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(A) Pin-plate articulating couple used in polyethylene-stainless steel reciprocating wear tester. The parallel scratches on surface of the metal platen are spaced 150 μm apart. (B) The corresponding polyethylene continuum mesh (white) and analytical scratched stainless steel surface (gray) utilized in the finite element model. (C) Enlarged view illustrating the spatial refinement of the polyethylene mesh in the region used for data registry.
