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首页> 美国卫生研究院文献>Materials >The Effect of Gradient Bias Design on Electrochemistry and Tribology Behaviors of PVD CrN Film in a Simulative Marine Environment
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The Effect of Gradient Bias Design on Electrochemistry and Tribology Behaviors of PVD CrN Film in a Simulative Marine Environment

机译：模拟海洋环境下梯度偏置设计对PVD CrN薄膜电化学和摩擦学行为的影响

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摘要

CrN films with various bias voltage designs (−20, −50, −80, −20~−80 V gradient change) were prepared via arc ion plating. Scanning electron microscope (SEM), X-ray diffraction (XRD), nanoIndentor, electrochemistry workstation and tribo-meter were selected to evaluate the microstructure, mechanics, electrochemistry and tribology behaviors of as-prepared specimens in a simulative marine environment. By comparison, the adhesion force and anti-corrosion ability of CrN film with a gradient bias design were greatly enhanced compared with other films. The tribology behaviors of as-prepared specimens under various normal loads and sliding frequencies were deeply discussed. The result showed that the bias design played a critical role to impact the friction and wear behavior of film. Meanwhile, the CrN film with gradient bias design could bear a load of 25 N while other single CrN films failed, implying the strongest load-bearing capacity. Furthermore, at the same test condition, the lowest friction coefficient (COF) and wear loss were observed for CrN film with a gradient bias design, implying outstanding anti-friction and anti-wear abilities.
机译：通过电弧离子镀制备具有各种偏置电压设计（-20，-50，-80，-20〜-80 V梯度变化）的CrN薄膜。选择扫描电子显微镜（SEM），X射线衍射（XRD），nanoIndentor，电化学工作站和摩擦计来评估模拟海洋环境中制备样品的微观结构，力学，电化学和摩擦学行为。相比之下，采用梯度偏压设计的CrN薄膜的附着力和抗腐蚀能力与其他薄膜相比大大提高。深入讨论了所制备试样在各种正常载荷和滑动频率下的摩擦学行为。结果表明，偏置设计对影响薄膜的摩擦和磨损行为起着至关重要的作用。同时，采用梯度偏压设计的CrN薄膜可承受25 N的载荷，而其他单CrN薄膜则失效，这意味着最强的承载能力。此外，在相同的测试条件下，采用梯度偏置设计的CrN薄膜观察到最低的摩擦系数（COF）和磨损损失，这表明其具有出色的抗摩擦和抗磨损能力。

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