Zerrendatu honen arabera: egilea "fa65b6ce8311ea8c8e4b553fd0d6a2ac"
-
Analysis of different inhibitors for magnesium investment casting
Herrero-Dorca, Nuria; Hurtado, Iñaki; Arruebarrena, Gurutze; Sarriegi Etxeberria, Haritz (IOP Publishing, 2011)Investment casting of magnesium is a well suited process for the production of aeronautic and automotive components. But still, this process has not been properly developed. One reason for that are the reactions between ... -
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 ... -
Design and characterization of a novel lightweight multicomponent alloy Al58Zn28Mg6Si8
Trujillo Tadeo, Juan José; Arruebarrena, Gurutze; Hurtado, Iñaki (Elsevier, 2023)This paper presents a novel multicomponent alloy Al58Zn28Mg6Si8, with a density of 3.46 g/cm3, which incorporates concepts from high entropy alloys. The optimum alloy composition was determined using the CALPHAD approach ... -
Design and characterization of lightweight non-equiatomic Al-Zn-Mg-Si Medium Entropy Alloys
Trujillo Tadeo, Juan José (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2024)The development of lightweight materials for the transportation and aerospace industry is a crucial challenge today. Reducing weight without compromising structural properties and without significantly increasing costs is ... -
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 ... -
Effect of Boron Content and Cooling Rate on the Microstructure and Boride Formation of β-Solidifying γ-TiAl TNM Alloy
Bernal, Daniel; chamorro, xabier; Hurtado, Iñaki (MDPI AG, 2020)Boron is a unique and popular grain refiner element in cast titanium aluminide (TiAl) alloys, as it helps to improve mechanical properties if properly alloyed. However, the formation mechanism of different types of borides ... -
Effect of the crucible composition on the Inconel 718 vacuum induction melting process efficiency
Garcia-Michelena, Pablo; chamorro, xabier; Herrero-Dorca, Nuria; Bernal, Daniel; Hurtado, Iñaki (Elsevier, 2023)Nickel-based superalloys are widely employed to manufacture aero-engine turbines due to their high mechanical strength and resistance to corrosion and creep. Vacuum Induction Melting (VIM) is a suitable manufacturing ... -
Effectivity of fluoride treatment on hydrogen and corrosion product generation in temporal implants for different magnesium alloys
Trinidad Naranjo, Javier; Arruebarrena, Gurutze; Hurtado, Iñaki; Sáenz de Argandoña, Eneko (Sage Journals, 2013)The increasing interest on magnesium alloys relies on their biocompatibility, bioabsorbility and especially on their mechanical properties. Due to these characteristics, magnesium alloys are becoming a promising solution ... -
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 ... -
Friction Stir Welding of AA2099-T83 and AA2060-T8E30 Aluminium Alloys with New Cr-Free Surface Treatments and Sealant Application
Hurtado, Iñaki (MDPI, 2021)The feasibility for friction stir welding (FSW) surface-treated AA2099-T83 aluminium extrusions with AA2060-T8E30 aluminium sheets in the overlap configuration and using a sealant at the interface was investigated in this ... -
Friction stir welding technology for advanced manufacturing of aircraft structures
Aldanondo, Egoitz (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2022)One of the current challenges in the aeronautic sector is the reduction of fuel consumption aiming at energy efficiency, reduction of emissions as well as reductions in operational costs of the aircraft. In order to face ... -
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. ... -
Induction Skull Melting of Ti-6Al-4V: Process Control and Efficiency Optimization
chamorro, xabier; Herrero-Dorca, Nuria; Bernal, Daniel; Hurtado, Iñaki (MDPI AG, 2019)Titanium investment casting is one of the leading and most e cient near-net-shape manufacturing processes, since complex shape components are possible to obtain with a very low amount of material waste. But melting these ... -
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 ... -
Influence of Surface Finish and Porosity on the Fatigue behaviour of A356 Aluminium Casting Alloy
Hidalgo, Raquel; Esnaola, Jon Ander; Llavori, Inigo; Larrañaga, Miren; Herrero-Dorca, Nuria; Hurtado, Iñaki; Kortabarria, Aitor (EDP Sciences, 2018)In casting parts, due to the manufacturing process, the presence of defects such as porosity, inclusions and oxide films is unavoidable. All these irregularities have a negative effect on the component ... -
Initiation of dynamic recrystallization of as-cast N08028 alloy
Mora Serrano, Elena; Mendiguren, Joseba; Hurtado, Iñaki (ESAFORM, 2021)The use of high nickel content austenitic stainless steels (SASS) has significantly increased in the last decade. The corrosion and high fatigue resistance of these materials make them suitable for manufacturing oil country ... -
Integration of Hot Isostatic Pressing and Heat Treatment for Advanced Modified gamma-TiAl TNM Alloys
Bernal, Daniel; chamorro, xabier; Hurtado, Iñaki (MDPI, 2022)The conventional processing route of TNM (Ti-Nb-Mo) alloys combines casting and Hot Isostatic Pressing (HIP) followed by forging and multiple heat treatments to establish optimum properties. This is a time-consuming and ... -
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 ... -
Microstructural evolution analysis during the near solidus forming process: the case of AISI 316
Sánchez-Fernández, Andrea (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2023)The current trend in manufacturing processes aims for the reduction of steps and the decrease of raw material used. In order to achieve this with high melting point alloys such as steels, a new process was defined under ...
