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Tesis Doctoral
Estudio del comportamiento a corrosión de sinterizados de aluminio con formación de carburos y nitruros in situ
(2016-09-20)
Las necesidades cada vez más exigentes de materiales de alta resistencia específica, usados principalmente en la industria aeronáutica, hacen que se hayan producido grandes avances en la fabricación de materiales compuestos ...
Artículo
Fracture toughness of cemented carbides obtained by electrical resistance sintering
(Elsevier, 2019)
The unique combination of hardness, toughness and wear resistance exhibited by WC-Co cemented carbides (hardmetals) has made them a preeminent material choice for extremely demanding applications, such as metal cutting/forming ...
Artículo
Production of Ultrafine Grained Hardmetals by Electrical Resistance Sintering
(MDPI, 2019-02)
In this work, powders of cemented ultrafine WC-6 wt.% Co were consolidated. The feasibility of the medium frequency electrical resistance sintering (MF-ERS) technique were studied to prevent WC grain growth during ...
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 ...
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
Amorphous Al-Ti Powders Prepared by Mechanical Alloying and Consolidated by Electrical Resistance Sintering
(MDPI, 2019-10)
A novel processing method for amorphous Al50Ti50 alloy, obtained by mechanical alloying and subsequently consolidated by electrical resistance sintering, has been investigated. The characterisation of the powders and the ...
Tesis Doctoral
Estudio de la amorfización y consolidación mediante sinterización por resistencia eléctrica de polvos metálicos
(2012-05-16)
Las investigaciones de ingenieros y científicos de materiales han estado continuamente dirigidas a mejorar las propiedades y el comportamiento de los materiales. Mejoras importantes de propiedades mecánicas, químicas, y ...
Artículo
Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
(MDPI, 2019)
Cemented carbide is a hard composite material, used widely in a variety of industries. The value of the global tungsten carbide market is expected to grow by 4.4% (compound annual growth rate) from 2017 to 2022. One of the ...
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, ...