Aging behavior of fibers

Volotinen, Tarja; Yuce, Hakan H.; Frantz, Rolf

doi:10.1117/12.163771

Cited by 2 publications

(3 citation statements)

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“…This fiber did not break at these layer-corroded sites during tensile testing, although it did break at corrosion pits that also were present. [1] Corrosion accelerated by impurities in the glass was found on several fibers. The SEM pictures that follow can be compared to the pictures in [13] of silica glass containing incompletely mixed sodium, or to microscope photographs of corroded stainless steel.…”

Section: Resultsmentioning

confidence: 99%

“…Recent investigations have addressed the long-term aging behavior and handling resistance of fibers. [1][2][3] This work has shown that severe aging is possible in harsh laboratory environments as well as in field-aged cables. [1,2] It has also shown that fibers whose strength has decreased to less than 2 GPa due to severe aging cannot be spliced without breaking during handling.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3] This work has shown that severe aging is possible in harsh laboratory environments as well as in field-aged cables. [1,2] It has also shown that fibers whose strength has decreased to less than 2 GPa due to severe aging cannot be spliced without breaking during handling. [21 Earlier studies have demonstrated that the strength of abraded fibers can actually increase after they are soaked in water for several months.…”

Section: Introductionmentioning

confidence: 99%

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<title>Effects of glass preparation on the surface corrosion of fused silica optical fibers</title>

Volotinen

Yuce

Frantz³

1994

SPIE Proceedings

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The effects of glass preparation on the surface corrosion of fused silica optical fibers was studied by aging different fibers in both deionized water and tap water at 80-85 °C for several months and then analyzing the surface morphology of the samples using atomic force microscopy and scanning electron microscopy. We observed that surface corrosion, which causes strength degradation, is related to preparation defects in the glass; these include the existence of glass particles and layers, the presence of impurities and point defects, and in general all locations at which the bond strength is less than that of the Si-O bonds of silica. We found fibers whose surface did not become rough, despite the presence of a corrosive coating. We also found fibers whose surface roughness remained constant during aging in water, due at least in part to the protection provided by the coating. These findings imply that the effects of the glass preparation on the surface corrosion can be minimized through careful attention to the glass and to the fiber manufacturing processes.

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Section: Resultsmentioning

confidence: 99%