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首页> 外文期刊>International Journal of Electrochemical Science >Electrochemical and Tribological and Mechanical Performances Coatings Multilayer Type NbC / CrN
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Electrochemical and Tribological and Mechanical Performances Coatings Multilayer Type NbC / CrN

机译：多层层型NbC / CrN的电化学和摩擦力学性能

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Niobium nitride / Chromium nitride multilayer coatings deposited by unbalanced magnetron sputteringsystem, with two cathodes in alternate positions (Nb/Cr). Four multilayer NbN/CrN coatings wereproduced with different periodicities (1100 nm, 440 nm, 220 nm and 110 nm) with total thickness from2.2 m in all cases. Mechanical and tribological characterization was conducted by microhardnessmeasurements and tests pin-on-disk; according to ASTM G99-05 standard to 25 C, in order toevaluate and compare the wear resistance of the multilayers study, increased hardness and reducedcoefficient of friction with the content of more layers from low to high periodicity was determined,indicating a potential better performance of the lower periodicity multilayer coating systems in service.Also is conducted the study of the electrochemical behavior coatings analyzed under a corrosiveenvironment by Tafel polarization curves, determining the protection generated by the thin films.
机译：通过不平衡磁控溅射系统沉积的氮化铌/氮化铬多层涂层，两个阴极处于交替位置（Nb / Cr）。在所有情况下，以不同的周期（1100 nm，440 nm，220 nm和110 nm）生产了四个多层NbN / CrN涂层，总厚度为2.2 m。机械和摩擦学表征是通过显微硬度测量进行的，并通过销钉测试磁盘;根据ASTM G99-05标准在25 C下进行评估，以评估和比较多层研究的耐磨性，确定了硬度的增加和摩擦系数的降低，以及从低到高周期性增加了更多层的含量，表明该涂层可能具有更好的性能。还通过Tafel极化曲线研究了在腐蚀性环境下分析的电化学行为涂层，确定了薄膜产生的保护作用。

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