A mechanical test which is believed to simulate the conditions occurring in sliding wear is described. It involves the cyclic plastic deformation of metals under combined compression and shear. The results of tests on six alloys are reported and correlated with those from wear tests. On this basis, an expression is proposed for the sliding wear rate which is based on material behavior during cyclic plastic deformation and involves three material properties. The implications of this expression for the wear rate are discussed and directions for future work are suggested.

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