Journal of Materials Science

, Volume 19, Issue 10, pp 3416–3420 | Cite as

Fatigue in low-strength silica optical fibres

  • Shigeki Sakaguchi
  • Yoshinori Hibino
Papers

Abstract

Fatigue behaviour was investigated for low-strength silica fibres on which macroscopic flaws were forcibly introduced by abrading. Crack growth in silica glass was also examined on the CT specimen. Stable crack growth parameters, obtained from the static and dynamic fatigue tests for abraded fibres, were determined to be about 40 which is equal to that obtained from the CT specimen, indicating that the crack growth process in abraded fibres is quite the same as in the CT specimen. This leads to the conclusion that, for the optical fibre, the allowable stress condition wherein no breaks occur is given on the basis of some basic fracture mechanics parameters obtained from the CT specimen.

Keywords

Fatigue Optical Fibre Fatigue Test Mechanic Parameter Fatigue Behaviour 

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Copyright information

© Chapman and Hall Ltd. 1984

Authors and Affiliations

  • Shigeki Sakaguchi
    • 1
  • Yoshinori Hibino
    • 1
  1. 1.Ibaraki Electrical Communication LaboratoryNippon Telegraph and Telephone Public CorporationIbarakiJapan

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