Influence of Grain Size and Humidity on the Nanotribological Properties of Wear-Resistant Nanostructured ZrO2 Coatings: An Atomic Force Microscopy Study

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Tocha, Ewa and Schönherr, Holger and Vancso, G. Julius and Siebelt, Natasha (2005) Influence of Grain Size and Humidity on the Nanotribological Properties of Wear-Resistant Nanostructured ZrO2 Coatings: An Atomic Force Microscopy Study. Journal of the American Ceramic Society, 88 (9). pp. 2498-2503. ISSN 0002-7820

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Abstract:The nanotribological properties of nanostructured thin films of tetragonal ZrO2 on oxidized Si (100) were studied as a function of grain size and relative humidity (RH) by atomic force microscopy. The nanostructured ZrO2 showed a 50% decrease in friction coefficient μ compared with oxidized Si (100) in dry nitrogen atmosphere and 40% RH. A maximum of μ was observed at ca. 40% RH for both samples, while there were insignificant differences in μ for ZrO2 samples with grain sizes between 12 and 30 nm. The good tribological properties open the possibility for nanostructured zirconia to be applied as wear-resistant, low friction coatings on various materials.
Item Type:Article
Copyright:© 2005 Wiley InterScience
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/72011
Official URL:http://dx.doi.org/10.1111/j.1551-2916.2005.00459.x
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Metis ID: 228990