Combination of densification and shear flow for aged silica optical fibres - Université de Rennes Accéder directement au contenu
Article Dans Une Revue International Journal of Mechatronics and Applied Mechanics Année : 2021

Combination of densification and shear flow for aged silica optical fibres

Résumé

An aging study was performed on several silica optical fibres with standard epoxy-acrylate coating in hot water during several months. In hot water, the fibres were subjected to bending stresses by winding around alumina mandrel. Thereafter, the polymeric coating was removed by soaking fibres into dichloromethane at ambient temperature. The prepared fibres were submitted to a series of indentation tests using a microduremeter Matsuzawa equipped with a diamond Vickers indenter. The observation of the Vickers impression provided direct evidence of a pilling-up of the silica cladding submitted to the hydrothermal treatment. This indentation behaviour is consistent with a structural relaxation promoted by the water and the glass network interaction. A densification phenomenon by compression intervenes by rearrangement of the Si-O-Si atomic connections. © 2021, Cefin Publishing House. All rights reserved.

Dates et versions

hal-03334293 , version 1 (03-09-2021)

Identifiants

Citer

Rochdi El Abdi, C. Borda, M. Poulain. Combination of densification and shear flow for aged silica optical fibres. International Journal of Mechatronics and Applied Mechanics, 2021, 1 (9), pp.168-174. ⟨10.17683/IJOMAM/ISSUE9.24⟩. ⟨hal-03334293⟩
23 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More