A5010841974- Advanced materials and composites
- Fusion materials and technologies
- Nuclear Materials and Properties
- High-Temperature Coating Behaviors
- Metal Alloys Wear and Properties
- Metal and Thin Film Mechanics
- Hydrogen embrittlement and corrosion behaviors in metals
- Microstructure and Mechanical Properties of Steels
- High Entropy Alloys Studies
- Advanced ceramic materials synthesis
- Aluminum Alloys Composites Properties
- High Temperature Alloys and Creep
- Microstructure and mechanical properties
- Metallurgical Processes and Thermodynamics
- Advanced Materials Characterization Techniques
- Powder Metallurgy Techniques and Materials
- Diamond and Carbon-based Materials Research
- Nuclear reactor physics and engineering
- Concrete and Cement Materials Research
- Welding Techniques and Residual Stresses
- Metallurgy and Material Forming
- Corrosion Behavior and Inhibition
- High-Velocity Impact and Material Behavior
- Magnesium Alloys: Properties and Applications
- Force Microscopy Techniques and Applications
IMDEA Materials
2015-2022
Joint Research Centre
2022
Madrid Institute for Advanced Studies
2015
Unidades Centrales Científico-Técnicas
2014
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
2011-2014
Universidad Complutense de Madrid
2011-2014
Cenim - Centro Nacional de Investigaciones Metalurgicas
2004-2007
Consejo Superior de Investigaciones Científicas
2004-2007
The segregation of manganese during solidification from casting is responsible for banding problems dual phase steels. Microstructural lasts all the manufacture process, producing deterioration material, so final ductility and impact toughness sheets are decreased due to high level anisotropy. To avoid or reduce problem microstructural banding, it proposed modify hot rolling parameters formation ferrite-pearlite microstructures avoided thus presence banding. study evolution whole...
Austenite formation during a continuous heating in low carbon niobium microalloyed steel with pearlite and ferrite initial microstructure has been studied. Characteristic transformation temperatures, Ac 1 , θ 3 the evolution of austenite have determined by combining dilatometry metallography range rates from 0˙05 to 10 K s –1 . It observed that nucleation growth depends highly on applied rate. At (0˙05 ) takes place both at nodules grain boundaries, while for higher (≥0˙5 ), boundaries is...
This article addresses the development of high-entropy alloys (HEAs) fabricated via Powder Metallurgy (PM) techniques. There are potential opportunities for PM techniques to produce ‘different’ HEAs and offer alternative routes obtain special compositions. The is vast, obtained properties highly competitive with those from produced by ingot casting. Considerable work must still be done provide market reasons use instead other processing routes. Since [Torralba JM, Alvaredo P, García-Junceda...
The high-energy milling is one of the most extended techniques to produce Oxide dispersion strengthened (ODS) powder steels for nuclear applications. consequences high energy mill process on final powders can be measured by means deformation level, size, morphology and alloying degree. In this work, an ODS ferritic steel, Fe–14Cr–5Al–3W-0.4Ti-0.25Y2O3-0.6Zr, was fabricated using two different mechanical (MA) conditions (Mstd Mact) subsequently consolidated Spark Plasma Sintering (SPS)....
Ferritic oxide dispersion strengthened (ODS) alloys are candidate materials to be used as cladding for long term fast reactors, due their high strength at temperature and good swelling irradiation resistances. The fabrication of tubes is usually made by a succession cold deformation steps where induced anisotropic microstructure could take place, which would affect the mechanical behaviour tube. characterisation this microstructural anisotropy one key issues in development ODS tubes. In...
Las tecnologías y medios para desarrollar plantas de biomasa con alta eficiencia en la conversión energía son esenciales asentar como una fuente renovable. Los sistemas turbinas gas ciclo combinado (CCGT) permiten elevar las del 35 % actual al 45 %. Sin embargo, conseguir estos niveles energía, el intercambiador calor caldera debe trabajar condiciones extremas temperatura (por encima 1100 °C) presión (en torno a 15-30 bar). aceros ODS ferríticos clase material avanzado específicamente...
Two different zirconium contents (0.45 and 0.60 wt.%) have been incorporated into a Fe-14Cr-5Al-3W-0.4Ti-0.25Y2O3 oxide dispersion-strengthened (ODS) steel in order to evaluate their effect on the final microstructure mechanical properties. The powders with targeted compositions were obtained by alloying (MA), subsequently processed spark plasma sintering (SPS) at two heating rates: 100 400 °C·min−1. Non-textured bimodal microstructures composed of micrometric ultrafine grains obtained....
An oxide dispersion strengthened ( ODS ) ferritic steel with nominal composition Fe‐14Cr‐5Al‐3W‐0.4Ti‐0.25Y 2 O 3 ‐0.6ZrO was produced by mechanical alloying MA ), based on a prealloyed grade Fe‐14Cr‐5Al‐3W the addition of Ti element, Y and ZrO , subsequent consolidation means field assisted hot pressing FAHP ). The microstructure properties were analyzed compared reference material . zirconia increased volume fraction smallest equiaxed nano‐grains decreased quantity larger aluminum...
In this work, new oxide dispersion strengthened (ODS) ferritic steels have been produced by powder metallurgy using an alternative processing route and characterized afterwards comparing them with a base ODS steel Y2O3 Ti additions. Different alloying elements like boron (B), which is known as inhibitor of grain growth obtained pinning boundaries, complex compounds (Y-Ti-Zr-O) introduced to the 14Cr prealloyed mechanical (MA) were further consolidated spark employing plasma sintering (SPS)....