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Study of formation and development of lubricant bridge in head-disk interface using molecular dynamic method

机译:用分子动力学方法研究磁头-磁盘界面润滑剂桥的形成与发展

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The lubricant bridge connecting the slider and disk will significantly deteriorate the read-write stability of the hard disk driver (HDD). This paper builds a model of disk-lubricant-slider system. The coarse-grained bead-spring model is used to represent perfluoropolyethers (PFPE) molecules. And the molecular dynamic method is used to study the formation time and the molecule number of the lubricant bridge under different disk rotation speeds and slider flying heights. Furthermore, the influence of the lubricant bridge on the pressure acting on the slider pad is also studied.
机译:连接滑块和磁盘的润滑剂桥将大大降低硬盘驱动器(HDD)的读写稳定性。本文建立了盘式润滑滑块系统的模型。粗粒珠弹簧模型用于表示全氟聚醚(PFPE)分子。并用分子动力学方法研究了不同盘转速和滑块飞行高度下润滑剂桥的形成时间和分子数。此外,还研究了润滑剂桥对作用在滑块上的压力的影响。

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