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Listar Ingeniería y Ciencia de los Materiales y del Transporte por autor "Astacio López, Raquel"
Mostrando ítems 1-20 de 23
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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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Capítulo de Libro
Characteristics of Mechanically Alloyed Amorphized Ferromagnetic Particles of Fe₇₈Si₂₂ Y Fe₇₈Si₉B₁₃
Astacio López, Raquel; Aranda Louvier, Rosa María; Urban, Petr; Ternero Fernández, Fátima (Springer, 2024)In this work, the obtaining of amorphized ferromagnetic particles by mechanical milling has been studied. For this purpose, ...
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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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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
Milling amorphous FeSiB ribbons with vibratory ball and disc mills
Aranda, R.M.; Astacio López, Raquel; Urban, Petr; Soto Aranda, Beatriz; Cuevas, Francisco G. (Elsevier, 2024-05-15)Fe, Si and B powders, mixed with atomic composition Fe78Si9B13, are subjected after arc melting to a melt spinning ...
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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. ...