T G, ZHANG Q, ZHUANG H F, et al. Microstructure and properties of Ti2SC-Ti2Ni composite structural phase self-lubricating laser cladding layer on TC4 surface[J]. Acta Optica Sinica, 2020, 40(11): 133-143 (in Chinese). | |
29 | 辛建娇, 申书昌, 王佳宝. 聚酰亚胺固相微萃取涂层的制备及表面结构的XPS研究[J]. 中山大学学报(自然科学版), 2015, 54(6): 115-119. |
XIN J J, SHEN S C, WANG J B. Preparation and XPS study of polyimide solid phase microextraction coating[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2015, 54(6): 115-119 (in Chinese). | |
30 | 厉蕾, 颜悦. 丙烯酸树脂及其应用[M]. 北京: 化学工业出版社, 2012: 1-97. |
LI L, YAN Y. Acrylic resin and its application[M]. Beijing: Chemical Industry Press, 2012: 1-97 (in Chinese). | |
31 | 赵海朝, 乔玉林, 杜娴, 等. 能量密度对激光清洗铝合金漆层的影响及作用机理[J]. 激光与光电子学进展, 2020, 57(13): 212-220. |
ZHAO H C, QIAO Y L, DU X, et al. Effect and mechanism of energy density on the aluminum alloy paint cleaned by laser[J]. Laser and Optoelectronics Progress, 2020, 57(13): 212-220 (in Chinese). | |
32 | 张天刚, 孙荣禄. Ti811表面原位生成纳米Ti3Al激光熔覆层的组织和性能[J]. 中国激光, 2018, 45(1): 97-104. |
ZHANG T G, SUN R L. Microstructure and properties of nano-Ti3Al laser cladding layer prepared on Ti811 alloy surface[J]. Chinese Journal of Lasers, 2018, 45(1): 97-104 (in Chinese). | |
33 | 王蔚, 李相锦, 刘伟军, 等. 激光清洗7075铝合金阳极氧化膜的工艺参数对表面质量的影响[J]. 中国激光, 2022, 49(16): 189-203. |
WANG W, LI X J, LIU W J, et al. Effect of laser cleaning process parameters on surface quality of 7075 aluminum alloy anodic oxidation film[J]. Chinese Journal of Lasers, 2022, 49(16): 189-203 (in Chinese). | |
34 | 高辽远, 周建忠, 孙奇, 等. 激光清洗铝合金漆层的数值模拟与表面形貌[J]. 中国激光, 2019, 46(5): 335-343. |
GAO L Y, ZHOU J Z, SUN Q, et al. Numerical simulation and surface morphology of laser-cleaned aluminum alloy paint layer[J]. Chinese Journal of Lasers, 2019, 46(5): 335-343 (in Chinese). | |
35 | 佟艳群, 任旭东. 纳秒脉冲激光清洗理论与技术[M]. 北京: 科学出版社, 2019: 13-36. |
TONG Y Q, REN X D. Theory and technology of nanosecond pulse laser cleaning[M]. Beijing: Science Press, 2019: 13-36 (in Chinese). | |
36 | 王思捷, 乔玉林, 黄艳斐, 等. 激光清洗技术及应用[M]. 北京: 冶金工业出版社, 2020. |
WANG S J, QIAO Y L, HUANG Y F,et al. Laser cleaning technology and its application[M]. Beijing: Metallurgical Industry Press, 2020 (in Chinese). |
/
〈 |
|
〉 |