Global corrosion damages mandate the synthesis of superhydrophobic, self-cleaning protective surfaces possessing excellent mechanical, chemical, and thermal stability. Thus, a self-cleaning, superhydrophobic carbon nanofiber (CNF) coating on structural alloys AISI 1020 mild steel (MS) and Mg alloy (AZ31) with water contact angle (CA) 145°–150° and sliding angle of 7° ± 2° is fabricated by a novel two-step process of plasma sputter followed by CVD. An extraordinary self-buoyancy of the deposited CNFs coating was observed to be ~378 and ~257 times than that of its own deposited mass on the coated MS and AZ31, respectively. Further, the CNF coated MS, and AZ31 alloys displayed performance of corrosion protection efficiency of about 97% in 3.5 wt NaCl corrosive environment with a lower corrosion current density (I_corr = 0.16 and 14.90 μA/cm² respectively) than that of uncoated one (I_corr = 5.56 and 691.8 μA/cm², respectively). The charge transfer resistance (R_ct) was obtained to be ~ four and two orders of magnitude greater than the uncoated MS (1.4 kΩ cm²) and AZ31 (2.0 kΩ cm²) alloys, respectively. Thus, this simple and straightforward process of making corrosion resistance superhydrophobic CNF coating can be potentially used for protecting structural alloys in various engineering applications.

全面的腐蚀破坏要求合成具有优异的机械，化学和热稳定性的超疏水，自清洁保护表面。因此，在结构合金AISI 1020低碳钢（MS）和镁合金（AZ31）上具有自清洁的超疏水碳纳米纤维（CNF）涂层，水接触角（CA）为145°–150°，滑动角为7°±2通过新颖的两步等离子体溅射和CVD工艺制成。观察到沉积的CNFs涂层具有非凡的自浮性，分别是其自身在涂层MS和AZ31上沉积质量的约378倍和〜257倍。此外，CNF涂层的MS和AZ31合金在3.5 wt NaCl腐蚀环境中表现出约97％的腐蚀防护效率，且腐蚀电流密度较低（I _corr = 0.16和14.90μA/厘米²分别）比未涂覆的一个（I的_科尔 = 5.56和691.8μA/厘米²，分别地）。获得的电荷转移电阻（R _ct）分别比未涂覆的MS（1.4kΩcm ²）和AZ31（2.0kΩcm ²）合金大约四个和两个数量级。因此，这种制造抗腐蚀超疏水CNF涂层的简单而直接的方法可以潜在地用于在各种工程应用中保护结构合金。