Abstract

This paper describes a study on the load bearing capacity of newly developed high density sintered metal gears. The surface properties of high density sintered metal gears were examined by measuring hardness and porosity near tooth surfaces. Running tests for case-carburized test gears of a high density sintered metal were performed. A failure mode and load bearing capacity of high density sintered metal gears were determined, and were compared with those of carburized wrought steel gears and conventional sintered metal gears.

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