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Mostrando ítems 11-19 de 19
Artículo
In Situ Synthesis of Al-Based MMCs Reinforced with AlN by Mechanical Alloying under NH3 Gas
(MDPI, 2018)
Aluminum matrix composites (AMCs) reinforced by aluminum nitride were prepared by mechanical alloying followed by a simple press and sintering method. Milling began under vacuum and after a period of between 1 and 4 h, ...
Artículo
Ceramic dies selection for electrical resistance sintering of metallic materials
(Elsevier, 2019)
Processing metallic powders by electrical resistance sintering requires the use of insulating ceramics dies. Selecting the appropriate ceramic material according to the electrical, thermal and mechanical properties is a ...
Artículo
Medium-frequency electrical resistance sintering of oxidized C.P. iron powder
(MDPI, 2018)
Commercially pure (C.P.) iron powders with a deliberate high degree of oxidation were consolidated by medium-frequency electrical resistance sintering (MF-ERS). This is a consolidation technique where pressure, and heat ...
Artículo
Synthesis and characterization of in situ-reinforced Al–AlN composites produced by mechanical alloying
(Elsevier, 2017)
This research is focused on the production of aluminum matrix composites (AMCs) reinforced with various percentages of aluminum nitride (AlN). For this purpose, aluminum powder was milled at room temperature for a total ...
Tesis Doctoral
Simulación y fabricación de piezas pulvimetalúrgicas mediante consolidación eléctrica con corriente de media frecuencia
(2015-12-14)
Objetivos: La Tesis se centra en el desarrollo y simulación de una nueva tecnología de consolidación pulvimetalúrgica rápida aplicable a polvos metálicos. Para lograr la rapidez deseable se propone una modalidad de ...
Ponencia
Phase stability, porosity distribution and microstructural evolution of amorphous Al50Ti50 powders consolidated by electrical resistance sintering
(American Institute of Physics Inc., 2015-03)
The effect of intensity and duration of the electrical resistance sintering process on the phase stability, porosity distribution and microstructural evolution of Al50Ti50 amorphous powders is studied. The phase ...
Patente. Invención
Método para la fabricación pulvimetalúrgica de núcleos magnéticos
(Oficina Española de Patentes y Marcas (OEPM), 2015-05-20)
Método para la fabricación pulvimetalúrgica de núcleos magnéticos que se caracteriza porque comprende (i) una primera etapa de amorfización de una mezcla de polvos magnéticamente blandos mediante molienda mecánica; y ...
Ponencia
Fabricación y caracterización de núcleos magnéticos de aleaciones amorfas mediante ruta pulvimetalúrgica simple y económica
(Área de Innovación y Desarrollo, 2016)
La fabricación de núcleos amorfos (tanto para motores eléctricos, como transformadores) es una tarea compleja que hasta ahora ha requerido la fabricación del material amorfo en forma de cintas de fino espesor (mediante ...
Artículo
A Method to Determine the Electrical Resistance of a Metallic Powder Mass under Compression
(MDPI, 2017-11-06)
In this paper, a phenomenological model to predict the value of the electrical resistance of a compressed metal powder mass is proposed. The model, based on the experimental compressibility and resistivity-porosity curves, ...