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444                                     摩   擦   学   学   报                                 第 41 卷

                                   表 2    不同表面层在载流润滑条件下的摩擦、磨损和接触电阻性能
              Table 2    Friction,wear and contact resistance properties of different surface layers under current carrying lubrication

                           Friction coefficient           Wear width/mm                Contact resistance/mΩ
             Surface
                    Lithium complex  Lithium complex  Lithium complex  Lithium complex  Lithium complex  Lithium complex
             layer
                                                          5
                                          11
                                                                                        5
                                                                        11
                                                                                                       11
                           5
                  grease(2.3×10  Ωcm)  grease(1.7×10  Ωcm)  grease(2.3×10  Ωcm)  grease(1.7×10  Ωcm)  grease(2.3×10  Ωcm)  grease(1.7×10  Ωcm)
              CrN       0.14           0.12           0.45           0.48            45             450
              TiN       0.20           0.11           0.60           0.20            50             150
              Ag        0.15           0.09           0.70           0.40            75             75
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