脉冲激光清洗的作用机理及清洗表面性能提升研究
摘要
激光是20世纪以来人类的一项重大发明,表面清洗工艺又是工业生产中的重要环节,激光清洗技术近年来成为了国内外研究的热点问题,工业清洗工艺离不开对其机理和清洗后基材表面性能的研究,脉冲激光清洗难以定性定量描述的作用机理成为制约其应用推广的关键问题之一,主要表现在激光清洗过程中产生的光、声、热、等离子体等多场耦合作用和清洗过程中产生的复杂键合、界面破坏规律。本文中分析了在不同条件下脉冲激光清洗的作用机理,列举了国内外激光清洗的最新解决方案,并结合脉冲激光清洗的实验数据,提出了脉冲激光清洗表面性能提升的规律。
引文
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[2]Striova J,Fontana R,Barucci M,et al.Optical devices provide unprecedented insights into the laser cleaning of calcium oxalate layers☆[J].Microchemical Journal,2016,124(331):331~337.
[3]Rauh B,Kreling S,Kolb M,et al.UV-laser cleaning and surface characterization of an aerospace carbon fibre reinforced polymer[J].International Journal of Adhesion&Adhesives,2017.
[4]Singh S S,Baruah P K,Khare A,et al.Effect of laser beam conditioning on fabrication of clean micro-channel on stainless steel 316L using second harmonic of Q-switched Nd:YAGlaser[J].Optics Laser Technology,2018,99.
[5]Alshaer A W,Li L,Mistry A.The effects of short pulse laser surface cleaning on porosity formation and reduction in laser welding of aluminium alloy for automotive component manufacture[J].Optics&Laser Technology,2014,64(4):162~171.
[6]Qiang W,Guan Y,Cong B,et al.Laser cleaning of commercial Al alloy surface for tungsten inert gas welding[J].Journal of Laser Applications,2016,28(2).
[7]Edwards M R,Qu K,Mikhailova J M,et al.Beam cleaning of an incoherent laser via plasma Raman amplification[J].Physics of Plasmas,2017,24(10):103~110.
[8]Oliveira V,Sharma S P,Moura M F S F D,et al.Surface treatment of CFRP composites using femtoseccond laser radiation[J].Optics and Lasers in Engineering,2017,94:37~43.
[9]Tang Q H,Zhou D,Wang Y L,et al.Laser cleaning of sulfide scale on compressor impeller blade[J].Applied Surface Science,2015,355:334~340.
[5]Leone C,Genna S,Caggiano A.Resource efficient low power laser cleaning of compact discs for material reuse by polycarbonate recovery[J].Cirp Journal of Manufacturing Science&Technology,2015,9:39~50.
[11]Ragusich A,Taillon G,Meunier M,et al.Selective pulsed laser stripping of TiAlN erosion-resistant Coatings:effect of waveleng th and pulse duration[J].Surface and Coatings Technology,2013,232(10):758~766.
[12]王泽敏,曾晓雁,黄维玲.脉冲激光除漆机理及工艺参数的研究[J].材料保护,2000(04).
[13]韩敬华,段涛,高胥华,等.激光等离子体效应对薄膜损伤特性的影响[J].光谱学与光谱分析,2012,32(5):1162~1165.
[14]沈全,佟艳群,马桂殿,等.激光除锈后基体表面粗糙度的研究[J].激光与红外,2014(6):605~608.
[15]Zhang F D,Liu H,Subka C,et al.Corrosion behaviour of laser-cleaned AA7024 aluminium alloy[J].Applied Surface Science,2017,435.