Multilayer aluminum-based alloy bearing having superior compatibility and superior fatigue resistance
Patent 5362574 Issued on November 8, 1994. Estimated Expiration Date: 
April 27, 2013. 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.
April 27, 2013. 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 3195991 Sliding friction bearings Multiple-layer metal bearing for use in a large-size engine Bearing metal for large engines Aluminum based alloy bearing having strengthened intermediate bonding layer Aluminum-based bearing alloy with excellent fatigue resistance and anti-seizure property Patent #: 5162100 InventorsAssigneeApplicationNo. 052679 filed on 04/27/1993US Classes:428/643, Pb- and Sn-base components: alternative to or next to each other384/912, Metallic428/653, Fe428/654Next to Al-base componentExaminersPrimary: Zimmerman, John J.Attorney, Agent or FirmForeign Patent References
International ClassF16C 033/12Foreign Application Priority Data1992-04-28 JPAbstractA multilayer aluminum-based alloy plain bearing having superior compatibility and superior fatigue resistance, comprising a steel back metal, an aluminum alloy intermediate bonding layer bonded to the steel back metal, and an Al--Sn--Si family bearing alloy layer bonded to the intermediate bonding layer, the aluminum bearing alloy layer consisting, by weight, of 7 to 15% Sn, 0.5 to 3% Si, and the balance Al and incidental impurities, the hardness of the aluminum bearing alloy layer being less than 50 Vickers hardness, the aluminum alloy intermediate bonding layer consisting, by weight, of at least one kind selected from the group consisting of 0 to 1.7% Mn, 0 to 1.2% Cu and 0 to 1.8% Mg, and the balance Al and incidental impurities, Vickers hardness of the aluminum alloy intermediate bonding layer being in a range of not less than 60% of the Vickers hardness of the aluminum bearing alloy layer but not more than 120% of the Vickers hardness of the aluminum bearing alloy layer. | |
