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二氧化硅单晶在干摩擦及醇润滑下的摩擦学行为及机制
Friction and Wear of SiO2 Under Dry Sliding and Lubricated Condition
【Author】 Zhang Wenguang Liu Weimin (Laboratory of Solid Lubrieation,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou,Gansu 730000) Liu Chengye (Huaihai Institute of poly-technic,Lianyungang,Jiangsu 222005)
【机构】 中国科学院兰州化学物理研究所固体润滑开放实验室； 淮海工学院；
【摘要】 利用 SRV 球-盘磨损试验机考察了 SiO2单晶/GCr15钢球在干摩擦及正丁醇、正癸醇润滑下的摩擦学性能。结果表明,与干摩擦相比,正丁醇及正癸醇不但降低了 SiO2单晶/GCr15钢球摩擦副的摩擦系数并大大降低了 SiO2单晶的磨损体积,其中正癸醇的效果尤其明显。用 EP- MA 对其摩擦磨损机理做了进一步研究。分析结果表明,在干摩擦条件下,SiO2单晶主要发生了磨粒磨损;在正丁醇及正癸醇润滑下则主要发生了磨粒磨损及摩擦化学磨损,SiO2单晶的摩擦磨损性能同摩擦化学反应膜的剪切强度有关。
【Abstract】 The tribological properties of SiO2/GCr15 both in dry air,1-butanoland 1-decanol were carried out using SRV ball-on-disk test rig.The tribological test results demonstrate that 1-butanol and 1-decanol re- duce the friction coefficient and wear volume of SiO2 significantly as compared with dry sliding condition.EP- MA have been utilized to explore the mechanisms.Analyses of worn surface indicates that under dry air con- dition,the major wear mechanism of SiO2 is abrasive wear;whereas under lubricated condition,the main wear mechanism of SiO2 is abrasive and tribochemical wear.
【Key words】 SiO2 single crystal； friction and wear； wear mechanism； tribochemistry；
- 【会议录名称】 第五届全国青年摩擦学学术会议论文集
- 【会议名称】第五届全国青年摩擦学学术会议
- 【会议时间】1999-10
- 【会议地点】中国江苏徐州
- 【分类号】TH873.6
- 【主办单位】中国机械工程学会摩擦学学会青年摩擦学专业委员会