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25 June 2002 Static fatigue of silica fibers
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Proceedings Volume 4639, Optical Fiber and Fiber Component Mechanical Reliability and Testing II; (2002)
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States
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.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marcel Poulain, Noella Evanno, and Alain Gouronnec "Static fatigue of silica fibers", Proc. SPIE 4639, Optical Fiber and Fiber Component Mechanical Reliability and Testing II, (25 June 2002);


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