脂润滑条件下闸门底枢摩擦副磨损失效评价
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摘要
采用摩擦磨损试验机,获得了QAL9-4/40Cr和ZCuAl8Mn13Fe3/40Cr两种闸门底枢摩擦副在不同接触应力的脂润滑条件下的摩擦学特性,并运用灰色系统理论GM(1,1)模型对其达到许用磨损量的磨损失效进行了评价。低速重载条件下,两种摩擦副的实际接触应力在许用应力之下时,其磨损形式均以犁切为主,且磨损量随接触应力的增大而增大,摩擦因数随着接触应力的增大而减小;反之,其磨损形式均以黏着为主,且磨损速度、摩擦因数均会急剧增加。受同一接触应力作用时,QAL9-4/40Cr具有更好的耐磨性。理论模型对磨损失效的预测结果与实测值吻合度达到95%。
Friction and wear testing machine was used to obtain tribological properties of QAL9-4/40 Cr and ZCuAl8 Mn13 Fe3/40 Cr under different contact stresses under conditions of grease lubrication. Grey system theory GM(1,1) model which evaluated allowable wear amounts of wear failure was applied. When actual contact stresses of the two copper-based friction pairs are below allowable stresses under low-speed and heavy-load conditions, wear patterns are mainly plough-cut; wear amount increases and friction coefficient decreases, when the contact stresses increase. On the contrary, the wear patterns are mainly sticky, and the wear rate and friction coefficient increase sharply. Under low-speed and heavy-load, QAL9-4/40 Cr has better wear resistance when two copper base friction pairs are subjected to the same contact stresses. Coincidence of the theoretical predicts and the test results attend 95%.
Friction and wear testing machine was used to obtain tribological properties of QAL9-4/40 Cr and ZCuAl8 Mn13 Fe3/40 Cr under different contact stresses under conditions of grease lubrication. Grey system theory GM(1,1) model which evaluated allowable wear amounts of wear failure was applied. When actual contact stresses of the two copper-based friction pairs are below allowable stresses under low-speed and heavy-load conditions, wear patterns are mainly plough-cut; wear amount increases and friction coefficient decreases, when the contact stresses increase. On the contrary, the wear patterns are mainly sticky, and the wear rate and friction coefficient increase sharply. Under low-speed and heavy-load, QAL9-4/40 Cr has better wear resistance when two copper base friction pairs are subjected to the same contact stresses. Coincidence of the theoretical predicts and the test results attend 95%.
引文
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[2] 许明.QT600-3材料为船闸闸门底枢蘑菇头帽的模拟磨损研究[J].价值工程,2014,33(26):23-25.XU Ming.On Wear Simulation of QT600-3 Material Used for Mushroom Headgear of Lock Gate Bottom Pivot[J]. Value Engineering,2014,33(26):23-25.
[3] 邢述炳,黄珑,朱召泉.船闸人字闸门浮箱的设置方法[J]. 水运工程,2016(8):112-118.XING Shubing,HUANG Long,ZHU Zhaoquan.Methods of Setting Buoyancy Tank for the Miter Gate of Ship Lock[J]. Port & Waterway Engineering,2016(8):112-118.
[4] RAJKUMAR K,ARAVINDAN S,KULKA-RNI M S. Wear and Life Characteristics of Microwave-sintered Copper-graphite Comosite[J]. Journal of Materials Engineering & Performance,2012,21(11):2389-2397.
[5] 李宝民,徐成海,闫玉涛.脂润滑条件下滑动轴承合金耐磨性能的研究[J].铸造,2009, 58(9):944-946.LI Baomin,XU Chenghai,YAN Yutao.Comparative Study on Wear Resistance of Sliding Bearing Alloys under Grease Lubrication[J].Foundry,2009,58(9):944-946.
[6] 濮春欢,徐滨士,王海斗,等.不同载荷下3Cr13不锈钢涂层磨损寿命研究[J].摩擦学学报,2010,30(1):75-79. PU Chunhuan,XU Binshi,WANG Haidou,et al.Wear Lifetime of 3Cr13 Stainless Steel Coating under Various Loads[J].Tribology,2010,30(1):75-79.
[7] XU Jielin,PENG Zengxiong,WANG Nan,et al. Experimental Research of Scuffing of Friction Pair[J]. Applied Mechanics and Materials,2015,697:254-257.
[8] 谢友柏. 摩擦学系统的系统理论研究和建模[J]. 摩擦学学报,2010,30(1):1-8.XIE Youbai. On the System Theory and Modeling of Tribo-systems[J]. Tribology,2010,30(1): 1-8.
[9] 水电站机电设计手册编写组.水电站机电设计手册金属结构(一)[M].北京:水利水电出版社,1988.Hydropower Plant Electromechanical Design Manual Compilation Team. Hydropower Plant Electromechanical Design Manual Metal Structure(1)[M].Beijing:Water Conservancy and Hydropower Press,1988.
[10] 杨全鹏,黄平.销盘磨损数值计算及结果分析[J].润滑与密封,2017,42(2):22-28.YANG Quanpeng,HUANG Ping.Numerical Calculation of Wear Behavior of Pin and Disk[J].Lubrication Engineering,2017,42(2):22-28.
[11] 雷小宝,廖文和,谢峰,等.义齿用预烧结氧化锆高速铣削时刀具磨损及寿命预测[J].南京理工大学学报,2013,37(4):567-572.LEI Xiaobao,LIAO Wenhe,XIE Feng, et al.Predict on Cutter Wear and Life in High-speed Milling of Pre-sintered Zirconia Used for Dentury[J].Journal of Nanjing University of Science and Technology,2013,37(4):567-572.
[12] 刘菁,朱良,冯刚.计量活门磨损寿命预测[J].航空动力学报,2015,30(8):1975-1979.LIU Jing,ZHU Liang,FENG Gang.Metering Valve Abrasion Life Prediction[J].Journal of Aerospace Power,2015,30(8):1975-1979.
[13] 唐鸿远,张臻,邓运来,等.基于灰色系统理论的Al-Zn-Mg合金板材疲劳寿命预测[J].上海交通大学学报,2018,52(2):228-232.TANG Hongyuan,ZHANG Zhen,DENG Yunlai,et al. Prediction for Fatigue Life of Al-Zn-Mg Alloy Based on Grey System Theory[J].Journal of Shanghai Jiaotong University,2018,52(2):228-232.
[14] 刘思峰,曾波,刘解放,等.GM(1,1)模型的几种基本形式及其适用范围研究[J].系统工程与电子技术,2014,36(3):501-508.LIU Sifeng,ZENG Bo,LIU Jiefang,et al. Several Basic Models of GM(1,1) and Their Applicable Bound[J]. Systems Engineering and Electronics,2014,36(3):501-508.