平行滑块表面矩形-半球型复合织构润滑性能研究  

Study on the Lubrication Performance of Rectangular-spherical Compound Texture on the Surface of Parallel Slider

作　　者：胡宇 王优强 菅光霄 左名玉 房玉鑫 莫君 HU Yu;WANG Youqiang;JIAN Guangxiao;ZUO Mingyu;FANG Yuxin;MO Jun(School of Mechanical and Automotive Engineering,Qingdao University of Technology,Qingdao Shandong 266520,China;Key Lab of Industrial Fluid Energy Conservation and Pollution Control,Ministry of Education,Qingdao Shandong 266520,China)

机构地区：[1]青岛理工大学机械与汽车工程学院,山东青岛266520 [2]工业流体节能与污染控制教育部重点实验室,山东青岛266520

出　　处：《润滑与密封》2021年第9期54-60,74,共8页Lubrication Engineering

基　　金：国家自然科学基金项目(51575289);山东省重点研发计划项目(2019GHY112068);山东省自然科学基金项目(ZR2019PEE028).

摘　　要：研究仿生硅藻的多级孔结构——矩形与半球型结合的复合型织构对平行滑块润滑性能的影响。通过建立矩形-半球型的复合型织构单个单元模型,采用双向流固耦合的方法,分析两滑动表面在不同面积率和织构深度条件下的摩擦润滑性能。结果表明:织构表面摩擦因数随着面积率的增大而减小,承载力随着面积率的增大先增大后减小,在考虑摩擦性能与承载力的条件下,矩形-半球型复合型织构的面积率应控制在25%~36%之间;在确定合适的面积率的条件下,还应考虑不同的织构深度所产生的旋涡的影响。The effect of the multi-stage pore structure of biomimetic diatoms,which is the combination of rectangular and spherical texture,on the lubrication performance of parallel slider was studied.By establishing a single element model of rectangular-spherical compound texture,the friction and lubrication properties of two sliding surfaces with different area ratio and texture depth were analyzed by using the method of bi-directional fluid-solid coupling.The results show that the friction coefficient of textured surface decreases with the increase of area ratio,and the bearing capacity first increases and then decreases with the increase of area ratio.The area ratio of the rectangular-spherical compound texture should be controlled between 25%and 36%under the condition of considering the friction property and bearing capacity.Under the condition of determining the appropriate area rate,the influence of vortices produced by different texture depths should also be considered.

关 键 词：复合织构 流体动压润滑 流固耦合 摩擦性能 

分 类 号：TH117[机械工程—机械设计及理论]