空气/氮气气氛下电流和摩擦速度对C/C复合材料载流摩擦磨损性能的影响
Influences of Current and Friction Speed on Friction and Wear Performance with Current of C/C Composites under Air/Nitrogen Atmospheres
摘 要
在空气/氮气气氛下研究了电流、摩擦速度、载荷等试验参数对C/C复合材料载流磨损率和摩擦因数的影响,并对磨损表面的形貌和成分进行了观察和分析。结果表明:随着电流和摩擦速度增大,C/C复合材料的磨损率和摩擦因数均增大;相较于空气气氛,氮气气氛下的摩擦因数较高,磨损率较低;空气气氛中炭材料的氧化加剧了材料的磨损,使得磨损率较高,而摩擦过程中材料表面形成的氧化膜使得摩擦因数较低。
摩擦因数
磨损率
C/C composite
friction efficient
wear rate
Abstract
The effects of current,friction speed and load on wear rate and friction coefficient of C/C composites were investigated under air/nitrogen atmospheres,the morphology and component of worn surface were observed and analyzed. The results show that the wear rate and friction coefficient increase with the increase of current and friction speed,the friction coefficient in nitrogen atmosphere is higher than in air atmosphere,and the wear rate in nitrogen atmosphere is lower than in air atmosphere. The oxidation of carbon materials in air atmosphere increase the wear and result in the higher wear rate,and the oxide film formed on friction material surface makes the lower friction coefficient.
中图分类号 TH117.1
所属栏目 材料性能及其应用
基金项目 国家重点联合基金资助项目(U1034002);河南科技厅省院科技合作项目(112106000034);河南省科技厅资助项目(132300410222)
收稿日期 2013/12/26
修改稿日期 2014/12/11
网络出版日期
作者单位点击查看
备注张会杰(1986-),女,河南周口人,硕士研究生。
引用该论文: ZHANG Hui-jie,SUN Le-min,SHANGGUAN Bao,ZHANG Yong-zhen. Influences of Current and Friction Speed on Friction and Wear Performance with Current of C/C Composites under Air/Nitrogen Atmospheres[J]. Materials for mechancial engineering, 2015, 39(1): 94～97
张会杰,孙乐民,上官宝,张永振. 空气/氮气气氛下电流和摩擦速度对C/C复合材料载流摩擦磨损性能的影响[J]. 机械工程材料, 2015, 39(1): 94～97
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【7】杨晓伟,张永振,邱明,等.氮气气氛条件下钢铜摩擦副的摩擦磨损特性研究［J］.摩擦学学报,2001,27(1):25-28.
【8】邱明,张永振,杜三明,等.环境气氛对钢/铜摩擦副高速干摩擦行为的影响［C］//第六届全国表面工程学术会议.兰州:中国机械工程学会,2006:731-735.
【9】ANDERSSON J,ERCK R A,ERDEMIR A. Friction of diamond-like carbon films in different atmospheres［J］.Wear,2003,254:1070-1075.
【10】COTE P J,RICKARD C. Gas-metal reaction products in the erosion of chromium-plated gun bores［J］.Wear ,2000,241:17-25.
【11】LAWTON B. Thermo-chemical erosion in gun barrels［J］.Wear,2001,251:827-838.
【12】萧以德,王光雍,李晓刚,等.我国西部地区大气环境腐蚀性及材料腐蚀特性［J］.中国腐蚀与防护学报,2003,8(4):248-255.
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