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Listar por autor "Manchón Gordón, Alejandro F."
Mostrando ítems 1-17 de 17
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Artículo
A procedure to obtain the parameters of Curie temperature distribution from thermomagnetic and magnetocaloric data
Manchón Gordón, Alejandro F.; Moreno Ramírez, Luis Miguel; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Franco García, Victorino; Conde Amiano, Alejandro (Elsevier, 2019)We propose a procedure for the determination of the parameters of the Curie temperature distribution (TCD)in a compositionally ...
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Artículo
Comparative study of structural and magnetic properties of ribbon and bulk Ni55Fe19Ga26 Heusler alloy
Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Kowalczyk, M.; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Švec, P.; Kulik, T.; Conde Amiano, Alejandro (Elsevier, 2021)The influence of the fabrication method on the magnetostructural properties of a Ni55Fe19Ga26 Heusler alloy, ...
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Artículo
Correction of the Shape Effect on Magnetic Entropy Change in Ball Milled Fe70Zr30 Alloys
Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Moreno Ramírez, Luis Miguel; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Franco García, Victorino; Conde Amiano, Alejandro (Elsevier, 2018)The field dependence of the magnetic entropy change (ΔSM) after mechanical alloying of Fe70Zr30 composition starting from ...
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Artículo
Devitrification of Mechanically Alloyed Fe-Nb System: Mössbauer Study of the Intermetallic Phases
Manchón Gordón, Alejandro F.; Svec, P.; Ipus Bados, Jhon Jairo; Kowalczyk, M.; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro; Svec, P.; Kulik, T. (Springer Nature, 2020)Intermetallic phases in the Fe-Nb system have been obtained as products of the devitrification of a homogeneous amorphous ...
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Artículo
Distribution of transition temperatures in magnetic transformations: Sources, effects and procedures to extract information from experimental data
Manchón Gordón, Alejandro F.; López Martín, Raúl; Vidal Crespo, Antonio; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Multidisciplinary Digital Publishing Institute (MDPI), 2020)The presence of a distribution of transition temperatures (DTT) is ubiquitous in materials science. It is common to ascribe ...
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Artículo
Effect of Pressure on the Phase Stability and Magnetostructural Transitions in Nickel-rich NiFeGa Ribbons
Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Kowalczyk, M.; Wójcik, A.; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Maziarz, W.; Švec, P.; Kulik, T.; Conde Amiano, Alejandro (Elsevier, 2020)Ribbons of a Ni55Fe19Ga26 Heusler alloy were prepared by melt spinning technique. The effect of pressure on magnetostructural ...
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Tesis Doctoral
Estudio magnetoestructural y cinético de las transiciones de fase en estado sólido de aleaciones metaestables basadas en Fe
Manchón Gordón, Alejandro F. (2021-07-02)Esta tesis se centra en el análisis de las transformaciones de fase en estado sólido que exhiben ciertas aleaciones ...
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Artículo
Evolution of Fe environments and phase composition during mechanical amorphization of Fe70Zr30 and Fe70Nb30 alloys
Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Elsevier, 2018)Amorphous Fe-Zr and Fe-Nb alloys with 70 at.% Fe have been prepared by ball milling a mixture of elemental powders. The ...
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Artículo
Influence of Milling Time on the Homogeneity and Magnetism of a Fe70Zr30 Partially Amorphous Alloy: Distribution of Curie Temperatures
Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Conde Amiano, Alejandro; Conde Amiano, Clara Francisca (MDPI, 2020)In this work, the mechanically alloyed Fe70Zr30 (at. %) composition has been used to study the influence of milling time ...
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Artículo
Kinetic Analysis of the Transformation from 14M Martensite to L21 Austenite in Ni-Fe-Ga Melt Spun Ribbons
Manchón Gordón, Alejandro F.; López Martín, Raúl; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Svec, Sr. Peter; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Multidisciplinary Digital Publishing Institute (MDPI), 2021)In this study, the non-isothermal kinetics of the martensitic transition from 14M modulated martensite to austenite phase ...
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Artículo
Low Temperature Magnetic Transition of BiFeO₃ Ceramics Sintered by Electric Field-Assisted Methods: Flash and Spark Plasma Sintering
Manchón Gordón, Alejandro F.; Perejón Pazo, Antonio; Gil González, Eva; Kowalczyk, M.; Sánchez Jiménez, Pedro Enrique; Pérez Maqueda, Luis Allan (MDPI, 2022-12)Low temperature magnetic properties of BiFeO₃ powders sintered by flash and spark plasma sintering were studied. An anomaly ...
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Artículo
Milling effects on the distribution of Curie temperatures and magnetic properties of Ni-doped La0·7Ca0·3MnO3 compounds
Manchón Gordón, Alejandro F.; Gómez, Adrián; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Elsevier, 2020)A systematic study of the magnetic and magnetocaloric properties around the ferromagnetic-paramagnetic phase transition ...
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Artículo
Nanocrystallization Kinetics Understood as Multiple Microprocesses Following the Classical Theory of Crystallization
Manchón Gordón, Alejandro F.; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Elsevier, 2016)In this work, we propose a model for using the classical Johnson-Mehl-Avrami-Kolmogorov (JMAK) crystallization theory to ...
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Artículo
On the use of JMAK theory to describe mechanical amorphization: a comparison between experiments, numerical solutions and simulations
Blázquez Gámez, Javier Sebastián; Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (MDPI, 2018)The kinetics of amorphization during ball milling is generally analyzed using two different approaches: the classical ...
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Artículo
Reactive flash sintering of SrFe12O19 ceramic permanent magnets
Manchón Gordón, Alejandro F.; Sánchez Jiménez, Pedro Enrique; Blázquez Gámez, Javier Sebastián; Perejón Pazo, Antonio; Pérez Maqueda, Luis Allan (Elsevier, 2022)Reactive flash-sintering technique has been used in order to obtain strontium ferrite magnets from a mixture of SrCO3 and ...
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Artículo
Structural, Vibrational, and Magnetic Characterization of Orthoferrite LaFeO3 Ceramic Prepared by Reaction Flash Sintering
Manchón Gordón, Alejandro F.; Sánchez Jiménez, Pedro Enrique; Blázquez Gámez, Javier Sebastián; Perejón Pazo, Antonio; Pérez Maqueda, Luis A. (Multidisciplinary Digital Publishing Institute (MDPI), 2023)LaFeO3 perovskite ceramics have been prepared via reaction flash technique using Fe2O3 and La2O3 as precursors. The obtained ...
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Artículo
Ultraslow calorimetric studies of the martensitic transformation of NiFeGa alloys: detection and analysis of avalanche phenomena
Martín Olalla, José María; Vidal Crespo, Antonio; Romero Landa, Francisco Javier; Manchón Gordón, Alejandro F.; Ipus Bados, Jhon Jairo; Blázquez Gámez, Javier Sebastián; Gallardo Cruz, María del Carmen; Conde Amiano, Clara Francisca (Springer Nature, 2024-05)We study the thermal properties of a bulk Ni55 Fe19 Ga26 Heusler alloy in a conduction calorimeter. At slow heating and ...