Abstract
The effects of some hydrocarbons on the head/disk interface were studied, with a new test system. Vapors of the contaminating hydrocarbons at the desired concentration and relative, humidity were continuously introduced into the test enclosure and the head/disk interfaces were subjected to accelerated start/stop tests. Tests with Mn-Zn ferrite heads and thin-film disks showed that diethylhexylphthalate (DEHP) induced high stiction/friction at the interface after 3500 start/stops. When palmitic acid vapors were introduced along with DEHP, the detrimental effects of DEHP were completely reduced. Presented as a Society of Tribologists and Lubrication Engineers paper at the STLE/ASME Tribology Conference in New Orleans, Louisiana, October 24–27, 1993
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