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首页> 外文期刊>International Journal of Electrochemical Science >Corrosion Protection of Silane Coatings Modified by Carbon Nanotubes on Stainless Steel
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Corrosion Protection of Silane Coatings Modified by Carbon Nanotubes on Stainless Steel

机译：碳纳米管改性的硅烷涂层对不锈钢的腐蚀防护

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摘要

The bis-[triethoxysilylpropyl] tetrasulfide (BTESPT) silane film modified by carbon nanotubes havebeen applied to 304 stainless steel successfully by dip-coating method. The composite coatings showbetter corrosion resistance property than the single silane film. The effect of multi-wall carbonnanotube (MWCNT) for the anti-corrosion properties of the BTESPT/MWCNT hybrid film is studiedvia electrochemical analysis technique. Scanning electronic microscopy (SEM) was performed tocharacterize the micro morphology. The anti-corrosion properties of the BTESPT silane film andBTESPT/MWCNT hybrid film are studied via potentiodynamic polarization tests and electrochemicalimpedance spectroscopy in aerating 3.5 wt% NaCl solution. The results show that the protection ofBTESPT/MWCNT hybrid film is superior to silane film. At the same time, the immersion test showsthat BTESPT/MWCNT silane hybrid film has a good stability in 3.5 wt% NaCl solution, so the hybridfilm can prevent the penetration of the chloride ion in seawater.
机译：碳纳米管改性的双[三乙氧基甲硅烷基丙基]四硫化物（BTESPT）硅烷膜已通过浸涂法成功应用于304不锈钢。复合涂层显示出比单硅烷膜更好的耐腐蚀性。通过电化学分析技术研究了多壁碳纳米管（MWCNT）对BTESPT / MWCNT杂化膜耐腐蚀性能的影响。进行扫描电子显微镜（SEM）以表征微观形态。通过电位动力学极化试验和电化学阻抗谱研究了在充气的3.5 wt％NaCl溶液中BTESPT硅烷膜和BTESPT / MWCNT杂化膜的耐腐蚀性能。结果表明，BTESPT / MWCNT混合膜的保护性能优于硅烷膜。同时，浸没试验表明，BTESPT / MWCNT硅烷杂化膜在3.5 wt％的NaCl溶液中具有良好的稳定性，因此杂化膜可防止氯离子渗透到海水中。

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