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Abstract
The tribology of the head/disk interface has been studied for lubricated and unlubricated carbon-overcoated disks in an environmental test chamber which allowed independent control of temperature, humidity and gas composition. Constant speed drag tests were performed in air, nitrogen and carbon dioxide for lubricated and unlubricated disks in various environmental conditions, including very low and very high humidities and elevated temperature. It was found that gas composition affects the frictional behavior of unlubricated disks at low humidities but not at intermediate and high levels of humidity. In addition, it was found that unlubricated disks exhibit lower friction and longer lifetime at intermediate levels of humidity than at very low or high humidities. The frictional behavior of lubricated disks was also found to be strongly affected by relative humidity and temperature but not by gas composition.
Presented as a Society of Tribologists and Lubrication Engineers paper at the STLE/ASME Tribology Conference in Kissimmee, Florida, October 8–11, 1995
Notes
Presented as a Society of Tribologists and Lubrication Engineers paper at the STLE/ASME Tribology Conference in Kissimmee, Florida, October 8–11, 1995
