Superhydrophobic graphene - polymer coatings for corrosion resistant automotive fluid delivery systems

该项目采用表面工程方法，通过制造具有超疏水表面的石墨烯-聚合物复合材料，提高汽车流体输送系统中使用的燃油管和刹车管的耐腐蚀性。对于具有超疏水性的纹理表面的制备，将采用以下方法：a)喷雾沉积；B)网格模板；C)生物纹理的复制。具有高接触角的纹理表面将使用实验室规模的动电位极化和质量损失测量来评估其耐腐蚀性。还将定期进行行业标准的盐雾测试。研究表面形貌、织构图案对疏水性和腐蚀机理的影响。还将测量冲击损伤对织构涂层耐蚀性的影响。这些结果，特别是盐雾测试结果，将用于建议生产超疏水涂层，用于保护燃料管理系统中使用的组件的大表面。这将使Martinrea能够继续开发新型、轻质和具有成本效益的涂料。提高产品质量的好处将是增加加拿大汽车相关行业的就业机会，并提高该部门在全球市场上的竞争力。

This project uses surface engineering methods to improve the corrosion resistance of fuel and brake tubes used in automotive fluid delivery systems by fabricating graphene-polymer composites with superhydrophobic surfaces. For the fabrication of textured surfaces with superhydrophobic properties the following methods will be used a) spray deposition; b) mesh templating; c) replication of bio-textures. Textured surfaces with high contact angles will be evaluated for their corrosion resistance using laboratory-scale potentiodynamic polarization, and mass-loss measurements. Industry standard salt-spray tests will also be conducted on a regular basis. The effect of surface morphology, texture patterns on the hydrophobicity and corrosion mechanisms will be examined. The effect of impact damage on corrosion resistance of textured coatings will also be measured. These results, in particular salt-spray test results will be used to make recommendation to produce superhydrophobic coatings for protection of large surfaces suitable for components used in fuel management systems. This will enable Martinrea to continue developing novel, lightweight and cost-effective coatings. The benefits of improved quality of products will be an increase in employment opportunities in the automotive-related industry in Canada and an increase of the competitiveness of this sector in global market place.