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EnglishIn this work, a cohesive zone model of fracture is employed to study debonding in plastically deforming Al/epoxy T-peel joints. In order to model the adhesion between the bonded metal strips, the Park-Paulino-Roesler (PPR) potential based cohesive model (J Mech Phys Solids, 2009; 57: 891-908) is employed, and interface elements are implemented in a finite element commercial code. A study on the influence of the cohesive properties (i.e. cohesive strength, fracture energy, shape parameter and slope indicator) on the predicted peel-force versus displacement plots reveals that the numerical results are mostly sensitive to cohesive strength and fracture energy. In turn, these parameters are tuned until a match between experimental and simulated load displacement curves is achieved. (C) 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of ICM11
Simulation of debonding in Al/epoxy T-peel joints using a potential-based cohesive zone model / Alfano, Marco; Furgiuele, Franco; Lubineau, G; Paulino, Gh. - In: PROCEDIA ENGINEERING. - ISSN 1877-7058. - 10:10(2011), pp. 1760-1765.
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| Titolo: | Simulation of debonding in Al/epoxy T-peel joints using a potential-based cohesive zone model |
| Autori: | |
| Data di pubblicazione: | 2011 |
| Rivista: | |
| Citazione: | Simulation of debonding in Al/epoxy T-peel joints using a potential-based cohesive zone model / Alfano, Marco; Furgiuele, Franco; Lubineau, G; Paulino, Gh. - In: PROCEDIA ENGINEERING. - ISSN 1877-7058. - 10:10(2011), pp. 1760-1765. |
| Abstract: | In this work, a cohesive zone model of fracture is employed to study debonding in plastically deforming Al/epoxy T-peel joints. In order to model the adhesion between the bonded metal strips, the Park-Paulino-Roesler (PPR) potential based cohesive model (J Mech Phys Solids, 2009; 57: 891-908) is employed, and interface elements are implemented in a finite element commercial code. A study on the influence of the cohesive properties (i.e. cohesive strength, fracture energy, shape parameter and slope indicator) on the predicted peel-force versus displacement plots reveals that the numerical results are mostly sensitive to cohesive strength and fracture energy. In turn, these parameters are tuned until a match between experimental and simulated load displacement curves is achieved. (C) 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of ICM11 |
| Handle: | http://hdl.handle.net/20.500.11770/131674 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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