氯化铈掺杂对6061铝合金表面硅烷膜性能的影响
Effect of Cerium Chloride on Corrosion Performance of Silane Film on AA6061
摘 要
采用极化曲线、硫酸铜点滴、盐水浸泡等方法，研究了稀土氯化物对铝合金表面γ-(甲基丙烯酰氧)丙基三甲氧基(KH-570)硅烷膜耐蚀性能的影响。结果表明,在KH-570硅烷膜制备过程中添加一定量CeCl3可有效提高硅烷膜的耐蚀性;扫描电子显微镜(SEM)显示: 未含CeCl3的硅烷膜表面有轻微裂痕，而含量为0.2% CeCl3的改性硅烷膜表面较为均匀致密。在本试验工艺条件下，硅烷溶液中CeCl3的最佳含量为0.2%。
氯化铈
硅烷膜
耐蚀性能
aluminum alloy
cerium chloride
silane film
corrosion resistance
Abstract
The effect of rare earth chlorides on corrosion resistance of of the methacryloxy propyl trimethoxyl silane film on AA 6061 surface was studied by means of polarization curves,CuSO4 dropping and salt-water immersion test. The results showed that doping a certain content of CeCl3 in the preparation of the methacryloxy propyl trimethoxyl silane film could improve the corrosion resistance of silane film effectively. Scanning electron microscopy (SEM) indicated that the methacryloxy propyl trimethoxyl silane film had some cracks on its surface,and the modified silane film with a content of CeCl3 was dense and uniform. Under the technical conditions determined by this experiment,the optimum content of CeCl3 in the silane solution was 0.2%.
中图分类号 TG174 DOI 10.11973/fsyfh-201509008
所属栏目 试验研究
基金项目
收稿日期 2014/9/6
修改稿日期
网络出版日期
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备注张圣麟(1960-),教授,博士,从事材料腐蚀与防护研究。
引用该论文: LI Wen-chao,ZHANG Ming-ming,LEI Yue,QIAO Jing-fei,ZHANG Sheng-lin. Effect of Cerium Chloride on Corrosion Performance of Silane Film on AA6061[J]. Corrosion & Protection, 2015, 36(9): 832
被引情况:
【1】左玉婷,杜凤贞,夏 雯,刘淑凤,刘安生,张智慧, "铝合金散热器腐蚀失效分析",腐蚀与防护 37, 1018-1022(2016)
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参考文献
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【3】吴海江,卢锦堂. 热镀锌钢表面硅烷膜的制备、表征及成膜机理[J]. 材料保护,2009,42(5):7-10.
【4】崔昌军,彭乔. 铝及铝合金的阳极氧化研究综述[J]. 全面腐蚀控制,2006,16(6):12-17.
【5】肖围,满瑞林. 铝管表面BTESPT硅烷稀土复合膜的制备及耐蚀性的研究[J]. 电镀与环保,2009,29(9):30-34.
【6】吴海江,徐国荣,许剑光,等. 热镀锌钢铈盐/硅烷复合膜的制备及其耐蚀性能[J]. 材料保护,2013,46(1):16-18.
【7】闫斌,陈红霞,陈嘉宾. 功能性有机硅烷膜对金属腐蚀防护的研究现状及展望[J]. 材料保护,2009,42(3):54-57.
【8】朱丹青,WIM J V O,王一建,等. 金属表面硅烷处理技术[J]. 电镀与涂饰,2009,28(10):67-71.
【9】陆峰,WIM J V O. 铝合金表面硅烷处理后腐蚀性能的研究[J]. 材料工程,1999(8):18-20.
【10】VREUDENHIA A J,BALBYSHEV V N,DONLEY M S. Nanostructured silicon sol-gel surface treatments for Al 2024-T3 protection[J]. Journal of Coatings Technology,2001,73(915):35-43.
【11】KASTEN L S,BALBYSHEV V N,DONLY M S. Surface analytical study self-assenmled nanophase particale surface treatments[J]. Progress in Organic Coatings,2003(47):214-224.
【12】CASTELVETRO V,VITA C D. Nanostructured hybrid materials from aqueous polymer dispersions[J]. Advan Colloi Interf Sci,2004,108/109(5):167-185.
【13】张圣麟,张小麟. 氧化钇掺杂对铝合金表面硅烷膜耐蚀性的影响[J]. 腐蚀与防护,2011,32(12):965-968.
【14】PENG T L,MAN R L. Rare earth and silane as chromate replacers for corrosion protection on galvanized steel[J]. J Rare Earths,2009,7(1):159-163.
【15】MONTEMOR M F,TRABEISI W. Modification of bis-silane solutions with rare-earth cations for improved corrosion protection of galvanized steel substrates[J]. Prog Org Coat,2006,57(1):67-77.
【16】张旭明,王建军,刘春明,等. Q235钢表面饰盐掺杂乙烯基三乙氧基硅烷膜制备及耐蚀性能[J]. 中国腐蚀与防护学报,2012,32(6):455-459.
【17】李荻. 电化学原理[M]. 北京:北京航空航天大学出版社,1999:406.
【18】VIGNESH P A,HUANGB Y,WIM J O. Effects of addition of corrosion inhibitors to silane films on the performance of AA2024-T3 in a 0.5M NaCl solution[J]. Progress in Organic Coatings,2005,53(3):153-168.
【19】吴海江,卢锦堂,陈锦虹. 热镀锌钢表面硅烷膜耐蚀性能的初步研究[J]. 腐蚀与防护,2006,27(1):14-17.
【20】TRABEISI W,TRIKI E,DHOUIBI L,et al. The use of pre-treatments based on doped silane solutions for improved corrosion resistance of galvanized steel substrates[J]. Surf Coat Technol,2006,200(14/15):4240-4250.
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