A comparative investigation of the wear behavior of PTFE and PI under dry sliding and simulated sand-dust conditions
文献类型：期刊论文
| 作者 | Yan FY(阎逢元)
|
| 刊名 | Wear
 |
| 出版日期 | 2009 |
| 卷号 | 266页码:632-638 |
| 关键词 | PTFE PI Simulated sand-dust Tribolayer |
| ISSN号 | 0043-1648 |
| 通讯作者 | 李春霞 |
| 中文摘要 | The wear behavior of polytetrafluoroethylene (PTFE) and polyimide (PI) has been comparatively evaluated under dry sliding and simulated sand-dust conditions. An improved block-on-ring wear tester equipped with an attachment for simulating the sand-dust environment was used to evaluate the abrasive wear behavior of materials. The sand collected from the Yellow River of China was used to simulate the sand- dust environment, also different loads and sand-dust sizes were chosen for tribological tests. The two chosen polymers showed different wear behavior under sand-dust conditions and the wear rates of PTFE were much lower under sand-dust conditions than under dry sliding conditions. This was attributed to the formation of the tribolayer on the worn surfaces during the abrasive wear process. The sand-dust enhanced the wear resistance of PTFE, but reduced that of PI because, in contrast to PTFE, there was no tribolayer formed on the PI worn surface. The wear rate of PTFE increased under sand-dust conditions while the wear rate of PI decreased with the increase of applied load. The higher hardness of PI and fragmentation of abrasive particles under high loads accounted for the decrease in wear rate as load increased. |
| 学科主题 | 材料科学与物理化学 |
| 收录类别 | SCI |
| 资助信息 | the National 863 Program of China (No. 2007AA03Z358) |
| 语种 | 英语 |
| WOS记录号 | WOS:000265345700004 |
| 公开日期 | 2012-11-13 |
| 源URL | [http://210.77.64.217/handle/362003/2154]  |
| 专题 | 兰州化学物理研究所_固体润滑国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Yan FY. A comparative investigation of the wear behavior of PTFE and PI under dry sliding and simulated sand-dust conditions[J]. Wear,2009,266:632-638. |
| APA | 阎逢元.(2009).A comparative investigation of the wear behavior of PTFE and PI under dry sliding and simulated sand-dust conditions.Wear,266,632-638. |
| MLA | 阎逢元."A comparative investigation of the wear behavior of PTFE and PI under dry sliding and simulated sand-dust conditions".Wear 266(2009):632-638. |
入库方式： OAI收割
来源：兰州化学物理研究所
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