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首页> 外文期刊>Journal of Materials Engineering and Performance >Composite Coatings Incorporating Solid Lubricant Phases
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Composite Coatings Incorporating Solid Lubricant Phases

机译：包含固体润滑剂相的复合涂层

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The concept of incorporating a solid lubricant, silver (Ag), within a hard carbide film for vacuum tribology applications is investigated in this paper. SiC/Ag and HfC/Ag films were deposited by magnetron cosputtering at 200 deg C onto Si and 440C steel substrates. The composition, phase structure, and morphology in these films was examined using x-ray diffraction, scanning electron microscopy, and x-ray photoelectron spectroscopy. The microstructural analysis showed that Ag was incorporated both within and on the surface of the films. There was a strong tendency for Ag to segregate to the film surface. Vacuum tribology tests were conducted using a ball-on-disk test in a vacuum of 1.33 mu Pa with a 1 N load for 10 000 cycles. For both the SiC/Ag and HfC/Ag films, the average friction coefficients were reduced when sufficient Ag was present. These tests show that carbide-Ag composite films hold promise for vacuum tribology applications.
机译：本文研究了在真空摩擦学应用中的硬质碳化物膜中掺入固体润滑剂银（Ag）的概念。 SiC / Ag和HfC / Ag膜通过磁控管在200℃共溅射在Si和440C钢基底上沉积。使用X射线衍射，扫描电子显微镜和X射线光电子能谱检查了这些膜的组成，相结构和形态。微观结构分析表明，Ag被掺入薄膜的内部和表面。 Ag有强烈的偏析到膜表面的趋势。真空摩擦学测试是在1.33μPa的真空和1 N的负载下使用圆盘试验进行的，进行了10000次循环。对于SiC / Ag和HfC / Ag膜，当存在足够的Ag时，平均摩擦系数会降低。这些测试表明，硬质合金-Ag复合薄膜有望在真空摩擦学中得到应用。

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