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| Soufivand, Anahita Ahmadi |
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| Fearraigh, B. Ó. |
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| Bhaswant, Maharshi |
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| Mouni, Lotfi |
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| Ghosh, Angsula |
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| Romero Resendiz, Liliana |
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| Mendesfelipe, Cristian |
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| Golias, Evangelos | Lund |
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| Pons, Tony |
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| Ferreira, Saulo Rocha |
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| Sanguineti, M. |
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| Ziegler, Andreas |
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| Zhang, Kailun |
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| Höfer, Philipp |
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| Zhengis, Arshyn |
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| Danelon, Miguel R. |
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| Baral, P. |
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| Beltrán, Ana M. |
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| Vippola, Minnamari | Tampere |
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| Perna, Alessia Serena | Naples |
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| Larsson, Henrik | Stockholm |
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| Kpemou, A. M. |
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| Le Gall, Alice |
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| Matteo, Pietro Di |
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| Kojouri, Ali Shivaie |
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Fan, Jialiang
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Topics
Publications (8/8 displayed)
- 2025Combined computational-experimental investigation of residual stresses and pre-cracking in mode I behaviour of thick adhesively bonded GFRP composite jointscitations
- 2024An experimental and analytical study of mode I fracture and crack kinking in thick adhesive jointscitations
- 2024Healable adhesive paste development for thick adhesive joints
- 2024Investigating the mode-I failure behaviour of thick adhesive joints using a coupled computational/experimental approach
- 2024Void content and displacement ratio effects on fatigue crack growth in thick adhesively bonded composite joints under constant amplitude loadingcitations
- 2024Mode I fracture of thick adhesively bonded GFRP composite joints for wind turbine rotor bladescitations
- 2022INVESTIGATION OF BULK ADHESIVE MATERIAL AND THICK ADHESIVE JOINTS FOR WIND TURBINE APPLICATIONS
- 2022FRACTURE OF STRUCTURAL ADHESIVE UNDER PURE MODE III LOADING CONDITIONS: EXPERIMENTAL STUDY AND CHALLENGES
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document
FRACTURE OF STRUCTURAL ADHESIVE UNDER PURE MODE III LOADING CONDITIONS: EXPERIMENTAL STUDY AND CHALLENGES
Abstract
As one of the primary load-carrying materials, adhesives play a crucial role in the structural integrity of composite-made wind turbine blades. A thorough understanding of the mechanical behavior of adhesives in terms of fracture behavior is mandatory in order to optimize the blade design. Fracture analysis of trailing edge failure revealed that mode III contributed the most to the strain energy release rate, with flapwise shear and torsion being the principal load cases responsible for mode III fracture. According to the authors' knowledge, there are few publications that investigate the fracture behavior of bulk adhesive in pure mode III. In order to evaluate the fracture behavior of bulk adhesives under pure mode III loading conditions, Single Edge Notch (SEN) specimens were utilized in this investigation. SEN specimens were selected because it is impossible to produce cylindrical specimens with high viscosity adhesive, which is prevalent in the wind turbine sector. The specimen was loaded under out-of-plane shear at the fracture plane using one of the available test rigs, i.e., asymmetric four-point bending. Acoustic Emission (AE) has been employed to assess the position of damage onset during the test since the specimens break from the crack plane and inner support. By AE localization, it has been demonstrated that the majority of AE events and resulting damage are concentrated on the crack plane and that the ultimate fracture occurs at the crack tip.