
handle: 11441/105751
En este trabajo se pretende estudiar la influencia del proceso de encolado en la tenacidad a fractura y modo de fallo de uniones no simétricas composite-composite. La importancia del estudio radica en el auge del uso de estructuras de material compuesto en la industria aeronáutica, así como del empleo del encolado como mecanismo de unión debido a sus ventajas frente a mecanismos tradicionales como el taladrado. Además, el hecho de que sean laminados no simétricos aumenta el realismo de los resultados, ya que, se encuentra más cerca de los procesos habituales de unión, como es la de larguerillos a paneles. Para evaluar la calidad de la unión se van a fabricar paneles mediante distintos procedimientos de encolado para ensayarlos posteriormente utilizando el ensayo Double Cantilever Beam (DCB). Con los datos extraídos experimentalmente se realiza un procesado mediante herramientas de Excel y Mathematica para calcular la tenacidad a fractura interlaminar (GC) y poder comparar los distintos procesos de fabricación.
The aim of this work is to study the influence of the bonding process on the fracture toughness and failure mode of non-symmetrical composite-composite joints. The importance of the study resides in the growth of the use of composite structures in the aeronautical industry, as well as in the use of bonding as a joining mechanism due to its advantages over traditional mechanisms such as drilling. Furthermore, the fact that they are non-symmetrical laminates increases the realism of the results, as they are closer to the usual joining processes, such as stringers to panels. To evaluate the quality of the joint, panels will be manufactured using different bonding procedures and then tested using the Double Cantilever Beam (DCB) test. With the data extracted experimentally, processing is carried out using Excel and Mathematica tools to calculate interlaminar fracture toughness (GC) and to be able to compare the different manufacturing processes.
Universidad de Sevilla. Grado en Ingeniería Aeroespacial
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