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中国腐蚀与防护学报  2007, Vol. 27 Issue (3): 172-175     
  研究报告 本期目录 | 过刊浏览 |
铝合金表面不同硅烷化预处理的耐蚀性研究
郭增昌;王云芳;王汝敏
西北工业大学化工系
Study on anti-resistance of various silanization pretreatment on aluminium alloys surface
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西北工业大学化工系
全文: PDF(283 KB)  
摘要: 采用浸涂工艺,用pH=4~5,体积分数<3%的3种硅溶胶即γ-缩水甘油醚丙基三甲氧基硅烷(GPTMS)、双-(三乙氧基硅)乙烷(BTSE)、双-[γ-(三乙氧基硅)丙基]四硫化分别采用100℃×60min和130℃×60min工艺固化,并用动电位(PDS)和电化学阻抗谱(EIS)测试了不同硅烷化膜层在3.5mass%NaCl溶液中的耐蚀性并与铬酸盐处理的耐蚀性进行了比较。结果表明,双功能硅烷化膜层的耐蚀性优于功能性硅烷化膜层的耐蚀性,BTSPS硅烷化膜层的耐蚀性最优。
关键词 硅烷化预处理耐蚀性双硅烷    
Abstract:In order to see about anti-corrosion of silanization pretreatment on aluminium alloys surface, YL12 Al aloys surface were treated with γ- glycidoxypropyltrimentoxysilane(GPTMS),bis- [triethoxysilylpropyl] tetrasulfide(BTSPS) and bis-1,2-(triethoxysilyl) - ethane (BTSE)by dip-coating process. GPTMS and bis - silane films layer were cured at 100 ℃ for 60min and 130℃ for 60min respectively. Corrosion resistance of various silane silanization films layer were tested with potentiodynamic scan (PDS) and electrochemical impedance spectroscopy (EIS)in 3.5mass% NaCl solution and compared with that of chromated conversion coatings. The results show that the corrosion resistance of bis - silanization film layer exceeded that of organofunctional silane, the antiresistance of BTSPS silanization film layer exceeded that of all others.
Key wordssilanization    pretreatment    anti-resistance    bis-silane
收稿日期: 2005-11-25     
ZTFLH:  TG17  
通讯作者: 郭增昌     E-mail: zcguo62@163.com

引用本文:

郭增昌; 王云芳; 王汝敏 . 铝合金表面不同硅烷化预处理的耐蚀性研究[J]. 中国腐蚀与防护学报, 2007, 27(3): 172-175 .

链接本文:

https://www.jcscp.org/CN/Y2007/V27/I3/172

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