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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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Strantza, Maria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Direct mechanistic connection between acoustic signals and melt pool morphology during laser powder bed fusioncitations
- 2017Proof of Concept of Integrated Load Measurement in 3D Printed Structurescitations
- 2017Fatigue Performance of Ti-6Al-4V Additively Manufactured Specimens with Integrated Capillaries of an Embedded Structural Health Monitoring Systemcitations
- 2016Fatigue of Ti6Al4V Structural Health Monitoring Systems Produced by Selective Laser Meltingcitations
- 2016Assessment of eSHM system combining different NDT methods
- 2015Feasibility study on integrated structural health monitoring system produced by metal three-dimensional printingcitations
- 2015Acoustic emission monitoring of crack propagation in titanium samples
- 2015Damage characterization on human femur bone by means of ultrasonics and acoustic emissioncitations
- 2015Evaluation of Different Topologies of Integrated Capillaries in Effective Structural Health Monitoring System Produced by 3D Printingcitations
- 2014A combination of Additive Manufacturing Technologies and Structural Health Monitoring systems as an intelligent structure
- 2014Measurement of elastic wave dispersion on human femur tissuecitations
- 2014Wave Dispersion and Attenuation on Human Femur Tissue
- 20143D Printing for Intelligent Metallic Structures
Places of action
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article
Damage characterization on human femur bone by means of ultrasonics and acoustic emission
Abstract
Textile reinforced cement based composites (TRC) are a new class of sustainable construction materials with superior tensile strength and ductility. These materials have the potential for becoming load bearing structural members, therefore a wide array of structural and non-structural applications are possible. However, their heterogeneous, laminated, fibrous nature complicates the understanding of their fracture behavior. During bending, the developed stresses lead to the activation of damage mechanisms like matrix cracking, fiber pull-out delamination and in succession or in overlap. In this study, the flexural behavior of TRC laminates is monitored by acoustic emission (AE). AE sensors record the elastic waves radiated from the damage sources and enable the characterization of the fracture behavior in any stage. The aim is to examine if AE is sensitive enough to provide feedback on the applied stress field in such heterogeneous systems. Therefore, the three-point bending span is varied to modify the stress field and specifically the proportion of shear to normal stress. AE waveform parameters like duration and frequency reveal information about the mode of fracture for the different spans, while the stress field is derived by a finite element model (FEM). The results show that AE is suitable to characterize the stress field even from the early loading stages, monitor the corresponding damage mechanisms and provide valuable feedback to the material modeling. © 2014 Elsevier Ltd. All rights reserved.