| Issue |
EPL
Volume 99, Number 2, July 2012
|
|
|---|---|---|
| Article Number | 28003 | |
| Number of page(s) | 5 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/99/28003 | |
| Published online | 27 July 2012 | |
Fractoluminescence characterization of the energy dissipated during fast fracture of glass
1 CEA Saclay, IRAMIS, SPCSI - Building 462, F-91191 Gif-sur-Yvette Cedex, France, EU
2 LPMCN, Université Lyon 1, CNRS - 43 Boulevard du 11 Novembre 1918, F-69622 Villeurbanne, France, EU
3 CEA Saclay, IRAMIS, SPEC - Building 772, Orme des Merisiers, F-91191 Gif-sur-Yvette Cedex, France, EU
4 ESPCI-Paris Tech, PSL ☆, UMR Gulliver, EC2M - 10 rue Vauquelin, F-75231 Paris Cedex 05, France, EU
(a) gael.pallares@univ-lyon1.fr
Received: 12 April 2012
Accepted: 28 June 2012
Fractoluminescence experiments are performed on two kinds of silicate glasses. All the light spectra collected during dynamic fracture reveal a black-body radiator behaviour, which is interpreted as a crack velocity-dependent temperature rise close to the crack tip. Crack velocities are estimated to be of the order of 1300 m/s and fracture process zones are shown to extend over a few nanometers.
PACS: 81.40.Np – Fatigue, corrosion fatigue, embrittlement, cracking, fracture, and failure / 83.50.-v – Deformation and flow / 78.55.Qr – Amorphous materials; glasses and other disordered solids
© EPLA, 2012
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