Tribological and Mechanical Characterization of Carbon-Coated Sliders and DisksReportar como inadecuado

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Tribology Letters

, Volume 40, Issue 1, pp 23–29

First Online: 15 October 2009Received: 27 July 2009Accepted: 28 September 2009


Tribological and mechanical properties of carbon-coated sliders and disks manufactured by various vendors were evaluated using atomic force microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, and nano-indentation testing in the presence of ultrasonic excitation. The Raman spectra of carbon-coated sliders were found to differ significantly from the Raman spectra of carbon-coated disks. The tribological properties of carbon-coated commercially available sliders did not show substantial differences regardless of the manufacturer. The same result was observed for commercially available disks manufactured by different manufacturers. Dynamic nano-indentations in the presence of ultrasonic excitation indicate discontinuities which are correlated to overcoat thickness.

KeywordsCarbon overcoat Raman spectroscopy Atomic force microscopy Roughness measurement  Download fulltext PDF

Autor: R. Brunner - F. E. Talke


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