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Listar por autor "Astacio López, Raquel"
Mostrando ítems 1-20 de 22
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Artículo
A Method to Determine the Electrical Resistance of a Metallic Powder Mass under Compression
Montes Martos, Juan Manuel; Gómez Cuevas, Francisco de Paula; Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Cintas Físico, Jesús (MDPI, 2017-11-06)In this paper, a phenomenological model to predict the value of the electrical resistance of a compressed metal powder ...
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Artículo
Amorphous Phase Formation and Heat Treating Evolution in Mechanically Alloyed Ti–Cu Alloy for Biomedical Applications
Urban, Petr; Astacio López, Raquel; Ternero Fernández, Fátima; Náhlík, L.; Cintas Físico, Jesús (Springer, 2022-07-27)The present work aims to produce TixCu100-x (x = 90, 80, 70, and 60) amorphous alloys by using high energy ball mill. The ...
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Artículo
Amorphous Phase Formation and Heat Treating Evolution in Mechanically Alloyed Ti–Cu Alloy for Biomedical Applications
Urban, Petr; Astacio López, Raquel; Ternero Fernández, Fátima; Náhlík, L.; Cintas Físico, Jesús (Springer, 2022-12)The present work aims to produce TixCu100-x (x=90, 80, 70, and 60) amorphous alloys by using high energy ball mill. The ...
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Artículo
Consolidation by MF-ERS of mechanically alloyed Al powder
Sánchez Caballero, Eduardo; Ternero Fernández, Fátima; Astacio López, Raquel; Cuevas, F. G.; Montes Martos, Juan Manuel; Cintas Físico, Jesús (Elsevier, 2019-07)The aim of this work is to study the viability of producing, by medium-frequency electrical resistance sintering (MF-ERS), ...
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Artículo
Consolidation of iron powder by electrical discharge
Aranda, R. M.; Ternero Fernández, Fátima; Astacio López, Raquel; Urban, Petr; Cuevas, F. G. (Elsevier, 2022)Capacitor electrical discharge consolidation (CEDC) is a technique that uses the heat of the Joule effect of a high intensity ...
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Artículo
Crystallization Process and Microstructural Evolution of Melt Spun Al-RE-Ni-(Cu) Ribbons
Gómez Cuevas, Francisco de Paula; Lozano Pérez, Sergio; Aranda Louvier, Rosa María; Astacio López, Raquel (MDPI, 2020-03)The crystallization process, both at the initial and subsequent stages, of amorphous Al88-RE4-Ni8 alloys (RE = Y, Sm and ...
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Capítulo de Libro
Determinación de la dureza de los compactos de TI-AL sinterizados mediante resistencia eléctrica y preparados a partir de polvo amorfizado mediante molienda mecánica
Urban, Petr; Sánchez Caballero, Eduardo; Ternero Fernández, Fátima; Astacio López, Raquel (Área de innovación y desarrollo, S.L., 2021)Se ha aplicado un método novedoso para aumentar la dureza de una aleación de aluminio y titanio partiendo de polvo amorfo ...
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Artículo
Electrical discharge consolidation of Al and Ti powders
Ternero Fernández, Fátima; Aranda, R. M.; Urban, Petr; Astacio López, Raquel; Montes Martos, Juan Manuel (Elsevier, 2022-07-29)In this paper, electrical-discharge-consolidation (EDC technique) experiments were carried out with an equipment based on ...
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Tesis Doctoral
Fabricación de núcleos magnéticos amorfos mediante consolidación eléctrica
Astacio López, Raquel (2022-05-16)Se estudia la fabricación de núcleos magnéticos amorfos (destinados principalmente a motores y transformadores eléctricos) ...
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Trabajo Fin de Grado
Fabricación de polvo metálico con estructura nanocristalina y/o amorfa de la aleación Fe-Si-B-Cu-Nb mediante molienda mecánica de alta energía
Avilés Hernández, Óscar José (2023)El propósito de este proyecto ha sido el de estudiar el mecanismo de amorfización de una aleación formada por polvos de ...
