Improvement in the tribological performances of Si3N4, SiC and WC by graphite-like carbon films under dry and water-lubricated sliding conditions
文献类型：期刊论文
| 作者 | Xue QJ(薛群基) ; Wang LP(王立平); Wang LP(王立平)
|
| 刊名 | Surface and Coatings Technology
 |
| 出版日期 | 2011 |
| 卷号 | 205页码:2770-2777 |
| 关键词 | Si3N4 SiC WC GLC film Tribological performance Dry condition Water-lubricated condition |
| ISSN号 | 0257-8972 |
| 通讯作者 | 王立平 |
| 中文摘要 | Silicon nitride (Si3N4), silicon carbide (SiC) and cemented carbide (WC) are good material candidates in the applications ofwater hydraulic systems and related water-lubrication fields. But high friction and severe wear would arise from the unavoidable solid–solid contact during running-in period, frequent starting/stopping due to the absence of effective water lubrication. Graphite-like carbon (GLC) films with high hardness was successfully deposited on above different ceramics to improve their durability and stability under different working conditions. The microstructure, morphology and mechanical characteristics of the as-deposited GLC films were investigated by Raman spectroscopy, scanning electron microscope (SEM), atomic force microscopy (AFM) and nano-indention tester. The tribological behaviors of GLC-coated Si3N4, SiC and WC were comparatively studied by a ball-on-disc tribo-meter when compared with un-coated ceramic substrates under both dry and water-lubricated sliding conditions. Results show that the friction coefficient of coated- GLC films kept a relatively lower value of 0.04–0.07whereas the above three ceramic substrates demonstrated a much higher value in the range of 0.1–0.3 under both dry and water-lubricated conditions. In addition, the wear rate of Si3N4, SiC andWC substrates could be significantly reduced after the deposition of GLC films and interestingly the GLC-coated WC exhibited unique super-low wear rate (nearly non-wear properties). The tribological performance of coated-GLC films greatly depended on the ceramic substrates and the corresponding friction-reduction and anti-wear mechanisms related with different wear conditions and substrates were also revealed. Such GLC films are considered as potential protective and lubricating surfaces for water-lubricated parts such as water-lubricated bearing, mechanical seals and other moving parts used in water environment. |
| 学科主题 | 材料科学与物理化学 |
| 收录类别 | SCI |
| 资助信息 | the National Natural Science Foundation of China (NO.50905178);High Technology Research and Development Program of China (NO.2009AA03Z105) |
| 语种 | 英语 |
| 公开日期 | 2012-09-24 |
| 源URL | [http://210.77.64.217/handle/362003/819]  |
| 专题 | 兰州化学物理研究所_固体润滑国家重点实验室 |
| 通讯作者 | Wang LP(王立平); Wang LP(王立平) |
| 推荐引用方式 GB/T 7714 | Xue QJ,Wang LP,Wang LP. Improvement in the tribological performances of Si3N4, SiC and WC by graphite-like carbon films under dry and water-lubricated sliding conditions[J]. Surface and Coatings Technology,2011,205:2770-2777. |
| APA | 薛群基,王立平,&王立平.(2011).Improvement in the tribological performances of Si3N4, SiC and WC by graphite-like carbon films under dry and water-lubricated sliding conditions.Surface and Coatings Technology,205,2770-2777. |
| MLA | 薛群基,et al."Improvement in the tribological performances of Si3N4, SiC and WC by graphite-like carbon films under dry and water-lubricated sliding conditions".Surface and Coatings Technology 205(2011):2770-2777. |
入库方式： OAI收割
来源：兰州化学物理研究所
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