| Issue |
Eur. Phys. J. AP
Volume 4, Number 2, November 1998
|
|
|---|---|---|
| Page(s) | 133 - 142 | |
| DOI | https://doi.org/10.1051/epjap:1998252 | |
| Published online | 15 November 1998 | |
https://doi.org/10.1051/epjap:1998252
Characterization of self-affine surfaces from 3D digital reconstruction
O.N.E.R.A. (DMMP), 29 avenue de la Division Leclerc,
BP 72, 92322 Châtillon Cedex, France
Corresponding author: bouchaud@onera.fr
Received:
3
April
1998
Revised:
7
July
1998
Accepted:
8
July
1998
Published online: 15 November 1998
A new experimental method aiming to the characterization of self-affine rough surfaces is presented. Based on a three dimensional reconstruction of the relief from stereo pairs obtained with a scanning electron microscope, it allows a non-destructive quantitative analysis of fracture surfaces, with a xy and z resolution only slightly lower than the original images. The roughness index of the fracture surface of an aluminum alloy is recovered, as well as the Hurst exponents of reconstructed computer-generated fractional Brownian reliefs.
PACS: 61.16.Bg – Transmission, reflection and scanning electron microscopy (including EBIC) / 62.20.Mk – Fatigue, brittleness, fracture, and cracks / 05.40.+j – Fluctuation phenomena, random processes, and Brownian motion
© EDP Sciences, 1998
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