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Mostrando ítems 1-10 de 39
Artículo
Porous titanium substrates coated with a bilayer of bioactive glasses
(Elsevier, 2020-09)
Porous titanium substrates coated by dripping-sedimentation technique with a novel bilayer of (45S5 / 1393) bioactive glasses are proposed to overcome some limitations of the use of titanium for implants, such as the stress ...
Artículo
Processing by Additive Manufacturing Based on Plasma Transferred Arc of Hastelloy in Air and Argon Atmosphere
(MDPI, 2020-01)
This research was carried out to determinate the effect of the atmosphere processing conditions (air and argon) and two specific thermal treatments, on the properties of specimens made from the nickel-based alloy Hastelloy ...
Artículo
Porous Titanium Cylinders Obtained by the Freeze-Casting Technique: Influence of Process Parameters on Porosity and Mechanical Behavior
(MDPI, 2020)
The discrepancy between the stiffness of commercially pure titanium and cortical bone tissue compromises its success as a biomaterial. The use of porous titanium has been widely studied, however, it is still challengi ...
Artículo
Study of the Effect of the Floating Die Compaction on Mechanical Properties of Titanium Foams
(MDPI, 2020-12)
Titanium (Ti) and its alloys are used for biomedical applications because of their high resistance to corrosion, good strength-to-weight ratio, and high fatigue resistance. However, a problem that compromises the performance ...
Artículo
A Track Geometry Measuring System Based on Multibody Kinematics, Inertial Sensors and Computer Vision
(MDPI, 2020-01)
This paper describes the kinematics used for the calculation of track geometric irregularities of a new Track Geometry Measuring System (TGMS) to be installed in railway vehicles. The TGMS includes a computer for data ...
Artículo
Influence of processing parameters on the conduct of electrical resistance sintering of iron powders
(MDPI, 2020-04)
The influence of the applied pressure and electrical parameters on the macrostructure of specimens consolidated by the medium-frequency electrical resistance sintering technique (MF-ERS) is analysed in this work. This ...
Artículo
Modelling and Simulation of the Electrical Resistance Sintering Process of Iron Powders
(Korean Institute of Metals and Materials, 2020-07)
In this paper, the process known as Electrical Resistance Sintering under Pressure is modelled, simulated and validated. This consolidation technique consists of applying a high-intensity electrical current to a metallic ...
Artículo
A Structural Comparison of Ordered and Non-Ordered Ion Doped Silicate Bioactive Glasses
(MDPI, 2020-02)
One of the key benefits of sol-gel-derived glasses is the presence of a mesoporous structure and the resulting increase in surface area. This enhancement in textural properties has a significant e ect on the physicochemical ...
Capítulo de Libro
Diseño y selección de materiales novedosos para fabricar pilas de combustible de óxido sólido
(3ciencias, 2020-04)
Muestras en polvo de Sr1-xLaxTiO3 (SLT; 0≤x≤0.5) se sintetizaron de forma rápida a temperatura ambiente vía mecano-química a partir de sus óxidos SrO, La2O3 y TiO2. Se estudió su microestructura, conductividad eléctrica ...
Artículo
Nickel Porous Compacts Obtained by Medium-Frequency Electrical Resistance Sintering
(MDPI, 2020-05)
A commercially pure (c.p.) nickel powder was consolidated by Medium-Frequency Electrical Resistance Sintering (MF-ERS). In this consolidation technique, a pressure and the heat released by a high-intensity and low-voltage ...