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Tribological investigations of metallic layers of flexible substrates

机译:柔性基板金属层的摩擦学研究

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摘要

The tribological behavior of unprotected thin metallic layers on flexible substrates was studied in sliding contact with magnetic heads. Microscopic investigations of the wear mechanism give evidence that microploughing of the metallic layer with plastic deformation of the substrate takes place during the first passes of the magnetic head. Subsequent surface fatigue of the layer system initiates debris, which causes a drastic increase of the coefficient of friction and a sudden decrease of the readout signal. Key parameters for improving the lifetime are the reduction of defects and the evolution of reliable lubricating top coatings.
机译:研究了与磁头滑动接触时柔性基板上未保护的薄金属层的摩擦学行为。磨损机理的微观研究表明,在磁头的初次通过过程中,金属层由于基体的塑性变形而发生了微犁。层系统随后的表面疲劳会引发碎屑,这会导致摩擦系数的急剧增加和读数信号的突然减小。延长使用寿命的关键参数是减少缺陷和发展可靠的润滑面漆。

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