Paper Title:
Self-Affine Quasi-Static Fracture of Soda-Lime Glass
  Abstract

In the present work we discuss the self-affine properties of the fracture surfaces of sodalime glass obtained under quasi-static conditions. The fracture surfaces are generated using a threepoint bending system in normal room conditions and under high humidity conditions. The surfaces were recorded both by Scanning Electron Microscopy and Atomic Force Microscopy, and their selfaffine properties are characterized using the Variable Bandwidth method. For both conditions it is observed that the major part of the fracture surface is occupied by the mirror zone. On the other hand, the self-affine analysis reveals that for both conditions the roughness exponent has values centred at around 0.58 with moderate dispersion, in agreement with previous results. Our findings support the hypothesis of the existence of a characteristic roughness exponent for quasi-static fracture with a value that is significantly lower than the value of 0.8 reported for rapid fracture conditions.

  Info
Periodical
Edited by
H. Balmori-Ramirez, J.G. Cabañas-Moreno, H.A. Calderon-Benavides, K. Ishizaki and A. Salinas-Rodriguez
Pages
41-46
DOI
10.4028/www.scientific.net/MSF.560.41
Citation
C. Guerra-Amaro, M. Hinojosa, E. Reyes-Melo, V. González, "Self-Affine Quasi-Static Fracture of Soda-Lime Glass", Materials Science Forum, Vol. 560, pp. 41-46, 2007
Online since
November 2007
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$32.00
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