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With a unique test bench, built of a mirror furnace capable of heating specimens and a tensile testing machine that can pull the prepared specimen simultaneously, it is now possible to
A comprehensive investigation integrating a newly developed strain transfer model and corresponding experiments has been performed, so as to characterize and quantify the fiber Bragg
The present study develops an experimental methodology consisting of a biaxial test plan on cruciform specimens with three embedded FBG sensors coated with polyimide, acrylate, and
Optical fibre Bragg grating (FBG) sensors have been used for cryogenic temperature and strain measurements in a variety of applications, e.g., hotspot detection in high-temperature
Structural health monitoring (SHM) is essential for ensuring the safety and longevity of civil engineering structures, particularly as many aging infrastructures face increased stress and
This research work is based on a previous study by the authors that characterized the behavior of FBG sensors with a polyimide coating in a structural monitoring
In the present paper, the influence of the fiber Bragg grating (FBG) length and its coating on embedded FBGs in polymers is evaluated. Different FBG lengths and coatings, uncoated and
In this work, FBGs are embedded in composite-to-composite single lap joints. Tensile and fatigue loading to joint failure have been applied, and the peak splitting and broadening of the full
Recently, fiber Bragg grating (FBG) sensors have been shown to be able to reflect strain in adhesive joints and offer an economical alternative for on-line monitoring. Most of the available
Abstract The embedding of optical fiber sensors called fiber Bragg grating (FBG) sensors into 3D printed polymeric structures for strain measurements has never been studied by in-depth
This paper presents a review of the recent trends and the current state of the art in the application of fiber optic fiber Bragg Gratings (FBG) sensing technology to condition monitoring (CM) and testing of
Optimized surface bonding configuration for FBG sensors in extreme environment. Excellent signal is observed in FemtoSecond Grating with polyimide coating at cryogenic
We report the development and characterizations of a fiber Bragg grating (FBG) sensor coated with different ultraviolet (UV) curable resins. The UV-curable resins were applied on the fiber after the
Embedding methodologies of fiber Bragg grating (FBG) strain sensors during the 3D printing of a polymer were investigated. Solvent welding (dichloromethane) and adhesive bonding
This work focuses on the development and testing of a technique used to measure strain levels inside an adhesive joint. As more industries adopt high performance structural adhesives, the