Influence of Carbon Roving Strain Sensory Elements on the Mechanical Properties of Carbon Fibre-Reinforced Composites

Oliver Weißenborn; Eric Häntzsche; Andreas Nocke; Sirko Geller; Chokri Cherif; Niels Modler

doi:10.4028/www.scientific.net/KEM.809.407

Paper Titles

Temperature- and Time-Dependent Penetration of Surface Structures in Thermal Joining of Plastics to Metals
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Quasi-Static Characterization of Polyamide-Based Discontinuous CFRP Manufactured by Additive Manufacturing and Injection Molding
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Adhesive-Free Bonding of Web-Like Plastic-Metal Combinations at Low Temperatures
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Scalable Monitoring System for the Localization of Damaging Events in Thin-Walled CFRP Structures Based on Acoustic Emission Analysis and Neural Networks
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Influence of Carbon Roving Strain Sensory Elements on the Mechanical Properties of Carbon Fibre-Reinforced Composites
p.407

Influence of Sputtering Temperature and Layer Thickness on the Electrical Performance of Thin Film Strain Sensors Consisting of Nickel-Carbon Composite
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BN-Based Fiber Coatings by Wet-Chemical Coating
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Chemical Vapor Deposition of AlZrN Coatings by the Reaction of In Situ Produced ZrCl₄ and AlCl₃ with NH₃
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Thermal Stability of Natural Fibers via Thermoset Coating for Application in Engineering Thermoplastics
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 809Influence of Carbon Roving Strain Sensory Elements...

Influence of Carbon Roving Strain Sensory Elements on the Mechanical Properties of Carbon Fibre-Reinforced Composites

Abstract:

Over the last decade, carbon fibre-reinforced composites (CFRP) are increasingly used as lightweight material for various industrial applications. Due to the anisotropic material structure and its corresponding properties, novel design concepts and processing technologies were developed to further harness the material inherent lightweight potential. However, the material degradation in long-term use and failure behaviour is still considered a challenging issue for material scientists and engineers in particular. Therefore, concepts for structural health monitoring and their suitable implementation is still a major research topic. Among others, one solution uses the conductivity of carbon fibre yarns and their suitability to act as in-situ strain sensors. In the present work, the measurement principle bases on the usage of the piezo-resistive effect, meaning that every mechanical strain of the roving filaments causes a correlative change of the measurable electrical resistance. Since, these sensory elements need shielding from their surrounding carbon filaments of the composite structure, suitable fibre-based dielectric jackets have been developed with a wide range of suitable materials and textile processing technologies. In this contribution, the influence of the integrated carbon fibre sensors on the resulting mechanical performance of the composite structure is evaluated using an analysis of variances approach. Beyond that, the local composite morphology is analysed to evaluate the composite microstructure.

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Periodical:

Key Engineering Materials (Volume 809)

Pages:

407-412

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.809.407

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Online since:

June 2019

Authors:

Oliver Weißenborn*, Eric Häntzsche, Andreas Nocke, Sirko Geller, Chokri Cherif, Niels Modler

Keywords:

Analysis of Variances, Carbon Fiber Reinforced Plastic, Fibre-Based Strain Sensor, Structural Health Monitoring

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* - Corresponding Author

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