Salcedo Pérez, Daniel
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Salcedo Pérez
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Daniel
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Ingeniería
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ISC. Institute of Smart Cities
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Publication Open Access Analysis on the manufacturing of an AA5083 straight blade previously ECAE processed(Hindawi, 2013) Salcedo Pérez, Daniel; Luis Pérez, Carmelo Javier; Puertas Arbizu, Ignacio; León Iriarte, Javier; Fuertes Bonel, Juan Pablo; Luri Irigoyen, Rodrigo; Ingeniería Mecánica, Energética y de Materiales; Mekanika, Energetika eta Materialen IngeniaritzaOver these past few years, there have been a large number of technical papers published related to the problem of improving the mechanical properties of materials obtained through severe plastic deformation. Nevertheless, the number of technical papers dealing with improvement in the mechanical properties of mechanical components manufactured from submicrometric grain size material has not been so proficient. Therefore, in this present research work, a straight blade has been manufactured starting from AA-5083 previously processed by ECAE twice (N2) with route C.This material will be manipulated so as to be isothermally forged at different temperature values.This present research work shows the results that are inherent in an improvement in themechanical properties and the microstructure achieved in the thus obtained components, compared with the starting material. In addition, the optimum forging temperature to achieve these components will be determined. As shown in this research work, it is possible to obtain submicrometric grain size mechanical components with a higher mechanical strength than those obtained in nonultrafine grained materials. The originality of this research work lies in the manufacturing of actual mechanical components from ECAE processed material and the analysis of their properties.Publication Open Access Modelización y análisis del proceso de forja de componentes mecánicos obtenidos a partir de material nanoestructurado(2013) Salcedo Pérez, Daniel; Luis Pérez, Carmelo Javier; Ingeniería Mecánica, Energética y de Materiales; Mekanika, Energetika eta Materialen IngeniaritzaThis Ph. D. Thesis deals with the feasibility of manufacturing mechanical components with submicrometric and/or nanometric structure by means of materials previously SPD processed with ECAE. To this end, a preliminary study on the assessment of the previously ECAE processed AA5083 flow rules is made as a function of temperature and forging velocity. Subsequently, the design of the dies required for the forging of this material is carried out and experimental tests are performed with the equipment belonging to the Public University of Navarre in order to analyse the mechanical properties of the manufactured mechanical elements. In addition, finite element simulations of both traditional forging and isothermal forging are carried out comparing these results with those obtained in the real tests. It is shown that a high degree of accuracy is achieved in the results obtained. Furthermore, a comparative study is made between the traditional forging and the isothermal forging when different mechanical components are manufactured both annealed or previously ECAE processed. With the present Ph. D. Thesis, a complete and deep study is made on the forging of previously SPD processed material with ECAE. This widens the knowledge about this kind of materials and it demonstrates the feasibility of obtaining mechanical elements with submicrometric and/or nanometric structure.