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Journal of Materials Science

, Volume 41, Issue 17, pp 5739–5742 | Cite as

Fractal geometry of fracture surfaces of a duplex stainless steel

  • O. A. Hilders
  • M. Ramos
  • N. D. Peña
  • L. Sàenz
Letter

It is well-known that the micromechanisms of fracture affect the fracture resistance, leaving characteristic information to be collected from the fracture surface. Such qualitative information may be useful in failure interpretation and prevention. On the other hand, since fracture surfaces are irregular microstructures, a prediction of mechanical properties cannot be made by quantitative measurements of fracture features because of the difficulty in arriving at a numerical characterization of the structure. Nevertheless, since Mandelbrot [1] classified the fracture surfaces of metals as approximately fractal, quantitative characterization of their morphological features has rapidly started to be applied in research through a parameter called fractal dimension D, a descriptor of the surface tortuosity with which material properties can be correlated [2, 3, 4, 5, 6, 7, 8]. Most investigators have found that the fracture profiles does have a fractal character [9, 10, 11, 12] and can be...

Keywords

Fracture Surface Impact Toughness Duplex Stainless Steel Charpy Impact Test Dimple Size 

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • O. A. Hilders
    • 1
  • M. Ramos
    • 1
  • N. D. Peña
    • 2
  • L. Sàenz
    • 3
  1. 1.School of Metallurgical Engineering and Materials ScienceCentral University of VenezuelaCaracasVenezuela
  2. 2.Department of Materials Technology, Federico Rivero PalaciosUniversity of Technology InstituteCaracasVenezuela
  3. 3.Department of Materials and Fabrication ProcessesUniversity of CaraboboValenciaVenezuela

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