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Mostrando ítems 21-30 de 87
Artículo
Enhancing the electrical conductivity of in-situ reduced graphene oxide-zirconia composites through the control of the processing routine
(Elsevier, 2021)
Graphene oxide (GO) was mixed with 3 mol% yttria tetragonal zirconia polycrystal (3YTZP) using two powder processing routines: a colloidal method in an aqueous solution and a combination of ultrasonication with high-energy ...
Artículo
Comment on: Refractive and keratometric outcomes of supervised novice surgeon performed limbal relaxing incisions
(Wolters Kluwer Health, 2021)
Artículo
Could the percent tissue altered (PTA) index be considered as a unique factor in ectasia risk assessment?
(Springer Nature, 2020-12)
Purpose: To evaluate the efficacy, safety, predictability and stability of the percent tissue altered (PTA) formula in post-LASIK (laser-assisted in situ keratomileusis) ectasia risk assessment. Methods: One hundred and ...
Artículo
Influence of Milling Time on the Homogeneity and Magnetism of a Fe70Zr30 Partially Amorphous Alloy: Distribution of Curie Temperatures
(MDPI, 2020)
In this work, the mechanically alloyed Fe70Zr30 (at. %) composition has been used to study the influence of milling time on its homogeneity and magnetic properties. The microstructure and Fe environment results show the ...
Artículo
Mutation in ROBO3 Gene in Patients with Horizontal Gaze Palsy with Progressive Scoliosis Syndrome: A Systematic Review
(MDPI, 2020)
Horizontal gaze palsy with progressive scoliosis (HGPPS) is a rare, inherited disorder characterized by a congenital absence of conjugate horizontal eye movements with progressive scoliosis developing in childhood and ...
Artículo
Electrochemically exfoliated graphene-like nanosheets for use in ceramic nanocomposites
(Multidisciplinary Digital Publishing Institute (MDPI), 2020)
In this work, the synthesis of graphene-like nanosheets (GNS) by an electrochemical exfoliation method, their microstructural characterization and their performance as fillers in a ceramic matrix composite have been assessed. ...
Artículo
High temperature mechanical properties of polycrystalline Y2SiO5
(Elsevier, 2021)
The high temperature mechanical properties of polycrystalline Y2SiO5 were studied in compression at temperatures in the range of 1200–1400 °C, both in constant strain rate and constant stress experiments. To examine the ...
Artículo
Flexure Strength and Fracture Propagation in Zirconia Ceramic Composites with Exfoliated Graphene Nanoplatelets
(Multidisciplinary Digital Publishing Institute (MDPI), 2020)
In this work, the flexure strength and fracture propagation mechanisms in yttria tetragonal zirconia (3YTZP) dense composites with 1 and 5 vol.% exfoliated graphene nanoplatelets (e-GNP) were assessed. The composite powders ...
Artículo
Experimental method to determine specific heat capacity and transition enthalpy at a first-order phase transition: Fundamentals and application to a Ni-Mn-In Heusler alloy
(Elsevier, 2021-09-28)
A new method that characterizes thermal properties during a first-order phase transition is described. The technique consists in exciting the sample by a series of constant frequency thermal pulses which one in every N ...
Artículo
Critical Influence of the Processing Route on the Mechanical Properties of Zirconia Composites with Graphene Nanoplatelets
(MDPI, 2021)
Graphene-based nanostructures, used as potential reinforcement in ceramic composites, have a great tendency to agglomerate. This requires the use of homogenization techniques during the powder processing, posing the need ...