Abstract
Lubrication by extremely thin liquid film has become very important in micro machine, magnetic storage device and so on. When the thickness of lubricant film is thinned to several nanometers, the conventional theories of lubrication cannot be used any more. Molecular dynamics simulation was carried out in the present study to investigate the tribological characteristics of extremely thin film. For high load, namely at small separation, slip is observed near the wall, and friction force vibrates periodically. This result shows that periodical vibration of friction force is caused by stick-slip.
