| 摘要 |
<p>A sliding bearing for engine applications, in particular a sliding bearing shell for the mounting of the crankshaft or the camshaft or for use as a connecting-rod bearing shell, has a metallic supporting layer and, applied on top of that, a bearing metal layer of aluminum alloy, copper alloy or brass, the bearing metal layer having an 8-20 mum thick PTFB-free PAI-based coating applied on top of it, the PAI-based coating having 5-15% by weight zinc sulphide, 5-15% by weight graphite and 5-15% by weight TiO2 with the ratio of zinc sulphide and graphite respectively to TiO2 in terms of their percentage by weight being 0.6-1.4 and the zinc sulphide and TiO2 being present in a particle size of @0.7 mum.</p> |
