。1018· 北京科技大学学报 第31卷 的AO3荧光性能随A+浓度改变的变化情况，再 [5]LiS M.Zhang H R.Liu J H.Preparation and perfomance of 将8HQ附着在铝合金表面，利用腐蚀过程中表面出 fluorescent sensing coating for monitoring corrosion of Al alloy 2024.Trans Nonferrous Met Soc China.2006.16(1):159 现的荧光现象可以定性甚至半定量地判断铝合金基 [6 LiS M.Zhang H R.Liu J H.Corrosion behavior of aluminum ab 体的腐蚀的萌生、腐蚀的区域及腐蚀的程度 loy 2024T3 by 8-hydmoxy-quinoine and its derivative in 3.5% (2)光谱分析实验证明，8HQ与铝离子整合后 chloride soltion Trans Nonferrous Met Soc China.2007.17 荧光强度大大增强，并且在一定范围内AQ3荧光 (2):318 强度随铝离子浓度的增加而增强. [7 Luo F L Liu Z H,Chen T L Photo chemical Ph sensitive mem- brane of cross Iink PVA with congo red fixed on it.Chin J Appl (3)利用聚乙烯醇将8HQ附着于铝合金试样 Chem,2005,2(3):233 表面，试样经腐蚀后发生腐蚀的区域可在紫外线照 (罗发亮，刘志宏，陈天禄.固定刚果红的交联聚乙烯醇光化学 射下呈现出荧光现象，主要现象为整个试样在蓝色 pH敏感膜.应用化学，2005,22(3)：233) 背景下出现荧光绿色斑点；随着腐蚀程度的加深荧 [8 Zhang Z J.Zhang Y K.Ma W B et al Poly(vinyl alcohdl)as a 光区域扩大，荧光现象增强. substrate for indicator immobilization for fiber-optic chemical sen- (4)在腐蚀过程中，通过光学显微镜观测发现， sors.Anal Chem.1989,61(3):202 [9 Bryant D E,GreenfieH D.The use of fluorescent probe for the 荧光斑点下对应区域有腐蚀发生，腐蚀状况在可见 detection of under-film corrosion.Prog Org Coat,2006.57: 光下用肉眼很难观测到.腐蚀结束后，剥去涂层，原 416 先荧光斑点区域用肉眼可见明显腐蚀，而原先未出 [10 He Y,Gong M L Dong P.Synthesis and photophysical be 现荧光的区域并无明显腐蚀发生. haviour of trioxinatoaluminum.Acta Sci Nat Uniy Sunyateni. (5)实验证明，这种基于8HQ的荧光敏感监测 1995,342):114 (何宜，龚孟濂，董平.三（公羟基喹啉）合铝的合成和光物理 技术在监测涂层下铝合金的早期腐蚀方面有良好的 行为.中山大学学报：自然科学版，1995.342)：114) 效果，并且在一定范围内能够通过表面荧光现象的 [11]Sunerits S.Walt D R.Alminum surace corrosion and the 变化反映铝合金腐蚀的发展情况. mechanism of inhibitors using pH and metal ion sekctive imaging fiber bundles.Anal Chem.2002.74:886 参考文献 12]An B G.Zhang X Y.Song S Z.Research situation of at mo [1]Sehgal R.Tiw ari A,Sood V.A study on fitness-for-service as- spheric corosion of alminum and aluminum alloys.Cin J sessment for crack-lke defects and cormsion in nuclear reactor Nan ferrous Met,2001.11(2):11 pressure tubes.Reliab Eng Sys Saf.2005.89(2):227 (安百刚，张学元，宋诗哲.铝和铝合金的大气腐蚀研究现状 [2]Zhang Y H.Wang H.Cheng Y L Corrosion damage evolution 中国有色金属学报，2001,11(2)：11) and residual strength of corroded aluminum albys.J Univ Sci 13 WaHmop J R.Kendig M W.Nucleation of chromate conversion Technol Beijing.2008,15 (4):430 coating on aluminum 2024T3 investigated by atomic force mi- [3]Johnson R E,Agarw ala V S.Using fhorescent compounds as croseopy.J Electrochem Soc,1998.145:L11 early w arning detectors for corrosion.Mater Perform,1994, [14 Guillaumin V,Mankow ski G.Localized corrosion of 2024T351 33:25 aluminium alby in chloride media.Corros Sci,1999.41:421 [4]Sibi M P.Zong Z G.Deermination of corrosion on alminum al [15]Xu R C.Tang D.Ren X,et al.Improvement of the matrix and loy under protective coating using fhuorescent probes.Prog Org the interface quality of aCuAl com posite by the MARB process. Dat,2003.47:8 Rare Me1,2007,263):230的AlQ3 荧光性能随 Al 3 +浓度改变的变化情况, 再 将 8HQ 附着在铝合金表面, 利用腐蚀过程中表面出 现的荧光现象可以定性甚至半定量地判断铝合金基 体的腐蚀的萌生 、腐蚀的区域及腐蚀的程度. ( 2) 光谱分析实验证明, 8HQ 与铝离子鳌合后 荧光强度大大增强, 并且在一定范围内 AlQ3 荧光 强度随铝离子浓度的增加而增强. ( 3) 利用聚乙烯醇将 8HQ 附着于铝合金试样 表面, 试样经腐蚀后发生腐蚀的区域可在紫外线照 射下呈现出荧光现象, 主要现象为整个试样在蓝色 背景下出现荧光绿色斑点 ;随着腐蚀程度的加深, 荧 光区域扩大, 荧光现象增强. ( 4) 在腐蚀过程中, 通过光学显微镜观测发现, 荧光斑点下对应区域有腐蚀发生, 腐蚀状况在可见 光下用肉眼很难观测到.