Patent ID: 6379819
Filing Date: 2002-04-30
Classification: C22C,F16C,Y10S,Y10T

Abstract:
A sliding bearing composite material comprising a hard metal support layer and a metal sliding layer, roll-bonded onto the support layer, the sliding layer made from an aluminum alloy and being in direct con tact with the sliding partner, the Aluminum alloy consisting of:10 to 25 mass % tin, copper, nickel, the balance being aluminum, with a total impurity content of at most 1 mass % and of at most 0.2 mass % per impurity element, wherein copper and nickel each comprise a portion of 0.2 to 2 mass % and wherein a ratio of a mass % portion of copper to a mass % portion of nickel is between 0.8 and 1.2 to form an inter-metallic phase Al3 (Ni, Cu) of hard substance precipitates.