| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wierach, Peter
Clausthal University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (44/44 displayed)
- 2025Multifunctional characterization of high tensile strength PEO/PVP blend based composites with InAs nanowire fillers for structural sodium ion batteries
- 2024The effect of low temperatures on monitoring structural health using acoustic-ultrasonic piezoelectric transducers on composite structures.
- 2024Innovative welding integration of acousto-ultrasonic composite transducers onto thermoplastic composite structurescitations
- 2024Design and Characterization of Poly(ethylene oxide)-Based Multifunctional Composites with Succinonitrile Fillers for Ambient-Temperature Structural Sodium-Ion Batteries
- 2024Development and Multifunctional Characterization of a Structural Sodium-Ion Battery Using a High-Tensile-Strength Poly(ethylene oxide)-Based Matrix Compositecitations
- 2023Acousto-ultrasonic composite transducers integration into thermoplastic composite structures via ultrasonic welding
- 2023An Efficient Procedure for Bonding Piezoelectric Transducers to Thermoplastic Composite Structures for SHM Application andIts Durability in Aeronautical Environmental Conditionscitations
- 2022Multifunctional Hybrid Fiber Composites for Energy Transfer in Future Electric Vehiclescitations
- 2022CHALLENGES OF UPSCALING POWER COMPOSITES FOR AEROSPACE APPLICATIONS
- 2021Robust and Powerful Structural Integrated Thin Film Supercapacitors for Lightweight Space Structures
- 2021Taurine-Modified Boehmite Nanoparticles for GFRP Wind Turbine Rotor Blade Fatigue Life Enhancementcitations
- 2021Integrated thin film Supercapacitor as multifunctional Sensor Systemcitations
- 2019Powder binders used for the manufacturing of wind turbine rotor blades. Part 2. Investigation of binder effects on the mechanical performance of glass fiber reinforced polymerscitations
- 2019Structure Integrated Supercapacitors for Space Applicationscitations
- 2018Multifunctional Composites for Future Energy Storage in Aerospace Structurescitations
- 2018Ultrasonic Wave Propagation in Aerospace Structures: Highly Efficient Simulation with a Minimal Model
- 2018Flexural Mechanical Properties of Hybrid Epoxy Composites Reinforced with Nonwoven Made of Flax Fibres and Recycled Carbon Fibrescitations
- 2018Powder binders used for the manufacturing of wind turbine rotor blades. Part 1: Characterisation of resin-binder interaction and preform propertiescitations
- 2017Carbon Nanotubes Modified Solid Electrolyte-Based Structural Supercapacitors and their Temperature Influence
- 2016Nanostructured all-solid-state supercapacitor based on Li1.4Al0.4Ti1.6(PO4)3 ceramic electrolyte
- 2016Actuation mechanisms of carbon nanotube-based architectures
- 2016Damage Reconstruction in Complex Composite Structures using Lamb Waves
- 2016Electrical and Mechanical Properties of LiAlTi(PO4)3 Solid Electrolyte Based Power Composites
- 2016Structural integrated sensor and actuator systems for active flow controlcitations
- 2015Identification of barely visible impact damages on a stiffened composite panel with a probability-based approachcitations
- 2015Identification of barely visible impact damages on a stiffened composite panel with a probability-based approach
- 2015FIRE PROTECTED CARBON FIBRE REINFORCED PLASTICS FOR STRUCTURAL AIRCRAFT COMPONENTS
- 2015ACTUATED TENSILE TESTING OF CNT BASED ARCHITECTURES
- 2015Lamb Wave Propagation in Complex Geometries - A Minimal Model Approach
- 2014Resonant approach for testing glass-fiber-reinforced composites in the VHCF-regime
- 2014MEMS Pressure Sensors Embedded into Fiber Composite Airfoilscitations
- 2014Durability of Co-bonded Piezoelectric Transducerscitations
- 2014Mode Selective Actuator-Sensor System for Lamb Wave-Based Structural Health Monitoring
- 2014Investigating the VHCF of composite materials using new testing methods and a new fatigue damage model
- 2014Carbon Nanotube Strain Measurements via Tensile Testing
- 2014Active Flow Control via Piezo-Actuated Airfoils for High-Lift
- 2013Magnetostrictive properties of epoxy resins modified with Terfenol-D particles for detection of internal stress in CFRP. Part 2: evaluation of stress detectioncitations
- 2013Characterization of multifunctional skin-material for morphing leading-edge applicationscitations
- 2013A Dynamical Actuated Lip at a Blowing Slot for Active High-Lift
- 2013Design of mode selective actuators for Lamb wave excitation in composite platescitations
- 2012Experimental investigation of the very high cycle fatigue behaviour of fibre reinforced composites
- 2012Characterization of mode selective actuator and sensor systems for Lamb wave excitation
- 2000Development of Adaptive Structures with Encapsulated PZT-Patches
- 2000Development of Encapsulated PZT-Patches for Adaptive Structures
Places of action
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document
Experimental investigation of the very high cycle fatigue behaviour of fibre reinforced composites
Abstract
Fibre reinforced composites became more and more important within the last decades. Thereby many different fields of application are covered, such as aircraft components, renewable energy products and automotive lightweight constructions. Parts, built out of composite materials, are designed to last for a long period of time nowadays, like e.g. blades of wind energy plants. Within this time span they suffer from a very high number of load cycles, often in the very high cycle regime past 10^8 cycles.This paper presents a new concept for testing composites until and beyond 10^8 cycles under alternating loads. Therefore a test-stand is being developed that uses an eigenmode of the specimen to apply high loads at the eigenfrequency. The amplitude of the load is controlled by varying the frequency and the level of the excitation. A high testing frequency is used to obtain 10^8 cycles within a reasonable time span. The temperature of the specimen is monitored to keep the autogenous heating of the specimen below a certain threshold to avoid thermal damages. Also the changes of the damped eigenfrequency and the amplification of the excitation are monitored. These states of the specimen are used to show connections between them and the growing defects in the specimen.The test-stand uses tubular specimen to avoid boundary effects and enable inner and outer cooling. The lay-up consists out of unidirectional fibre strands (rovings) that are aligned along the longitudinal direction of the tube. A special tool is being developed to produce these specimens in the process of pultrusion.Together with other partners of the priority programme 1466 started by the German Science Foundation DFG, the results of the tests will be used to build a sustainable basis for further modelling of the observed effects.