摘要
以新型的十二烷基三甲氧基硅烷(DTMS)/钼金属有机框架(Mo-MOFs)固体润滑涂层处理后的飞行器航电微器件为研究对象,单纯DTMS涂层处理器件为参考对象,首先通过正交微摩擦测试得到一系列不同载荷和摩擦速率下的表面磨损量,在此基础上建立了定量的Archard磨损本构模型.利用MSC.MARC软件对DTMS/Mo-MOFs和DTMS涂层处理后的微器件表面进行有限元模拟对比实验,并在高次来回摩擦预设条件下,研究不同载荷以及相对速率对涂层磨损率的影响,以及不同摩擦部位的磨损量.结果表明复合涂层提高了微器件表面的润滑性能,降低了接触面的滑动摩擦系数,当载荷以及相对速率增大时,涂层的磨损率也随着增大,且往复摩擦实验表明,涂层表面中间部位磨损最大.
Taking micro-parts used in aircraft electrical devices treated by Dodecyltrimethoxysilane(DTMS)/Mo-metal organic frameworks(Mo-MOFs)coatings as the research object,and DTMs treated devices as the reference object,a series of wear amounts under different loads and friction rates were obtained by orthogonal micro friction experiments,and the quantitative Archard wear model equation was established.Then MSC.MARC software was used to perform the simulating comparison experiment.The influence of load and relative rate on the wear degree of DTMS/Mo-MOFs coating and the wear amount of different wear parts were studied under the preset conditions of high-order back and the forth frictions.The results show that the composite coating improves the lubrication performance of the micro device surface and reduces the sliding friction coefficient of the contact surface.The wear rate of the coating increases with the load and relative speed,and the reciprocating friction experiment shows that the wear of the middle part of the coating surface is the largest.
作者
曹志勇
龚闯
魏长伟
宋子铉
龚浩
屈钧娥
金俊松
王新云
CAO Zhiyong;GONG Chuang;WEI Changwei;SONG Zixuan;GONG Hao;QU Jun’e;JIN Junsong;WANG Xinyun(School of Materials Science and Engineering,Ministry-of-Education Key Laboratory of Green Preperation and Application for Functional Materials,Hubei University,Wuhan 430062,China;School of Materials Science and Engineering,State Key Laboratory of Meterials Processing and Die&Mold Technology,Huazhong University of Science and Technology,Wuhan 430074,China;Wuhan Changchen New Material Co.Ltd,Wuhan 430070,China)
出处
《湖北大学学报（自然科学版）》
CAS
2021年第3期308-314,共7页
Journal of Hubei University：Natural Science
基金
国家自然科学基金(1675201)
材料成形与模具国家重点实验室基金(P2019-021,P2020-016)资助。