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Artículo
Fracture toughness of cemented carbides obtained by electrical resistance sintering
Astacio López, Raquel; Gallardo Fuentes, José María; Cintas Físico, Jesús; Montes Martos, Juan Manuel; Gómez Cuevas, Francisco de Paula; Prakash, Leo; Torres Hernández, Yadir (Elsevier, 2019)The unique combination of hardness, toughness and wear resistance exhibited by WC-Co cemented carbides (hardmetals) has ...
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Artículo
Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
Gallardo Fuentes, José María; Agote, Íñigo; Astacio López, Raquel; Schubert, Thomas; Cintas Físico, Jesús; Montes Martos, Juan Manuel; Torres Hernández, Yadir; Gómez Cuevas, Francisco de Paula (MDPI, 2019)Cemented carbide is a hard composite material, used widely in a variety of industries. The value of the global tungsten ...
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Artículo
In Situ Synthesis of Al-Based MMCs Reinforced with AlN by Mechanical Alloying under NH3 Gas
Sánchez Caballero, Eduardo; Gómez Cuevas, Francisco de Paula; Ternero Fernández, Fátima; Astacio López, Raquel; Montes Martos, Juan Manuel; Cintas Físico, Jesús (MDPI, 2018)Aluminum matrix composites (AMCs) reinforced by aluminum nitride were prepared by mechanical alloying followed by a simple ...
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Artículo
Influence of processing parameters on the conduct of electrical resistance sintering of iron powders
Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Gómez Cuevas, Francisco de Paula; Montes Martos, Juan Manuel (MDPI, 2020-04)The influence of the applied pressure and electrical parameters on the macrostructure of specimens consolidated by the ...
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Artículo
Magnetic properties of iron powder sintered by medium-frequency electrical resistance sintering
Astacio López, Raquel; Urban, Petr; Ternero Fernández, Fátima; Aranda Louvier, Rosa María; Montes Martos, Juan Manuel (Elsevier, 2022)Medium-frequency electrical resistance sintering (MF-ERS) is a technique that uses the application of pressure and heat, ...
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Artículo
Mechanical alloying and amorphization of Ti75Cu25 alloy
Urban, Petr; Astacio López, Raquel; Aranda, R. M.; Ternero Fernández, Fátima; Cintas Físico, Jesús (Elsevier, 2022)Ti-Cu alloys are used in dental and medical applications, due to their good mechanical properties, corrosion resistance ...
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Artículo
Medium-frequency electrical resistance sintering of oxidized C.P. iron powder
Montes Martos, Juan Manuel; Gómez Cuevas, Francisco de Paula; Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Cintas Físico, Jesús (MDPI, 2018)Commercially pure (C.P.) iron powders with a deliberate high degree of oxidation were consolidated by medium-frequency ...
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Artículo
Medium-Frequency Electrical Resistance Sintering of Soft Magnetic Powder Metallurgy Iron Parts
Astacio López, Raquel; Ternero Fernández, Fátima; Cintas Físico, Jesús; Gómez Cuevas, Francisco de Paula; Montes Martos, Juan Manuel (MDPI, 2021-06)The fabrication of soft magnetic Fe parts by the medium-frequency electrical resistance sintering (MF-ERS) technique is ...
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Artículo
Modelling and Simulation of the Electrical Resistance Sintering Process of Iron Powders
Montes Martos, Juan Manuel; Cuevas, F. G.; Viña Reina, Francisco Javier de la; Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Cintas Físico, Jesús (Korean Institute of Metals and Materials, 2020-07)In this paper, the process known as Electrical Resistance Sintering under Pressure is modelled, simulated and validated. ...
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Artículo
Nickel Porous Compacts Obtained by Medium-Frequency Electrical Resistance Sintering
Ternero Fernández, Fátima; Sánchez Caballero, Eduardo; Astacio López, Raquel; Cintas Físico, Jesús; Montes Martos, Juan Manuel (MDPI, 2020-05)A commercially pure (c.p.) nickel powder was consolidated by Medium-Frequency Electrical Resistance Sintering (MF-ERS). ...