ABSTRACT This article presents nanohardness, coefficient of friction (COF), and wear of Yttria-stabilized zirconia coatings (YSZ) deposited on 316L steel substrates and co-deposited with Al and Ag. YSZ coatings were deposited via RF sputtering reactive phase technique. It is widely known that the RF sputtering technique produces stoichiometric coatings with high homogeneity and density. The average thickness of the coatings was 200 nm, and the X-ray diffraction study (XRD) showed the formation of alumina alpha (α-Al2O3) and metallic silver in the YSZ coatings deposited with Al and Ag, respectively. The mechanical properties were evaluated by means of nanoindentation, and the wear resistance was studied with pin-on-disk technique. The addition of Ag to the YSZ coatings led to decreased hardness, while the YSZ coatings deposited with Al presented an increased hardness. Finally, YSZ coatings deposited with aluminum and silver had the lowest friction coefficient, while Ag-YSZ coatings had a COF very similar to that obtained in YSZ coatings. The wear resistance test showed that YSZ coatings deposited with Al had lower volume loss compared to YSZ coatings deposited with Ag. The wear mechanism in the deposited coatings is analyzed.

中文翻译：

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通过射频溅射在 AISI 316L 上与铝和银共沉积的 YSZ 涂层的机械性能

摘要 本文介绍了沉积在 316L 钢基材上并与铝和银共沉积的氧化钇稳定氧化锆涂层 (YSZ) 的纳米硬度、摩擦系数 (COF) 和磨损。YSZ 涂层是通过射频溅射反应相技术沉积的。众所周知，射频溅射技术可产生具有高均匀性和密度的化学计量涂层。涂层的平均厚度为 200 nm，X 射线衍射研究 (XRD) 显示在分别用 Al 和 Ag 沉积的 YSZ 涂层中形成了氧化铝 α (α-Al2O3) 和金属银。力学性能通过纳米压痕评估，耐磨性通过销盘技术研究。在 YSZ 涂层中添加 Ag 导致硬度降低，而用 Al 沉积的 YSZ 涂层硬度增加。最后，用铝和银沉积的 YSZ 涂层具有最低的摩擦系数，而 Ag-YSZ 涂层的 COF 与 YSZ 涂层中获得的 COF 非常相似。耐磨性测试表明，与用银沉积的 YSZ 涂层相比，用铝沉积的 YSZ 涂层具有更低的体积损失。分析了沉积涂层的磨损机制。