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Browsing by Author "Blázquez Gámez, Javier Sebastián"
Now showing items 1-20 of 65
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Article
A constant magnetocaloric response in FeMoCuB amorphous alloys with different FeB ratios
Franco García, Victorino; Conde Amiano, Clara Francisca; Blázquez Gámez, Javier Sebastián; Conde Amiano, Alejandro; Švec, P.; Janičkovič, D.; Kiss, László Ferenc (AIP Publishing, 2007-05-04)The magnetocaloric effect of Fe91−xMo8Cu1Bx (x = 15 , 17 , 20) amorphous alloys has been studied. The temperature of the ...
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Article
A Finemet-type alloy as a low-cost candidate for high-temperature magnetic refrigeration
Franco García, Victorino; Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (AIP Publishing, 2006)The refrigerant capacity RC of Fe68.5Mo5Si13.5B9Cu1Nb3 alloy is studied. For the amorphous sample, RC=63 J kg−1 for an ...
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Article
A procedure to extract the magnetocaloric parameters of the single phases from experimental data of a multiphase system.
Ipus Bados, Jhon Jairo; Moreno Ramírez, Luis Miguel; Blázquez Gámez, Javier Sebastián; Franco García, Victorino; Conde Amiano, Alejandro (AIP Publishing, 2014)In this work, we propose a method to extract the individual parameters that describe the field dependence of magnetic ...
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Article
A Review of Different Models Derived from Classical Kolmogorov, Johnson and Mehl, and Avrami (KJMA) Theory to Recover Physical Meaning in Solid-State Transformations
Blázquez Gámez, Javier Sebastián; Romero Landa, Francisco Javier; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Wiley, 2022)The classical theory of solid-state transformation based on nucleation and growth processes, developed by Kolmogorov, ...
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Article
A unified approach to describe the thermal and magnetic hysteresis in Heusler alloys
Blázquez Gámez, Javier Sebastián; Franco García, Victorino; Conde Amiano, Alejandro; Gottschall, Tino; Skokov, Konstantin P.; Gutfleisch, Oliver (American Institute of Physics Publising LLC, 2016)Different excitations, like temperature, magnetic field, or pressure, can drive a martensitic transition in Heusler alloys. ...
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Article
Amorphization and evolution of magnetic properties during mechanical alloying of Co62Nb6Zr2B30: dependence on starting boron microstructure
Moreno Ramírez, Luis Miguel; Blázquez Gámez, Javier Sebastián; Ipus Bados, Jhon Jairo; Conde Amiano, Alejandro (Elsevier, 2014)Co62Nb6Zr2B30 composition was mechanically alloyed using three different types of boron powders in the starting mixture: ...
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Article
Analysis of nanocrystallization kinetics and crystal size distribution under limited growth approach
Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Elsevier, 2012)Two different simulation approaches have been used to describe nanocrystallization processes: a limited growth approach, ...
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Article
Ball milling nanocrystallization of arc-melted and melt-spun Fe78Co5Nb3Zr3B5Ge5Cu1 alloy: microstructure and magnetic properties
Blázquez Gámez, Javier Sebastián; Franco García, Victorino; Conde Amiano, Alejandro; Roth, Stefan (Taylor & Francis, 2006)The viability of developing a nanocrystalline microstructure for the Fe78Co5Nb3 Zr3B5Ge5Cu1 composition using a planetary ...
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Article
Cellular automata simulations on nanocrystallization processes: From instantaneous growth approximation to limited growth
Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Elsevier, 2011-07)Cellular automata simulations have been performed to simulate the crystallization process under a limited growth ...
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Article
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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Article
Comparison of equivalent ball milling processes on Fe70Zr30 and Fe70Nb30
Blázquez Gámez, Javier Sebastián; Ipus Bados, Jhon Jairo; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (Elsevier, 2012)Dynamical analysis of the movement of a single ball in a planetary ball mill yields a cubic law with the frequency of the ...
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Article
Correlation between microstructure and temperature dependence of magnetic properties in Fe 60 Co 18 ( Nb , Zr ) 6 B 15 Cu 1 alloy series
Blázquez Gámez, Javier Sebastián; Franco García, Victorino; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro; Ferenc, J.; Kulik, Tadeusz A.; Kiss, László Ferenc (AIP Publishing, 2009-05-14)Temperature dependence of magnetic properties of nanocrystalline Fe60Co18Cu1B15Nb6−xZrx (x =0, 3, 6) alloys has been studied ...
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PhD Thesis
Cristalización de aleaciones FeCoNbB(Cu) : Microestructura y propiedades magnéticas
Blázquez Gámez, Javier Sebastián (2002) -
Article
Crystallization kinetics and soft magnetic properties in metalloid-free (Fe, Co)90Zr10 amorphous and nanocrystalline alloys
Blázquez Gámez, Javier Sebastián; Ipus Bados, Jhon Jairo; Conde Amiano, Clara Francisca; Cabrera, David; Franco García, Victorino; Conde Amiano, Alejandro (Elsevier, 2014)Microstructure and magnetic properties of metalloid-free (Fe100- xCox)90Zr10 amorphous and nanocrystalline alloys were ...
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Article
Detection of the onset of nanocrystallization by calorimetric and magnetic measurements
Blázquez Gámez, Javier Sebastián; García Franco, Victorino; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro; Roth, Stefan (AIP Publishing, 2005-01-24)It is generally accepted that measurements of the magnetic properties are more sensitive than measurements of the enthalpy ...
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Article
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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Article
Effect of partial substitution of Ge for B on the high temperature response of soft magnetic nanocrystalline alloys
Blázquez Gámez, Javier Sebastián; Roth, Stefan; Conde Amiano, Alejandro (Elsevier, 2005)The effect of partial substitution of Ge for B in Fe78Co5Zr6B10Cu1 alloy on the microstructure, crystallization process ...
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Article
Effects of high temperature treatments in air and argon on the magnetic properties of HITPERM alloys
Blázquez Gámez, Javier Sebastián; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro; Roth, Stefan; Güth, Albert (Elsevier, 2006)The oxidation behavior of FeCo(NbZr)B(Cu) alloy series was studied. After heating up to 1073 K, an oxide layer View the ...
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Article
Enhanced cryogenic magnetocaloric effect in Eu8Ga16Ge30 clathrate nanocrystals
Biswas, Anis; Chandra, Sayan Rout; Stefanoski, S.; Blázquez Gámez, Javier Sebastián; Ipus Bados, Jhon Jairo; Conde Amiano, Alejandro; Phan, Manh Huong; Franco García, Victorino; Nolas, George S.; Srikanth, Hariharan (AIP Publishing, 2015)We observe an enhanced magnetic entropy change ( D S M ) at cryogenic temperatures (T < 20 K) in ...
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Final Degree Project
Estudio de transformaciones en estado sólido a partir de su comportamiento magnético
López Martín, Raúl (2019)