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Proceedings Paper

Static fatigue of silica fibers
Author(s): Marcel Poulain; Noella Evanno; Alain Gouronnec
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Paper Abstract

The strength of standard silica fibers has been measured in wet and hot atmosphere. Static fatigue measurements have been carried out at temperatures ranging from 20 degree(s)C to 70 degree(s)C and relative humidity RH varying between 40 and 80 %. They were wound around alumina mandrels to apply a permanent stress lying between 2.7 and 3.5 GPa.. The evolution of the failure times with respect to temperature, applied stress and RH has been studied, leading to a general relation including. Arrhenian semi empirical constants. This relation is similar to that found for fibers immersed in liquid water. Our results are consistent with precious works. This empirical expression could be derived theoreticaly using the vacancy model of the vitreous state.

Paper Details

Date Published: 25 June 2002
PDF: 11 pages
Proc. SPIE 4639, Optical Fiber and Fiber Component Mechanical Reliability and Testing II, (25 June 2002); doi: 10.1117/12.481338
Show Author Affiliations
Marcel Poulain, Univ. de Rennes I (France)
Noella Evanno, France Telecom CNET (France)
Alain Gouronnec, France Telecom CNET (France)


Published in SPIE Proceedings Vol. 4639:
Optical Fiber and Fiber Component Mechanical Reliability and Testing II
M. John Matthewson; Charles R. Kurkjian, Editor(s)

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