Search Results - "Pèrez Alcazar, G.A."

Study of Fe–Ni alloys produced by mechanical alloying by Valderruten, J.F., Pèrez Alcazar, G.A., Greneche, J.M.

“…Fe 1− x Ni x samples with 0.225 ⩽ x ⩽ 0.400 were prepared by mechanical alloying. XRD studies showed that this group of samples presents the bcc and fcc phases…”
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Effect of Al content on the low-stress abrasive wear behaviour of Fe-18Mn-xAl-0.7C alloys by Rodríguez, J.S., Duran, J.F., Aguilar, Y., Alcazar, G.A. Perez, Toro, A., Zambrano, O.A.

“…The low-stress ASTM-G65 abrasive wear behaviour was studied in a system of high manganese steels Fe-18Mn-xAl-0.7C with aluminium contents of 0%, 3%, 6% and…”
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The dissipative function in magnetic systems by Salazar, M., Alcazar, G.A. Pérez

“…This study presents a calculation that relates the temporal change in the total energy of a magnetic system (as permalloy thin sheets that have a considerable…”
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Coercive field and Grüneisen's law by Salazar, M., Pérez Alcazar, G.A.

“…The general expression of the blocking temperature for a superparamagnetic system depends on the volume of the particle, but in this expression the volume is…”
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Landau–Lifshitz–Gilbert equation with symmetric coefficients of the dissipative function by Salazar, M., Pérez Alcazar, G.A.

“…A method to introduce the damping terms in the equations of motion of magnetization in a material consists in defining a positive dissipative function that has…”
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Landau–Lifshitz–Gilbert equation with symmetric coefficients of the dissipative function II by Salazar, M., Pérez Alcazar, G.A.

“…In a previous study (Salazar and Perez Alcazar, 2015) we obtained the modified Landau–Lifshitz–Gilbert equation. The modification consisted in proposing a…”
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Magnetism in Granular Systems II by Salazar, M., Pérez Alcazar, G. A.

“…Considering that the dipolar magnetic interaction plays an important role in the study of the magnetic properties of nano- and microparticulated systems, in…”
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Structural and magnetic properties of rapidly solidified and Bi-bonded hot compacted Mn53.3−xAl45C1.7Tix magnets by Hernández, J.S. Trujillo, Maccari, F., Tabares, J.A., Skokov, K.P., Alcázar, G.A. Pérez, Gutfleisch, O., Ener, S.

“…This study examines the impact of Ti doping on the phase formation and magnetic properties of Mn–Al–C alloys. Using melt spinning, we synthesized…”
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Structural and magnetic properties of rapidly solidified and Bi-bonded hot compacted Mn 53 . 3 − x Al45C1.7Ti x magnets by Hernández, J.S. Trujillo, Maccari, F., Tabares, J.A., Skokov, K.P., Alcázar, G.A. Pérez, Gutfleisch, O., Ener, S.

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Evidence of dipolar magnetic field in mechanically alloyed Fe50Al50 samples by Bustos, H., Oyola, D., Rojas, Y., Perez Alcazar, G.A., Gonzalez, J.M., Margineda, D.

“…► The big size distribution of mechanically alloyed FE50Al50 powders was avoided by sieving to different meshes. ► Show that the mean hyperfine magnetic field…”
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Low temperature study of micrometric powder of melted Fe50Mn10Al40 alloy by Zamora, Ligia E., Pérez Alcazar, G.A., Tabares, J.A., Romero, J.J., Martinez, A., Gonzalez, J.M., Palomares, F.J., Marco, J.F.

“…Melted Fe50Mn10Al40 alloy powder with particle size less than 40μm was characterized at room temperature by XRD, SEM and XPS; and at low temperatures by…”
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Effect of disorder on the structural and magnetic properties of the Fe50Si50 nanostructured system by Piamba, J.F., Pérez Alcázar, G.A.

“…By an adequate preparation route, beginning from a Fe50Si50 melted sample, an ordered FeSi simple cubic (sc) phase was obtained. After a milling process the…”
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Evidence of exchange coupling in τ-MnAlC/FeCo system by Martínez Sánchez, H., Zamora Alfonso, L.E., Trujillo Hernandez, J.S., Pérez Alcázar, G.A.

“…•The structural and magnetic properties of Mn53.3Al45C1.7 and Fe65Co35 were studied.•It can be concluded that the soft and hard particles are…”
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Magnetic τ-MnAlC thin film fabrication by high-vacuum thermal evaporation by Gamez, J.D., Martínez-Sánchez, H., Valenzuela, J.L., Marín, L., Rodríguez, L.A., Snoeck, E., Zamora, L.E., Pérez Alcázar, G.A., Tabares, J.A.

“…•Magnetic τ-MnAlC thin films were fabricated by high-vacuum thermal evaporation.•High-concentration τ-MnAlC films were obtained by using a homogeneous τ-MnAlC…”
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Theoretical and experimental comparative study about magnetic behavior of Fe-Al alloys in the high Fe concentration region by Reyes-Gómez, F., Aguirre-Contreras, W.R., Pérez Alcázar, G.A., Tabares, J.A.

“…In this research, annealing samples of Fe100-qAlq (with q ≤ 600/32; Δq = 100/32) were obtained by arc-melting. These were heat treated at 1000 °C during a week…”
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Failure analysis in sugar cane cutter base blades by Rodríguez, J.S., Duran, J.F., Aguilar, Y., Alcázar, G.A. Pérez, Zambrano, O.A.

“…•Failure analysis of a sugar cane cutting blade.•Wear in components of the agricultural industry.•Mössbauer spectroscopy and x-ray diffraction for the study of…”
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Influence of atomic ordering on sigma phase precipitation of the Fe50Cr50 alloy by Vélez, G.Y., Pérez Alcázar, G.A.

“…•σ-FeCr phase can be delayed when α-FeCr phase is ordered.•The formation of σ phase is favored by concentration gradients of α phase.•We determine the iron…”
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Low temperature study of mechanically alloyed Fe 67.5 Ni 32.5 Invar sample by Valenzuela, J.L., Valderruten, J.F., Pérez Alcázar, G.A., Colorado, H.D., Romero, J.J., González, J.M., Greneche, J.M., Marco, J.F.

“…The study at low temperatures of powder of the Invar alloy, Fe67.5Ni32.5, produced by mechanical alloying, shows that the sample presents two structural…”
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Effect of cobalt substitution on structure and magnetic properties of Nd0.4Zr0.6Fe10–Co Si2 (x = 0–3) alloys and their ribbons by Gjoka, M., Sarafidis, C., Giannopoulos, G., Niarchos, D., Hadjipanayis, G., Tabares, J.A., Pérez Alcázar, G.A., Zamora, L.E.

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Systematic study of the dependence of magnetic and structural properties of Nd2Fe14B powders on the average particle size by Durán Perdomo, J.F., Pérez Alcázar, G.A., Colorado, H.D., Tabares, J.A., Zamora, L.E., Garitaonandia, J.J.S.

“…A systematic study of the magnetic and structural properties dependence on the particle size was realized. For this, commercial NdFeB powder was separated into…”
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