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http://cimav.repositorioinstitucional.mx/jspui/handle/1004/1647| MECHANICAL BEHAVIOR OF STRUCTURAL ADHESIVES: MODELING AND TESTS | |
| IGNACIO ALBERTO ESTRADA ROYVAL ALBERTO DIAZ DIAZ | |
| Acceso Abierto | |
| Sin Derechos Reservados | |
| MATLAB | |
| The main objective of this paper is to show the response of a structural adhesive in a bulk form. In order to do so, several tests are performed to observe how the adhesive behaves under different unidirectional tests. It is very important to understand the mechanical behavior of the adhesive, so developing a model based on tests observations will be required. The experimental stress-strain curves provided by unidirectional tests will be used in a 1D model. Many authors propose models that predict the non-linear behavior response in structural adhesives. However, the models lack in accuracy, this is because most of them do not include complex phenomena such as plasticity or viscoplasticity, temperature, damage, etc. Experimental data obtained from creep and cyclic tensile tests are used in order to identify parameters in the model equations. The originality of the model is the inclusion of a kinematic hardening, damage and Norton’s law [1] to predict the plastic strain rate. Experimental results show a decrease of the elastic modulus, due to damage after unloading and reloading in a cyclic test. The 1D model results are compared with the 1D test results in order to validate the model. The 1D application is programed in MATLAB and it can be used in the future to develop a more general 3D model. | |
| 2012 | |
| Memoria de congreso | |
| Inglés | |
| OTRAS | |
| Versión revisada | |
| submittedVersion - Versión revisada | |
| Aparece en las colecciones: | Artículos de Congresos |
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