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Study of corrosion protection of Aluminium 6061 in NaCI solution by silane-zeolite composite coatings

机译:硅烷-沸石复合涂料对铝6061在NaCl溶液中的腐蚀防护研究

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Anti-corrosion properties of a silane-zeolite composite coating applied to aluminium substrates, have been investigated. The composite film was prepared with different zeolite micro-particles concentration (1000, 2000, 4000 and 8000 ppm). Physicochemical tests (FTIR, adhesion, SEM, CAM) have been carried out to evaluate the structural integrity of the coating. The results showed high hydrophobicity of the silane zeolite coating for all zeolite contents and a relatively good adhesion performance. Corrosion protection performance in 3,5% NaCI solution was evaluated by means of polarization tests, evidencing good barrier characteristics of the composite layer.
机译:已经研究了应用于铝基材的硅烷-沸石复合涂层的防腐性能。用不同的沸石微粒浓度(1000、2000、4000和8000ppm)制备复合膜。已经进行了理化测试(FTIR,附着力,SEM,CAM)以评估涂层的结构完整性。结果表明,对于所有沸石含量,硅烷沸石涂层的疏水性高,并且具有相对良好的粘合性能。通过极化测试评估了在3.5%NaCl溶液中的腐蚀防护性能,证明了复合层的良好阻隔性能。

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