Room temperature viscosity and delayed elasticity in infrared glass fiber

C. Bernard, G. Delaizir, J. C. Sangleboeuf, V. Keryvin, Pierre Lucas, B. Bureau, X. H. Zhang, T. Rouxel

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Infrared transparent optical fibers from the Te-As-Se system (TAS) exhibit a viscoelastic behavior at room temperature. The study of the change of the radius of curvature of fibers, once the fibers are unrolled from the mandrel onto which they were rolled just after fiber-drawing, allows the determination of constitutive laws both for the stress relaxation kinetics and for the delayed elasticity process. Whereas, a linear Burger's model provides a good modelling of the stress relaxation stage, a stretched exponential function gives a better description for the delayed elasticity behavior. The room temperature viscosity of the fibers ranges from 3 × 1016 to 2 × 1017 Pa s and the time constant of the anelastic strain recovery process is from 4 to 15 days.

Original languageEnglish (US)
Pages (from-to)3253-3259
Number of pages7
JournalJournal of the European Ceramic Society
Volume27
Issue number10
DOIs
StatePublished - 2007

Fingerprint

Glass fibers
Elasticity
Viscosity
Infrared radiation
Fibers
Stress relaxation
Temperature
Exponential functions
Optical fibers
Recovery
Kinetics
fiberglass

Keywords

  • Creep
  • Fibers
  • Glass
  • Mechanical properties

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Bernard, C., Delaizir, G., Sangleboeuf, J. C., Keryvin, V., Lucas, P., Bureau, B., ... Rouxel, T. (2007). Room temperature viscosity and delayed elasticity in infrared glass fiber. Journal of the European Ceramic Society, 27(10), 3253-3259. https://doi.org/10.1016/j.jeurceramsoc.2006.12.001

Room temperature viscosity and delayed elasticity in infrared glass fiber. / Bernard, C.; Delaizir, G.; Sangleboeuf, J. C.; Keryvin, V.; Lucas, Pierre; Bureau, B.; Zhang, X. H.; Rouxel, T.

In: Journal of the European Ceramic Society, Vol. 27, No. 10, 2007, p. 3253-3259.

Research output: Contribution to journalArticle

Bernard, C, Delaizir, G, Sangleboeuf, JC, Keryvin, V, Lucas, P, Bureau, B, Zhang, XH & Rouxel, T 2007, 'Room temperature viscosity and delayed elasticity in infrared glass fiber', Journal of the European Ceramic Society, vol. 27, no. 10, pp. 3253-3259. https://doi.org/10.1016/j.jeurceramsoc.2006.12.001
Bernard, C. ; Delaizir, G. ; Sangleboeuf, J. C. ; Keryvin, V. ; Lucas, Pierre ; Bureau, B. ; Zhang, X. H. ; Rouxel, T. / Room temperature viscosity and delayed elasticity in infrared glass fiber. In: Journal of the European Ceramic Society. 2007 ; Vol. 27, No. 10. pp. 3253-3259.
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