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Mechanical Characterisation and Comparison of Hyperelastic Adhesives: Modelling and Experimental Validation


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Título :
Mechanical Characterisation and Comparison of Hyperelastic Adhesives: Modelling and Experimental Validation
Autor :
Simon Portillo, Francisco J.  
Cuadrado Sempere, Óscar
Marques, Eduardo A.S.
Sánchez Lozano, Miguel
da Silva, Lucas F.M.
Editor :
Shaid Chamran University of Ahvaz
Departamento:
Departamentos de la UMH::Ingeniería Mecánica y Energía
Fecha de publicación:
2021-11
URI :
https://hdl.handle.net/11000/33437
Resumen :
This work focuses on the mechanical characterisation of adhesives with hyperelastic behaviour, and on the determination of the behavioural laws that best represent them, in order to be able to introduce them into simulation models. There are virtually no references to the characterisation of these materials in the literature, so it has been decided to use the methodologies commonly employed with other hyperelastic materials, such as rubber, whose behaviour is similar to that of highly flexible adhesives. Firstly, a test plan is carried out on simple specimens, uniaxial and planar configurations, designed to measure the non-linear behaviour of the adhesives in both tension and shear. Subsequently, using finite element models of the tested specimens, different behavioural laws from those usually used for the representation of hyperelastic materials are tested. Based on the experimental results, the parameters of the different laws proposed are adjusted, and the results are compared. In conclusion, it has been determined that the Mooney-Rivlin model is the one that allows the best fit, and therefore may be the most suitable to represent the behaviour of hyperelastic adhesives. For the adhesive used in this work, the obtained law has been validated by comparing the results of tests on single lap adhesive join (SLJ) specimens with the results predicted by the simulation.
Palabras clave/Materias:
Flexible adhesive
Hyperelastic models
Mechanical characterisation
Finite element analysis
Área de conocimiento :
CDU: Ciencias aplicadas: Ingeniería. Tecnología
Tipo documento :
application/pdf
Derechos de acceso:
info:eu-repo/semantics/openAccess
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
DOI :
https://doi.org/10.22055/JACM.2021.38119.3242
Aparece en las colecciones:
Artículos Ingeniería Mecánica y Energía



Creative Commons La licencia se describe como: Atribución-NonComercial-NoDerivada 4.0 Internacional.