Cr-Ni-N复合薄膜的制备及其摩擦磨损性能初探
Preparation and Primary Investigation of the Tribological Properties of Ion-Plated Cr-Ni-N Composite Films on Stainless Steel
查看参考文献9篇
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文摘
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采用多弧离子镀技术在9Cr18钢基体上制备了Cr-Ni-N复合薄膜,初步研究了复合薄膜的制备工艺、结构、摩擦学性能及力学性能.结果表明,所制备的复合薄膜具有纳米尺寸的多相结构;氮气流量对薄膜的相组成有明显影响;复合薄膜的硬度较高,韧性和抗磨性能良好. |
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其他语种文摘
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Cr-Ni-N composite films were deposited on 9Crl8 steel using multi-arc ion plating technology. The effect of N2 flux on the structure of the films was investigated. The phase compositions of the composite films were examined by means of X-ray diffraction. The tribological properties of the Cr-Ni-N composite films sliding against 9Crl8 steel in vacuum were investigated on a ball-on-disc test rig, using ion-plated Ni, Cr, and CrN films as the comparison. And the cross-section and worn surface morphologies of the composite films were observed using a scanning electron microscope. It was found that the composite films had much higher microhardness and much better wear resistance than the reference films deposited under the same conditions. The compositions and microstructures of the composite films were highly dependent on the N2 flux. Namely, mono ceramic phase CrN was generated in the composite film at a N2 flux of 7 seem, while binary ceramic phases Ni3N and Cr2N were produced in the composite films at N2 flux of 15 seem and 30 seem. This accounted for the higher hardness and better wear resistance of the composite films prepared at larger N2 flux than the one prepared at a small N2 flux of 7 seem. Moreover, the better mechanical and tribological properties of the Cr-Ni-N composite films than the ion-plated Ni, Cr, and CrN films were closely related to the nanocrystalline structures. |
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来源
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摩擦学学报
,2005,25(2):131-134 【核心库】
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关键词
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多弧离子镀
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Cr-Ni-N复合薄膜
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摩擦磨损性能
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地址
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中国科学院兰州化学物理研究所, 固体润滑国家重点实验室, 甘肃, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1004-0595 |
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学科
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物理学 |
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基金
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国家自然科学基金创新研究群体项目
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文献收藏号
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CSCD:1925134
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