Table 1 Parameter changes under the action of different factors during friction.

From: Tribological study of amorphous polyethylene under different rough surfaces of chromium based on molecular dynamics simulation

Factors

Parameters

Normal load (P)

1 GPa, 2 GPa, 3 GPa, 4 GPa,5 GPa

Sliding velocity (V)

1 Å/ps, 1.5 Å/ps, 2 Å/ps, 2.5 Å/ps, 3 Å/ps

Height of rough peak of chrome plate

0 Å, 4 Å, 6 Å

Sliding friction time (t)

150 ps