Nanometer Scale Interfacial Lubrication Of Pfpe Lubricants Zdol And Awa At Hard Disk Interface
INTERNATIONAL JOURNAL OF NONLINEAR SCIENCES AND NUMERICAL SIMULATION(2002)
摘要
In this paper, we investigated the tribology performance of poly(fluroalkymethacrylate), which was usually used as anti-wetting agent (AWA). The decomposition of lubricant Z-DOL and the influence of AWA on decomposition or degradation of lubricant Z-DOL was investigated in details. The possible mechanics of the decomposition of PFPE lubricants Z-DOL and of the interaction among the AWA, Z-DOL, Diamond-like-carbon (DLC) layer and chemical environment at Head Disk Interface (HDI) was also discussed. Experimental results show that lubricant Z-DOL is easily picked up by the heads, and Z-DOL degraded thermally caused by friction forces at HDI. AWA on magnetic heads could reduce the meniscus formation and could block the transfer of lubricant Z-DOL from media.
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关键词
lubricant, friction, degradation, head disk interface, anti-wetting agent
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