| 摘要 |
The invention relates to a big-end bearing shell or bushing for internal combustion engines or to a main bearing shell for crankshaft mounting in internal combustion engines, made of a sliding bearing composite material having a metal, preferably steel support layer and a metal sliding layer applied thereto. The sliding bearing composite material is suitable for all applications cited and the sliding layer is made up of a copper zinc alloy with 10-25 wt. % Zn, 1-3 wt. % Mn, 1-3 wt. % Ni, 2-6 wt. % Fe; the remainder being copper, and impurity elements, respectively accounting for a maximum of. 0.1 wt. %, corresponding to a maximum overall sum of 1 wt. % and the sliding layer is exclusively crystallised in the alpha -phase. |
