Paper Title:
Anti-Wear and Friction-Reducing Characteristics of Two Kinds of Ceramic Additives
  Abstract

Two kinds of ceramic additives have been developed that one is the serpentine particles and another is a blend of serpentine particles and catalyst. The tribological properties of the addition of different additives are investigated through a series of friction and wear experiments. Wear surface and the composition of the tribofilm were examined by SEM, EDS and XPS. In case of single serpentine additive, tribo-film can be formed gradually on the worn metal surface. The friction coefficient is about 0.11. The tribofilm mainly consists of Mg and Si elements transferred from the additive. This can compensates part of wear mass loss, avoids the direct contact of the two rubbing surfaces, and thus effectively improves the anti-wear characteristics. In case of the blend oil additive, the tribo-film formed obviously on the worn surface in the initial stage and no obvious film at end of the test. However, the friction coefficient can lower even to 0.007~0.008 compared with the above experiment. The worn surface becomes very smooth. Chemical analysis shows that there is a very thin film of carbon concentration with thickness of 30~50nm on the worn surface. Existence of the very thin carbon-concentrated film and mirror-like surface generates super low friction coefficient.

  Info
Periodical
Advanced Materials Research (Volumes 139-141)
Edited by
Liangchi Zhang, Chunliang Zhang and Tielin Shi
Pages
274-279
DOI
10.4028/www.scientific.net/AMR.139-141.274
Citation
Y. Z. Gao, J. T. Wang, S. Y. Liu, H. C. Zhang, "Anti-Wear and Friction-Reducing Characteristics of Two Kinds of Ceramic Additives", Advanced Materials Research, Vols. 139-141, pp. 274-279, 2010
Online since
October 2010
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Price
$32.00
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