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题名:
Friction and wear behavior of Ni-based solid-lubricating composites at high temperature in a vacuum environment
作者: Cheng J(程军)1; Zhen JM(甄金明)1; Zhu SY(朱圣宇)1; Yang J(杨军)1; Ma JQ(马吉强)2; Li WS(李文生)2; Liu WM(刘维民)1
所属部门: 固体润滑国家重点实验室
所属课题: 高温抗磨材料研究组;空间润滑材料研究组
通讯作者: 杨军
学科分类: 材料科学与物理化学
关键词: Vacuum ; High temperature ; Solid-lubricating ; Tribological characteristics ; Ni-based composite
刊名: Materials and Design
DOI: 10.1016/j.matdes.2017.03.030
ISSN号: 0264-1275
发表日期: 2017
卷: 122, 页:405-413
收录类别: SCI
英文摘要:

In this paper, the effect of the complex condition with high temperature and vacuum on the tribological properties of NiCrMoAl-Ag-CaF2/BaF2 solid-lubricating composite has been investigated. It presents that this composite displays the excellent tribological properties in vacuum than in air fromroomtemperature to 800 °C. In vacuum, the friction coefficients are around or below0.20 and superior to that in air. Besides, the wear rates in vacuumare at least one order ofmagnitude lower than those tested in air. They can be divided into three stageswith the temperature (10−7 mm3/Nm at room temperature and 200 °C, 10−6 mm3/Nm between 400 and 600 °C, and 10−5 mm3/Nm at 800 °C). Also, the surface oxidation behavior and the lubrication characteristics of solid lubricants (Ag and fluorides) in vacuum are clarified and related to the tribological properties.

资助者: the National Natural Science Foundation of China (51675510;51505459);the International Science and Technology Cooperation Program of China (2015DFR51090)
语种: 英语
影响因子: 4.364
兰州化物所论文排名: 第一作者单位
WOS记录号: WOS:000400213200039
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.licp.ac.cn/handle/362003/22007
Appears in Collections:固体润滑国家重点实验室_期刊论文

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作者单位: 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 Processing and Recycling of Nonferrous Materials, Lanzhou University of Technology, Lanzhou 730050, PR China

Recommended Citation:
Cheng J,Zhen JM,Zhu SY,et al. Friction and wear behavior of Ni-based solid-lubricating composites at high temperature in a vacuum environment[J]. Materials and Design,2017-01-01,122:405-413.
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