Composite material for plain bearing elements with an overlay of aluminum-based bearing material
Patent 4973523 Issued on November 27, 1990. Estimated Expiration Date: 
February 23, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 23, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2586100 2741018 3545943 3576832 Aluminum bearing alloy Patent #: 4822561 InventorsApplicationNo. 484223 filed on 02/23/1990US Classes:428/653, Fe384/912, Metallic420/529, Copper containing420/530, Tin containing420/554, Cadmium, lead, or bismuth containing428/654Next to Al-base componentExaminersPrimary: Morris, TheodoreAssistant: Koehler, Robert R. Attorney, Agent or FirmForeign Patent References
International ClassesC22C 021/12C22C 021/00 B32B 015/10 Foreign Application Priority Data1989-03-01 DEAbstractComposite material for plain bearing elements of a type having a metallic backing and an overlay of aluminum-based bearing material applied on the back. The bearing material is a heterogeneous aluminum alloy having a matrix containing in addition to aluminum, nickel, manganese, and copper. There is dispersed within the matrix, segregated tin or segregated lead, in an amount of from 0.5% to 20% by weight in the case of tin. The matrix contains hard particles of nickel, manganese, nickel-manganese, and alloys of nickel-manganese, and are located in the bonding regions between the matrix and the segregated tin or segregated lead. The segregated tin or segregated lead deposits are substantially free of hard particles. The hard particles are substantially of a dimension ࣘ5 um. and are present in a quantity of less than 5 hard particles of a dimension ࣙ5 um. in a cube-shaped volume element, the edge of which is 0.1 mm. long. | |
