Search Results - "Ortiz, L A"

X-ray diffraction analysis of a severely plastically deformed aluminum alloy by Ortiz, A.L., Shaw, L.

“…The crystallite size, lattice microstrain, lattice parameter, and formation of solid solutions of a nanocrystalline Al 93Fe 3Cr 2Ti 2 alloy prepared via…”
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Determination of optical properties in nanostructured thin films using the Swanepoel method by Sánchez-González, J., Díaz-Parralejo, A., Ortiz, A.L., Guiberteau, F.

“…We present the methodological framework of the Swanepoel method for the spectrophotometric determination of optical properties in thin films using…”
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Anton syndrome after subarachnoid hemorrhage and delayed cerebral ischemia: A case report by Ricardo, Barojas-Alvarez Manuel, Mariana, Longoria-Ibarrola Erika, AL, Sosa-Ortiz, Manuel, Calleja-Castillo Juan, Jesus, Ramirez-Bermudez

“…•Bilateral occipital damage is not sufficient for the onset of visual anosognosia.•Anton syndrome may result from bilateral occipital and right frontoparietal…”
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Interrogation of the microstructure and residual stress of a nickel-base alloy subjected to surface severe plastic deformation by Ortiz, A.L., Tian, J.W., Villegas, J.C., Shaw, L.L., Liaw, P.K.

“…A low stacking-fault energy nickel-base, single-phase, face-centered-cubic (fcc) alloy has been subjected to surface severe plastic deformation (S 2PD) to…”
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Effect of prenatal dexamethasone on rat renal development by Ortiz, Luis A., Quan, Albert, Weinberg, Arthur, Baum, Michel

“…Effect of prenatal dexamethasone on rat renal development. Prenatal insults can program the developing fetus to develop diseases that manifest in later life…”
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Mechanical-acoustical analogy: From laboratory to home during the COVID-19 pandemic by Machuca-Tzili, F. Arturo, Padilla-Ortiz, A. L., Martínez-Gutiérrez, Daniel

“…A clear comprehension of the oscillatory nature of sound for acoustics undergraduate students is of paramount importance. In this paper, two online experiments…”
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Hardness degradation in liquid-phase-sintered SiC with prolonged sintering by Borrero-López, O., Pajares, A., Ortiz, A.L., Guiberteau, F.

“…The effect of the sintering time on the Vickers hardness of liquid-phase-sintered SiC with 10 wt% YAG additives was studied for materials fabricated in Ar and…”
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An analytical model for the determination of crystallite size and crystal lattice microstrain distributions in nanocrystalline materials from the variance of the X-ray diffraction peaks by Sánchez-Bajo, F., Ortiz, A. L., Cumbrera, F. L.

“…An analytical model for the determination of crystallite size and crystal lattice microstrain distributions in nanocrystalline (nc) materials by X-ray…”
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Symmetric gradient-index media reconstruction by Gómez-Correa, J. E., Padilla-Ortiz, A. L., Trevino, J. P., Jaimes-Nájera, A., Lozano-Crisóstomo, N., Cornejo-Rodriguez, A., Chávez-Cerda, S.

“…Ray tracing in gradient-index (GRIN) media has been thoroughly studied and several ray tracing methods have been proposed. Methods are based on finding the ray…”
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A comparative study of the tribological performance of ferrofluids and magnetorheological fluids within steel–steel point contacts by Shahrivar, K., Ortiz, A.L., de Vicente, J.

“…The lubricating properties of two different magnetic colloids were evaluated both in the absence and presence of external magnetic fields under sliding…”
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Novel analytical model for the determination of grain size distributions in nanocrystalline materials with low lattice microstrains by X-ray diffractometry by Sánchez-Bajo, F., Ortiz, A.L., Cumbrera, F.L.

“…We have developed a novel, analytical model for the determination of grain size distributions in nanocrystalline (nc) materials with low internal stresses by…”
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Generalization of ray tracing in symmetric gradient-index media by Fermat’s ray invariants by Gómez-Correa, J. E., Padilla-Ortiz, A. L., Jaimes-Nájera, A., Trevino, J. P., Chávez-Cerda, S.

“…Ray tracing in gradient-index (GRIN) media has been traditionally performed either by using the analytical or numerical solutions to the Eikonal equation or by…”
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Effect of sintering atmosphere on the mechanical properties of liquid-phase-sintered SiC by ORTIZ, A. L, MUNOZ-BERNABE, A, BORRERO-LOPEZ, O, DOMINGUEZ-RODRIGUEZ, A, GUIBERTEAU, F, PADTURE, N. P

“…It has been demonstrated that sintering atmosphere (Ar or N2) exerts a strong influence on the microstructural evolution in liquid-phase-sintered (LPS) SiC…”
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Tensile properties of a nickel-base alloy subjected to surface severe plastic deformation by Tian, J.W., Dai, K., Villegas, J.C., Shaw, L., Liaw, P.K., Klarstrom, D.L., Ortiz, A.L.

“…A surface severe plastic deformation (S 2PD) method has been applied to bulk specimens of HASTELLOY ® C-2000 alloy, a nickel-base alloy. The mechanical…”
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Crystal-size dependence of the spark-plasma-sintering kinetics of ZrB2 ultra-high-temperature ceramics by Zamora, V, Ortiz, A L, Guiberteau, F, Nygren, M

“…The crystal-size dependence of the spark-plasma-sintering (SPS) kinetics of ZrB2 ultra-high-temperature ceramics (UHTCs) was investigated. Refining the…”
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Binaural speech intelligibility through personal and non-personal HRTF via headphones, with added artificial noise and reverberation by Orduña-Bustamante, Felipe, Padilla-Ortiz, A.L., Torres-Gallegos, Edgar A.

“…Subjective intelligibility tests were carried out by processing speech through personal and non-personal Head-Related Transfer Functions (HRTF) for azimuth…”
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A route for the pressureless liquid-phase sintering of SiC with low additive content for improved sliding-wear resistance by Ortiz, A.L., Borrero-López, O., Quadir, M.Z., Guiberteau, F.

“…A colloidal processing route has been developed for the pressureless sintering of dense SiC with a low content of sintering additives. In this route, a sol–gel…”
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Determination of the thermal stability and isothermal bulk modulus of the ZrO2 polymorphs at room temperature by molecular dynamics with a semi-empirical quantum-chemical model by ORTIZ, A. L, SANCHEZ -GONZALEZA, J, GONZALEZ-MENDEZ, L. M, CUMBRERA, F. L

“…The thermal stability and isothermal bulk modulus of the cubic (c), tetragonal (t), and monoclinic (m) ZrO2 polymorphs at room temperature were determined by…”
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X-ray powder diffraction analysis of a silicon carbide-based ceramic by Ortiz, A.L, Sánchez-Bajo, F, Cumbrera, F.L, Guiberteau, F

“…Accurate X-ray powder diffraction (XRD) analysis of SiC-based ceramics is a difficult task due to the significant overlap of the Bragg reflections from the…”
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Similar clinical improvement and maintenance after rTMS at 5 Hz using a simple vs. complex protocol in Alzheimer's disease by Alcalá-Lozano, R., Morelos-Santana, E., Cortés-Sotres, J.F., Garza-Villarreal, E.A., Sosa-Ortiz, A.L., González-Olvera, J.J.

“…Current treatments for Alzheimer's disease (AD) have a limited clinical response and methods, such as repetitive transcranial magnetic stimulation (rTMS), are…”
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