Publication:
Photo-thermo-mechanical behavior under quasi-static tensile conditions of a PMMA-core optical fibre

Thumbnail Image
Identifiers
URI: https://hdl.handle.net/10016/22182
ISSN: 1475-1305 (online)
ISSN: 0039-2103 (print)
DOI: 10.1111/str.12152
DOI: https://doi.org/10.1111/str.12152
UXXI: AR/0000017521
Files
photo_S_2016_ps.pdf (3.94 MB)
Publication date
2015-10
Defense date
Authors
Advisors
Tutors
Journal Title
Journal ISSN
Volume Title
Publisher
Wiley
Impact
Google Scholar
Export
Research Projects
Organizational Units
Journal Issue
Abstract
As the optical power transmitted by an optical fibre under tensile stress varies with strain, it can be used as a sensor for strain monitoring in structural elements. In the present work, quasi-static tensile tests of step index polymer optical fibres (POF) with simultaneous measurement of surface temperature and optical power are described. Young's modulus, yield stress and tensile strength are derived from experimental tests. Morphological characterization of the POF fibres using scanning electron microscope images and differential calorimetry technique is performed. The contributions of both elastic and plastic strain components to the variation of temperature and optical power loss are also estimated. The evolution of the POF mechanical properties as well as that of temperature and optical power loss is explained in terms of the progressive relative movement and alignment of the molecular chains in the direction of the applied load. Strain, temperature and optical power loss are then correlated.
Description
Keywords
Field strain, Mechanical behaviour, Microstructural analysis, Optical power loss, Polymer optical fibre, Temperature increase
Bibliographic citation
Strain 52 (2016) 1, pp. 3–13
Collections
DTE - GDAF - Artículos de Revistas
DMMCTE - DFEE - Artículos de revistas