Development of ceramic roller-bushings for diesel …
Fig. 2 shows the roller-ring subassembly for a distributor-type fuel injection pump together with metal roller, metal roller-pin and ceramic roller-bushing. Silicon nitride (Si 3 N 4) is used as the ceramic material and its mechanical properties are shown in Table 1 [6].The surface roughness of the inner and outer surface for ceramic roller-bushings matches the standard …
