Project(59972009)supported by the National Natural Science Foundation of China
Four kinds of high-resistivity carbon brushes with MoS2 contents of 0%,2%,4%and 6%(mass fraction)were prepared, respectively.Wear tests of brushes were conducted on an alternate current(AC)motor.Scanning electron micr...
Project(59972009) supported by the National Natural Science Foundation of China
Carbon brushes with a resin binder were prepared according to an industrial process and the effects of the molding pressure, grains size and cure temperature on the properties of brush samples were discussed. The resu...
Project (59972009) supported by the National Natural Science Foundation of China
Cu-coated graphite composites were prepared by an electroless plating method,and the composites were examined by scanning electron microscopy(SEM). The copper content of the composites was measured to reach 73%(mass f...