DLC-PFPE固液复合润滑体系的摩擦磨损性能研究

材料导报

2020, Vol. 34

Issue (Z1): 567-571

高分子与聚合物基复合材料

DLC-PFPE固液复合润滑体系的摩擦磨损性能研究

徐骏¹, 朱立坚², 刘刚¹, 宋炳坷¹

1 上海卫星装备研究所,上海 200240;
2 上海新力动力设备研究所,上海 200125

Research on Friction and Wear Properties of DLC-PFPE Solid-Liquid CompositeLubrication System

XU Jun¹, ZHU Lijian², LIU Gang¹, SONG Bingke¹

1 Shanghai Institute of Spacecraft Equipment, Shanghai 200240, China;
2 Shanghai Xinli Power Equipment Institute, Shanghai 200125, China

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摘要良好的润滑性是确保空间运动部件在轨工作寿命和可靠性的关键因素之一。目前空间运动机构多采用单一的固体润滑或油脂润滑,但两种方式均存在缺陷,无法满足新一代长寿命、高可靠航天器的需求。为延长空间润滑的寿命及提高其可靠性,本实验研究了类金刚石(DLC)薄膜的沉积工艺参数——丁烷、氩气流量以及负偏压和溅射功率对全氟聚醚润滑剂(PFPE)油脂条件下DLC薄膜的摩擦磨损性能与行为的影响机制,在此基础上确定了DLC薄膜的最佳沉积工艺。对DLC-PFPE固液复合润滑体系进行摩擦磨损性能测试,测得大气环境下其摩擦系数不高于0.15,摩擦磨损寿命不短于2.1×10⁶ r;真空环境下摩擦系数小于0.1,摩擦磨损寿命不短于2.11×10⁶ r。

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	徐骏
	朱立坚
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	宋炳坷

关键词: DLC-PFPE 沉积工艺固液复合润滑协同效应摩擦磨损

Abstract: Good lubrication is the key to ensure the life and reliability of space moving parts. At present, space motion mechanisms use a single solid lubrication or grease lubrication which has its own defects. In this paper, aiming to improve the life and reliability of space lubrication, effects of deposition process parameters on the friction and wear properties and behavior of diamond-like carbon (DLC) films under PFPE grease lubrication conditions were investigated. Based on the above research, the optimal deposition process of the DLC film was determined. The friction and wear test of solid-liquid composite lubrication system was carried out. Result showed that the friction coefficient was less than 0.15, the friction life was more than 2.1×10⁶ r at atmospheric environment; and the friction coefficient was less than 0.1, the friction life was more than 2.11×10⁶ r at vacuum environment.

Key words: DLC-PFPE deposition process solid-liquid composite lubrication synergistic effect friction and wear

发布日期: 2020-07-01

ZTFLH:

TH117

基金资助: 国家重点研发计划(2017YFA0204600);上海航天自主研发项目(ZY2018-65)

作者简介: 徐骏,高级工程师,2013年于中国科学院大学获得博士学位。2013年至今就职于上海卫星装备研究所,主要从事卫星制造技术及空间综合环境仿真与试验等相关工作。发表论文10篇,申请专利5项。

引用本文:

徐骏, 朱立坚, 刘刚, 宋炳坷. DLC-PFPE固液复合润滑体系的摩擦磨损性能研究[J]. 材料导报, 2020, 34(Z1): 567-571.
XU Jun, ZHU Lijian, LIU Gang, SONG Bingke. Research on Friction and Wear Properties of DLC-PFPE Solid-Liquid CompositeLubrication System. Materials Reports, 2020, 34(Z1): 567-571.

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http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2020/V34/IZ1/567

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