| 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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Teixeira De Freitas, Sofia
Instituto Superior Técnico
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (33/33 displayed)
- 2024Experimental evaluation of interface adhesion of a flax fiber composite patch with epoxy and polyurethane adhesives for the reinforcement of steel structurescitations
- 2024On the Mode I Fracture Toughness of Metal-Composite Joints with untreated SLM 3D-Printed Ti6Al4V Substrates
- 2024Disrupting Fracture Toughness Of Adhesively Bonded Joints By Tailoring Composite Substrates
- 2024Acoustic emission approach for identifying fracture mechanisms in composite bonded Jointscitations
- 2023Uncovering the toughening mechanisms of bonded joints through tailored CFRP layupcitations
- 2023How does “listening” help fracture understanding?
- 2022Synthesis and characterization of novel eco-epoxy adhesives based on the modified tannic acid for self-healing jointscitations
- 2022Synthesis and characterization of novel eco-epoxy adhesives based on the modified tannic acid for self-healing jointscitations
- 2022Self-healing capability of novel eco-epoxy adhesives based on the modified tannic acid on Al adherends tested in a single lap jointcitations
- 2022Promoting extrinsic bridging of adhesively-bonded CFRP joints through the adhesive layer architecture
- 2022Testing mechanical performance of adhesively bonded composite joints in engineering applications: an overviewcitations
- 2022Enhancement of mode I fracture toughness of adhesively bonded secondary joints using different layup patterning of CFRP
- 2021Effect of salt spray ageing on the fracture of composite-to-metal bonded jointscitations
- 2021Testing mechanical performance of adhesively bonded composite joints in engineering applicationscitations
- 2021The effect of modified tannic acid (TA) eco-epoxy adhesives on mode I fracture toughness of bonded jointscitations
- 2021On the influence of glass fiber mat on the mixed-mode fracture of composite-to-metal bonded jointscitations
- 2021On the influence of glass fiber mat on the mixed-mode fracture of composite-to-metal bonded jointscitations
- 2021Self-healing capability of novel eco-epoxy adhesives based on the modified tannic acid on Al adherends tested in a single lap jointcitations
- 2021Damage assessment of a titanium skin adhesively bonded to carbon fiber–reinforced plastic omega stringers using acoustic emissioncitations
- 2021Evaluation of the strain-based partitioning method for mixed-mode I+II fracture of bi-material crackscitations
- 2020Enhanced Interface Adhesion by Novel Eco-Epoxy Adhesives Based on the Modified Tannic Acid on Al and CFRP Adherendscitations
- 2020Enhanced Interface Adhesion by Novel Eco-Epoxy Adhesives Based on the Modified Tannic Acid on Al and CFRP Adherendscitations
- 2020Significantly enhanced structural integrity of adhesively bonded PPS and PEEK composite joints by rapidly UV-irradiating the substratescitations
- 2020Damage assessment of NCF, 2D and 3D Woven Composites under Compression After Multiple-Impact using Acoustic Emissioncitations
- 2020Review on adhesives and surface treatments for structural applications : recent developments on sustainability and implementation for metal and composite substratescitations
- 2019Compression After Multiple Low Velocity Impacts of NCF, 2D and 3D Woven Compositescitations
- 2019From thin to extra-thick adhesive layer thicknesses:Fracture of bonded joints under mode I loading conditionscitations
- 2019Strain-based methodology for mixed-mode I plus II fracture: A new partitioning method for bi-material adhesively bonded jointscitations
- 2019Strain-based methodology for mixed-mode I+II fracture: A new partitioning method for bi-material adhesively bonded jointscitations
- 2019Damage characterization of adhesively-bonded Bi-material joints using acoustic emissioncitations
- 2018Interlaminar adhesion assessment of carbon-epoxy laminates under salt water ageing using peel testscitations
- 2018Interlaminar adhesion assessment of carbon-epoxy laminates under salt water ageing using peel testscitations
- 2018On the fracture behaviour of CFRP bonded joints under mode I loading: Effect of supporting carrier and interface contaminationcitations
Places of action
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article
Self-healing capability of novel eco-epoxy adhesives based on the modified tannic acid on Al adherends tested in a single lap joint
Abstract
The aim of this paper is to study the self-healing capability of fractured Al joints bonded with novel eco-epoxide adhesives synthesized from a bio-renewable raw material (tannic acid – TA). Two synthesized eco-epoxy components based on TA, (A) glycidyl ether and (B) glycidyl phosphate ester of TA, were used as a replacement for the toxic epoxy component based on Bisphenol A. The effect of the eco-epoxy components on the self-healing capability was measured as a recovery of shear strength in a single lap joint (SLJ) test after complete failure, which was compared to the reference epoxy (R). The self-healing procedure was performed in an autoclave at 180 °C for 2 h and 2 bars. A combination of two monitoring techniques, Digital Image Correlation (DIC) and Acoustic Emission (AE), was used to monitor the strain distribution and damage propagation in the SLJ. The measured shear stress of A and B adhesives in the SLJ had values in the range of 2.3–5.1 MPa. A fracture analysis showed complete adhesive failure for all the tested adhesives, which was not affected by the self-healing process. Out of all adhesives, only the A adhesive demonstrated the capability to heal. The recovery of the shear strength for adhesive A was higher than 50% of the virgin case. In addition, the AE analysis managed to capture a clear distinction between the signals for the virgin and the self-healed tests for adhesive A. Results obtained in this study highlighted the promising potential of using bio-based epoxy adhesives in structural adhesive bonding with the possibility of using self-healing in the recovery of the strength of such bonded joints.