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首页> 外文期刊>Surface and Interface Analysis: SIA: An International Journal Devoted to the Development and Application of Techniques for the Analysis of Surfaces, Interfaces and Thin Films >Aluminium alloy corrosion inhibition by chromate-free composition of zinc phosphate and ion-exchanged zeolite
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Aluminium alloy corrosion inhibition by chromate-free composition of zinc phosphate and ion-exchanged zeolite

机译：不含磷酸锌的磷酸锌和离子交换沸石对铝合金的缓蚀作用

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摘要

Corrosion inhibition of aluminium alloy D16T by natural and calcium and zinc ion-exchanged zeolites and their compositions with phosphate pigment was studied. Clinoptilolite, a natural zeolite from Sokyrnytsia deposit (Transcarpathian region, Ukraine), has been used in this study as a basic component. Protective properties of polyurethane coatings containing ion-exchanged zeolites were investigated in acid rain solution. Direct current polarization methods and electrochemical impedance spectroscopy were used. It was established that composition of zinc phosphate and calcium ion-exchanged zeolite has significant anti-corrosion synergistic effect because of deposition of protective film on aluminium alloy surface. The addition of phosphate/zeolite-inhibiting composition to polyurethane coating offers substantial increase of its protective properties in corrosion environment compared with the use of a single phosphate pigment.
机译：研究了天然和钙，锌离子交换沸石对铝D16T的腐蚀抑制作用及其与磷酸盐颜料的组成。斜发沸石，一种来自Sokyrnytsia矿床（乌克兰喀尔巴阡地区）的天然沸石，已被用作本研究的基本成分。在酸雨溶液中研究了含离子交换沸石的聚氨酯涂料的保护性能。使用直流极化方法和电化学阻抗谱。已经确定，磷酸锌和钙离子交换沸石的组成由于在铝合金表面上沉积保护膜而具有显着的防腐协同作用。与使用单一磷酸盐颜料相比，向聚氨酯涂料中添加磷酸盐/沸石抑制剂组合物可显着提高其在腐蚀环境中的防护性能。

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