Wear Mechanisms of Boundary Lubricated Surfaces

S. Jahanmir, “Wear Mechanisms of Boundary Lubricated Surfaces,” Wear, 73 (1981) 169-183.

Examination of steel specimens tested under boundary lubrication conditions indicates the existence of three distinct processes which lead to wear particle formation: deformation and fracture of original machining marks; deformation and fracture of edges of plowing tracks; delamination. Deformation and fracture of original machining marks and the raised edges of the plowing furrows generate wear particles which are 1–15 μm in the largest dimension. The process of delamination, however, generates particles that are 100 μm wide. The formation of these large wear particles coincides with a high rate of wear and scuffing failure.

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