| 摘要 |
Anti friction coating (4), for a multi-layered friction bearing (1), made from a tin-based alloy, which, in addition to tin, contains at least one element comprising antimony and copper as the main alloying element, optionally lead and/or bismuth, and unavoidable impurities originating from the elements during the making process, the proportion of antimony is at most 20 wt.%, the proportion of copper is at most 10 wt.% and the total proportion of lead and bismuth is at most 1.5 wt.% and the total proportion of copper and antimony is 2-22 wt.%, is claimed. Anti friction coating, for a multi-layered friction bearing, made from a tin-based alloy which, in addition to tin, contains at least one element comprising antimony and copper as the main alloying element, optionally lead and/or bismuth, and unavoidable impurities originating from the elements during the making process, and the proportion of antimony is at most 20 wt.%, the proportion of copper is at most 10 wt.% and the total proportion of lead and bismuth is at most 1.5 wt.% and the total proportion of copper and antimony is 2-22 wt.%, and tin is present in the form of inter metallic phases and as a tin phase with beta-tin grains, where the beta-tin grains in the tin-based alloy have at least one preferred orientation and an orientation index M{hkl} based on the equation as given in the specification, where at least one set of network levels M{hkl} has or exceeds the value of 3, is claimed. An independent claim is included for a multi-layered friction bearing, comprising at least one metal base layer (2), an anti-friction coating and optionally a bearing metal layer (3) disposed between the anti-friction coating and the metal base layer. |
