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Molecular dynamics (MD) calculations were used to simulate the sliding of a two-component 2D amorphous system interacting via Lennard–Jones potentials. The friction coefficient showed a transient before reaching an average steady state value. The steady state friction coefficient was observed to decrease with an increasing sliding velocity. Mixing was observed at the sliding interface. The mixed layer...
The unlubricated sliding characteristics of zirconium-based bulk metallic glass disks have been examined in vacuum and in air using sliders made from the same material or from a hard bearing steel (52100). The pin-on-disk test system allowed collection of debris, monitoring of the friction force and, using a Kelvin probe, in situ detection of changes in the structure and chemical composition of the...
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