Listar Ikerketa-DoktoregoTesiak por autor "d680650b3deefe52671f32d3dcc4a81a"
Mostrando ítems 1-9 de 9
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Applicability of a Dynamic Recrystallization Model for an Open Die Forging Process for the As-Cast Superaustenitic Stainless Steel Alloy 28
Mora Serrano, Elena (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2022)In the petrochemical industry, extreme conditions require materials that can withstand high fatigue pressures and highly corrosive environments. In the last decade, the use of super austenitic steels (SASS) has increased ... -
Desarrollo y caracterización de aleaciones de aluminio e implementación de un sistema de forja para el conformado en estado semisólido
Azpilgain, Zigor (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2006)En esta tésis se ha desarrollado la tecnología de forjado de aleaciones de aluminio en estado semisólido para producir componentes masivos, preferentemente orientados al área de automoción. A lo largo del trabajo se ha ... -
Development of Aluminim/Steel hybrid structures by semisolid forming
Echaniz Hernández, Erik (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2016)Weight reduction is the most cost-effective mean to improve fuel economy and greenhouse gas emissions from the transportation sector. Combining steel and aluminum in a hybrid structure will implement the integrated ... -
Engatillado mediante conformado electromagnético
Jimbert Lacha, Pedro Jose (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2009)This thesis develops a new application for the Electromagnetic Forming (EMF) technology: the autobody and white panels hemming operation for aluminium alloys. It is a completely new application for this high speed forming ... -
Hierarchical microstructure design and cast processing route of a modified TNM gamma TiAl alloy
Bernal, Daniel (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2021)Gamma titanium aluminides following the β-solidifying pathway, are intermetallic alloys that have the potential to replace heavier materials in high temperature structural applications, such as aerospace and aeronautics. ... -
Influence of alternative mould materials and inhibitors on mould-metal reactions in magnesium investment casting
Herrero-Dorca, Nuria (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2012)Investment casting of magnesium is a process well suited for the production of aeronautic and automotive components, as light density components in medium and small series are obtained. But, still nowadays, this process ... -
Mejora y control de la calidad metalúrgica de la fundición esferoidal mediante análisis térmico y acondicionadores
Ochoa de Zabalegui Pereda, Edurne (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2008)The main objective of this doctoral thesis is to improve and control the metallurgical quality to obtain cast parts of ductile iron. In order to achive this target, it is necessary to consider all the elaboration process ... -
Relationship between Solidification, Microstructures and Mechanical Properties of Magnesium Cast Alloys
Arruebarrena, Gurutze (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2009)This thesis analyses the solidification, the microstructure and the mechanical properties of several magnesium alloys. The objective is to establish correlations between them in order to predict the local mechanical ... -
Temperature dependent high strain rate deformation mechanisms in AZ31B MG alloy and coupled numerical modeling of electromagnetic forming process
Ulacia, Ibai (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2009)En la presente tesis doctoral se estudia la deformación de la aleación de magnesio AZ31B a altas velocidades de deformación y diferentes temperaturas. En un primer apartado, se ha caracterizado el comportamiento mecánico ...