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Ponencia
Use of Urea and Ammonia to Produce High-Strength PM Aluminium Parts
(European Powder Metallurgy Association (EPMA), 2011)
Two methods to obtain bulk nanostructured aluminium parts are compared. The first one consists on milling Al powder in an ammonia gas atmosphere. In the second method, the Al powder is milled in vacuum with the addition ...
Artículo
Influence of Milling Atmosphere on the Controlled Formation of Ultrafine Dispersoids in Al-Based MMCs
(MDPI, 2016)
Properties of compacts made from aluminium powder, milled under different atmospheres, were evaluated. The duration of all the milling processes was 10 h, although different atmospheres were tested: vacuum, confined ...
Artículo
Nanocrystalline Al Composites from Powder Milled under Ammonia Gas Flow
(Hindawi Publishing Corporation, 2014)
The production of high hardness and thermally stable nanocrystalline aluminium composites is described. Al powder was milled at room temperature in an ammonia flow for a period of less than 5 h. NH3 dissociation during ...
Tesis Doctoral
MMCS de aluminio nanoestructurado obtenidos mediante molienda en flujo de amoniaco gaseoso.
(2014-02-20)
Es un hecho que la nanotecnología y, en general, los procesos relacionados con nanoestructuras, puede aportar soluciones novedosas en muy diversas aplicaciones de la actividad humana. De ahí el interés de la investigación ...
Patente
Método para la fabricación pulvimetalúrgica de imanes
(Oficina Española de Patentes y Marcas , 2015-08-20)
La presente patente tiene por objeto presentar un nuevo método para la fabricación pulvimetalúrgica de imanes (aplicable especialmente a la fabricación de imanes que contienen tierras raras). Lo novedoso del método reside ...
Ponencia
High temperature behavior of nanostructured Al powders obtained by mechanical alloying under NH3 flow
(American Institute of Physics Inc., 2015-03)
Aluminium powder was mechanically alloyed under ammonia gas flow for different times (1-5 h) in order to produce a second-phase reinforcement, mainly by aluminium nitride (AlN). After milling, powders were consolidated ...
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
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 ...