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Journal of Materials Engineering and Performance

, Volume 8, Issue 6, pp 669–676 | Cite as

Fractal characterization of wear-erosion surfaces

  • J. Rawers
  • J. Tylczak
Article

Abstract

Wear erosion is a complex phenomenon resulting in highly distorted and deformed surface morphologies. Most wear surface features have been described only qualitatively. In this study wear surfaces features were quantified using fractal analysis. The ability to assign numerical values to wear-erosion surfaces makes possible mathematical expressions that will enable wear mechanisms to be predicted and understood. Surface characterization came from wear-erosion experiments that included varying the erosive materials, the impact velocity, and the impact angle. Seven fractal analytical techniques were applied to micrograph images of wear-erosion surfaces. Fourier analysis was the most promising. Fractal values obtained were consistent with visual observations and provided a unique wear-erosion parameter unrelated to wear rate.

Keywords

alumina analysis erosion fractal silicon carbide tribology wear 

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Copyright information

© ASM International 1999

Authors and Affiliations

  • J. Rawers
    • 1
  • J. Tylczak
    • 1
  1. 1.U.S. Department of EnergyAlbany Research CenterAlbany

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