Abstract
High tin and aluminum alloy bearings can seize easily when used with nodular cast iron shafts. The process of seizure is studied and it is found that the burrs left around the graphite on the surface of the nodular cast iron shafts abrade the aluminum alloy and that embeded debris causes further transfer of the aluminum alloy, which leads to eventual seizure. In an attempt to remove the burrs and transferred aluminum alloy during operation, hard particles of Si are dispersed in the alloy bearings. This arrangement provides much higher seizure resistance than the conventional aluminum alloy bearings in sliding against nodular cast iron shafts.