腐蚀结束后, 剥去涂层, 原 先荧光斑点区域用肉眼可见明显腐蚀, 而原先未出 现荧光的区域并无明显腐蚀发生. ( 5) 实验证明, 这种基于 8HQ 的荧光敏感监测 技术在监测涂层下铝合金的早期腐蚀方面有良好的 效果, 并且在一定范围内能够通过表面荧光现象的 变化反映铝合金腐蚀的发展情况. 参 考 文 献 [ 1] Sehgal R, Tiw ari A, Sood V .A study on fitness-for-service as￾sessment f or crack-like defects and corrosion in nuclear reactor pressure tubes.Reliab Eng Syst S af , 2005, 89( 2) :227 [ 2] Zhang Y H, Wang H, Cheng Y L.Corrosion damage evolution and residual strength of corroded aluminum alloys.J Uni v S ci Technol Beijing , 2008, 15 ( 4) :430 [ 3] Johnson R E, Agarw ala V S .Using fluorescent compounds as early w arning detect ors f or corrosion.Mater Perform , 1994, 33:25 [ 4] Sibi M P, Zong Z G .Det ermination of corrosion on aluminum al￾loy under protective coating using fluorescent probes.Prog Org Coat, 2003, 47:8 [ 5] Li S M, Zhang H R, Liu J H .Preparation and perf ormance of fluorescen t sensing coating f or monitoring corrosion of Al alloy 2024.Trans Non ferrous Met Soc China, 2006, 16( 1) :159 [ 6] Li S M, Zhang H R, Liu J H .Corrosion behavior of aluminum al￾loy 2024-T 3 by 8-hydroxy-quinoline and its derivati ve in 3.5% chloride solution.Trans Non ferrous Met Soc China, 2007, 17 ( 2) :318 [ 7] Luo F L, Liu Z H, Chen T L.Photo chemical Ph sensitive mem￾brane of cross-link PVA with congo red fixed on it .Chin J App l Chem, 2005, 22( 3) :233 ( 罗发亮, 刘志宏, 陈天禄.固定刚果红的交联聚乙烯醇光化学 pH 敏感膜.应用化学, 2005, 22( 3) :233) [ 8] Zhang Z J, Zhang Y K, Ma W B, et al.Poly( vinyl alcohol) as a substrat e for indicator immobilizati on for fiber-optic chemical sen￾sors.Anal Chem , 1989, 61( 3) :202 [ 9] Bryant D E, Greenfield D .The use of fluorescent probe f or the det ection of under-film corrosion.Prog Org Coat, 2006, 57: 416 [ 10] He Y, Gong M L, Dong P .S ynthesis and phot ophysical be￾haviour of trioxinatoaluminum .Acta S ci Nat Uni v S unyatseni, 1995, 34( 2) :114 ( 何宜, 龚孟濂, 董平.三( 8-羟基喹啉) 合铝的合成和光物理 行为.中山大学学报:自然科学版, 1995, 34( 2) :114) [ 11] Sunerits S, Walt D R.Aluminum su rf ace corrosion and the mechanism of inhibit ors using pH and met al ion selecti ve imaging fiber bundles.Anal Chem , 2002, 74:886 [ 12] An B G, Zhang X Y, Song S Z .Research situation of atmo￾spheric corrosion of aluminum and aluminum alloys.Ch in J Non f errous Met, 2001, 11( 2) :11 ( 安百刚, 张学元, 宋诗哲.铝和铝合金的大气腐蚀研究现状. 中国有色金属学报, 2001, 11( 2) :11) [ 13] Wald rop J R, Kendig M W.Nucleation of chromate conversion coating on aluminum 2024-T3 investigated by atomic force mi￾croscopy .J Electrochem Soc, 1998, 145:L11 [ 14] Guillaumin V, Mankow ski G .Localized corrosion of 2024-T 351 aluminium alloy in chloride media.Corros S ci, 1999, 41:421 [ 15] Xu R C, Tang D, Ren X, et al.Improvement of the matrix and the int erface qualit y of a C u-Al com posite by the MARB process. Rare Met, 2007, 26( 3) :230 · 1018 · 北 京 科 技 大 学 学 报 第 31 卷