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使用ANSYS软件对重载条件下服役的自润滑推力轴承进行了摩擦性能模拟,并对计算进行了地面试验验证和研究.结果表明:小于0.4mm厚的自润滑轴衬有利于减少轴承接触面的应力,降低摩擦因数,减少轴衬的厚度,提高轴衬材料的压缩强度、热导率等有利于降低轴衬材料的工作温度,提高轴衬的使用寿命.Nomex/PTFE复合自润滑材料的摩擦因数随载荷的增加而稳定降低,在145 MPa的重载荷下出现0.017极低摩擦因数.

参考文献

[1] David L. Burris;W. Gregory Sawyer .A low friction and ultra low wear rate PEEK/PTFE composite[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2006(3/4):410-418.
[2] Xiang D H;Shan K L .Friction and wear behavior of self-lubricating and heavily loaded metal-PTFE composite[J].Wear,2006,260:1112-1118.
[3] Unal H;Mimaroglu A;Kadioglu U et al.Sliding friction and wear behavior of politetrafluoethlene and its composites under dry conditions[J].Materials & Design,2004,25:239-245.
[4] Samya P;Beets P D;Schoukens G et al.Large-scale tests on friction and wear of engineering polyness for material selection in highly loaded sliding systems[J].Materials & Design,2006,27:535-555.
[5] Wang C B;Yan M F;Wang Y .The influence of metal surface composite on the tribology properties of filled PTFE/steel composite[J].Tribology,2004,37:645-650.
[6] Sayer W G;Freudeberg K D;Bhimeraj P et al.A study on the friction and wear behavior of PTFE filled with alumina nanoparticls[J].Wear,2003,254:573-580.
[7] Su F H;Zhang Z Z;Guo F et al.Effects of solid lubrications on friction and wear properties of Nomex fabric composites[J].Mater Sci Engrg A,2006,424:333-339.
[8] Watanabe S;Noshiro J;Miyake S .Tribological characteristics Of WS2/MoS2 solid lubricating multilayer films[J].Surface & Coatings Technology,2004(2/3):347-351.
[9] Cohen S R;Rapport L;Ponomarev E A et al.The tribological behavior of type Ⅱ textured MX2 (M =Mo,W;X =S,Se) films[J].Thin Solid Films,1998,324:190-197.
[10] 向定汉,潘青林,姚正军.聚四氟乙烯自润滑编织复合材料关节轴承的摆动摩擦磨损性能研究[J].摩擦学学报,2003(01):72-75.
[11] 陈家庆,姚振汉,谭春飞,王镇泉.滑动轴承二维动态摩擦接触的分析研究[J].摩擦学学报,2000(01):50-54.
[12] Wojciech Wieleba .The role of internal friction in the process of energy dissipation during PTFE composite sliding against steel[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2005(5/6):870-876.
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