The morphology and bonding characteristics of nanocrystalline diamond films prepared with different Ar:H ratios have been studied and are correlated to tribological performance. A coating made with high Ar:H ratio displayed low friction of 0.05 and very minimal wear, while the low Ar:H film showed high friction (> 0.2), rapid wear, and complete failure after 50 cycles. As both films had the same rms roughness, their different tribology appears to stem from a change in morphology.
Tribological Properties of Nanocrystalline Diamond Films With Different Nanoscale Morphology and Bonding Characteristics
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Winfrey, AL, Reising, SE, Bilbro, LS, Nemanich, RJ, Chromik, RR, & Wahl, KJ. "Tribological Properties of Nanocrystalline Diamond Films With Different Nanoscale Morphology and Bonding Characteristics." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 2. Washington, D.C., USA. September 12–16, 2005. pp. 403-404. ASME. https://doi.org/10.1115/WTC2005-63691
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