Method of heat treating bearing materials

Details Method of heat treating bearing materials Method of heat treating bearing materials

B - Operations, Transporting

22

F

13/9

B22F 7/04 (2006.01) B22F 3/24 (2006.01) C22F 1/04 (2006.01)

Patent

CA 1278154

METHOD OF HEAT TREATING BEARING MATERIALS ABSTRACT An improved method of producing a powdered metal aluminum base bearing material is provided. A bearing strip composed of three layers of sintered aluminum base particles which has been roll clad to a rigid backing layer is subjected to n heat treatment procedure in a continuous manner at a temperature of from about 700° F to about 900° F for at least thirty seconds and then cooled at n rate of at least 100° F/hr. Bearings made from the resulting material show dramatic fatigue life improvement in comparison to that obtainable with currently available powdered metal aluminum bearing materials.

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