This work presents the results of a Finite Element Analysis (FEA) used to simulate two-dimensional (2D) sliding between two interfering elasto-plastic cylinders, one with material properties of a tougher material (copper alloy Glidcop) and the other of a relatively weaker material (aluminum alloy Al 6061-T651). Trends in the deformations, reaction forces, stresses, and net energy losses as a function of sliding distance are established. Results for both frictionless and frictional sliding are presented and comparisons are drawn. The effects of plasticity and friction on energy loss during sliding are isolated.

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