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鋁合金表面抗腐蝕薄膜的制備及性能研究
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江蘇大學(xué)微納米科學(xué)技術(shù)研究中心,江蘇大學(xué)微納米科學(xué)技術(shù)研究中心

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TG113.23

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國家自然科學(xué)基金項(xiàng)目（面上項(xiàng)目，重點(diǎn)項(xiàng)目，重大項(xiàng)目）


Research on Preparation and Property of Anti-Corrosion Film on Surface of Aluminum Alloy
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Micro/Nano Science & Technology Center, Jiangsu University,Micro/Nano Science & Technology Center, Jiangsu University

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    摘要:

    本文采用分子自組裝法在鋁合金表面制備了3-氨基丙基三乙氧基硅烷(KH550)膜、KH550/氧化石墨烯(GO)復(fù)合薄膜。借助掃描電子顯微鏡(SEM)、拉曼光譜儀(Raman)和傅立葉紅外光譜儀(FTIR)表征了樣品表面形貌和微結(jié)構(gòu)，通過電化學(xué)工作站測試了樣品腐蝕電位和腐蝕電流密度。結(jié)果表明KH550的氨基(-NH2)與GO的羧基(-COOH)發(fā)生縮合反應(yīng)，使KH550與GO成功接枝。KH550硅烷膜和KH550/GO復(fù)合薄膜與鋁合金發(fā)生了化學(xué)反應(yīng)，生成了Si-O-Al鍵，增加了薄膜粘附力；同時(shí)兩種薄膜均有效提高了鋁合金抗腐蝕性。

    Abstract:

    3-Triethoxysilylpropylamine(KH550) film and KH550/graphene oxide(GO) composite film were prepared on aluminum alloy by Self-Assembly Moleculars(SAM). Surface morphology and microstructure of the samples were characterized by SEM, Raman and FITR. Corrosion potential and current density of the samples was also tested by the electrochemical workstation. The results showed that a condensation reaction took place between amino groups(-NH2) of KH550 and carboxy groups(-COOH) of GO, which made success combination of KH550 and GO. The adhesion ability of film was enhanced for the chemical reaction between film and aluminum alloy which led to the generation of Si-O-Al linkage. Moreover, the corrosion resistance of aluminium alloy was effectively improved by the two kinds of films.

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石陽陽,程廣貴.鋁合金表面抗腐蝕薄膜的制備及性能研究[J].稀有金屬材料與工程,2016,45(4):952~956.[shiyangyang, chengguanggui. Research on Preparation and Property of Anti-Corrosion Film on Surface of Aluminum Alloy[J]. Rare Metal Materials and Engineering,2016,45(4):952~956.]
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  • 收稿日期:2014-04-24
  • 最后修改日期:2014-07-07
  • 錄用日期:2014-07-28
  • 在線發(fā)布日期: 2016-06-02
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