Optimisation of Optical Fibres for Structural Health Monitoring Through Micro-braiding

Rufai, Olubukola; Gautam, Mayank; Potluri, Prasad; Grésil, Matthieu

doi:10.12783/shm2017/13937

Cited by 1 publication

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“…Through the literature review conducted, limited or no studies have been reported present with reference to improving the handling and mechanical properties of OFs (Rufai et al, 2017). The primary aim of this study is to investigate the potential of optimising OF through textile manufacturing process of braiding.…”

Section: Introductionmentioning

confidence: 99%

Optimisation of optical fibre using micro-braiding for structural health monitoring

Rufai

Gautam

Potluri

et al. 2018

Journal of Intelligent Material Systems and Structures

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Structural health monitoring is a fast growing area used to assess the state of various structures such as aircraft, building, bridge, wind turbine, pipe, automobile through appropriate data processing and interpretation. This article presents a novel technique of optimising the conventional optical fibres used for structural health monitoring, in order to improve their mechanical properties, and handling during the manufacturing process by micro-braiding the optical fibres. This study investigates and compares the tensile properties of the both micro-braided optical fibre and conventional optical fibres through uniaxial tensile tests. Experimental results show 85% improvement in strain at failure for the micro-braided optical fibre when compared to the optical fibres. Moreover, interfacial shear strength comparison, of the braiding yarn, between optical fibres and micro-braided optical fibre (carried out through micro-bond test) has also been conducted. In addition, the effect of embedding both micro-braided and conventional optical fibre in composite was also investigated by three-point bend test. Overall, the mechanical performance of the composite was not affected by the presence of micro-braided optical fibre. This article will also discuss the process and the advantage of micro-braided optical fibre for structural health monitoring.

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Section: Introductionmentioning

confidence: 99%