ABSTRACT

In the current work, by using NiTi plasma spray, superhydrophobic property is developed for compressor parts used in aerospace engine. The durability of the coating enhances in case of droplet impingement in cold condition (temperature = 25 °C). For the hot condition the aforesaid coating needs to become hydrophilic for the retention of high durability characteristic. The discussed switching is achieved by keeping the coating with in an influence of electric field. The results revealed that the surface roughness (12.4 µm) of the coating supports the attainment of superhydrophobic characteristic depicting contact and rolling angle of 164° ± 1.5 and 8° ± 1, respectively at normal condition. By applying electric field, the coating is converted to hydrophilic in hot condition noticed by impact mapping of droplets. Furthermore, it has been observed that the coated steel plate shows better efficiency as compared to uncoated steel plate under electric field.

摘要

在目前的工作中，通过使用 NiTi 等离子喷涂，开发了用于航空发动机的压缩机部件的超疏水性能。如果在寒冷条件下（温度 = 25 °C）发生液滴撞击，涂层的耐用性会增强。对于热条件，上述涂层需要变得亲水以保持高耐久性特性。所讨论的切换是通过将涂层保持在电场的影响下来实现的。结果表明，涂​​层的表面粗糙度 (12.4 µm) 支持实现超疏水特性，在正常条件下，接触角和滚动角分别为 164°±1.5 和 8°±1。通过施加电场，涂层在热条件下转化为亲水性，由液滴的影响映射注意到。此外，