High temperature tribological properties of a nickel-alloy-based solid-lubricating composite: Effect of surface tribo-chemistry, counterpart and mechanical properties | |
Department | 固体润滑国家重点实验室 |
Cheng J(程军)1; Li F(李斐)1; Zhu SY(朱圣宇)1; Hao JY(郝俊英)1; Yang J(杨军)1; Li WS(李文生)2; Liu WM(刘维民)1; Yang J(杨军) | |
2017 | |
Source Publication | Wear |
ISSN | 0043-1648 |
Volume | 386-387Pages:39-48 |
Abstract | This paper is aimed to characterize the new NiCrAlMo-12.5 wt. % Ag- X wt. % CaF2/BaF2 (X = 5 or 10) solidlubricating composites, which have high strength and self-lubricity simultaneously from room temperature to 800 °C and thus would be a potential candidate for aerospace bearing applications. Additionally, clarification of the influence of fluoride content on the tribological responses of this material is another object. Sliding friction and wear performances of these composites as bearing materials are evaluated using a pin-on-rotating-flat disc configuration against an Inconel718 alloy pin. Also, the surface tribo-chemical reactions and mechanical properties of the composites are investigated and related to their tribological behaviors. Reducing the fluoride eutectic content leads to significant improvement on the wear resistance of the composites above 600 °C, which is strongly dependent on the surface tribo-chemical reactions and the interaction with the counterpart, not on the mechanical properties. The wear rate of the Inconel718 counterpart over the entire testing temperature range is as low as 10-7 mm3/(Nm). |
Keyword | Metal-matrix Composite Tribochemistry High Temperature Solid Lubricants |
Subject Area | 材料科学与物理化学 |
DOI | 10.1016/j.wear.2017.06.001 |
Funding Organization | the National Natural Science Foundation of China (51675510;51505459);the International S & T Cooperation Program of China (2015DFR51090) |
Indexed By | SCI |
If | 2.531 |
Language | 英语 |
Funding Project | 高温抗磨材料研究组;空间润滑材料研究组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/22006 |
Collection | 固体润滑国家重点实验室(LSL) |
Corresponding Author | Yang J(杨军) |
Affiliation | 1.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China 2.State Key Laboratory of Advanced Nonferrous Materials Process and Recycles, Lanzhou University of Technology, Lanzhou 730050, PR China |
Recommended Citation GB/T 7714 | Cheng J,Li F,Zhu SY,et al. High temperature tribological properties of a nickel-alloy-based solid-lubricating composite: Effect of surface tribo-chemistry, counterpart and mechanical properties[J]. Wear,2017,386-387:39-48. |
APA | Cheng J.,Li F.,Zhu SY.,Hao JY.,Yang J.,...&杨军.(2017).High temperature tribological properties of a nickel-alloy-based solid-lubricating composite: Effect of surface tribo-chemistry, counterpart and mechanical properties.Wear,386-387,39-48. |
MLA | Cheng J,et al."High temperature tribological properties of a nickel-alloy-based solid-lubricating composite: Effect of surface tribo-chemistry, counterpart and mechanical properties".Wear 386-387(2017):39-48. |
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