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Mostrando ítems 91-100 de 441
Artículo
Limits of powder metallurgy to fabricate porous Ti35Nb7Zr5Ta samples for cortical bone replacements
(Elsevier, 2023-06)
The use of β-Titanium alloys to fabricate metal implants with Young's modulus that resembles bone tissues is presented as an alternative to commercially pure titanium or α-Titanium alloys, although it is still necessary ...
Patente. Invención
Método de unión de sustratos y plásticos mediante zona de adhesión térmica controlada
(Oficina Española de Patentes y Marcas (OEPM), 2018-07-23)
El objeto de la invención es un procedimiento para adhesión de sustratos a plásticos que pueden estar mecanizados o no. Se trata de un procedimiento de fabricación para un plástico (1), que pueden estar mecanizados o ...
Artículo
Microstructural characterization and thermal stability of He charged amorphous silicon films prepared by magnetron sputtering in helium
(Elsevier, 2023-06)
Sputtering of silicon in a Helium magnetron discharge has been reported as a bottom-up procedure to obtain amorphous Si films containing high amounts of gas-filled nanopores. Here we compare the microstructure and composition ...
Ponencia
Synthesis and size evolution of 1D hydroxyapatite crystals under surfactant-free hydrothermal conditions
(IOP Publishing, 2019)
Hydroxyapatite nanoparticulate materials have received a great deal of scientific attention due to their dental and orthopedic applications but simple strategies to control particle characteristics (e.g., surface area, ...
Artículo
Synthesis and characterization of manganese containing mesoporous bioactive glass nanoparticles for biomedical applications
(Springer, 2018-05)
Mesoporous bioactive glass (BG) nanoparticles based in the system: SiO2–P2O5–CaO–MnO were synthesized via a modified Stöber process at various concentrations of Mn (0–7 mol %). The synthesized manganese-doped BG nanoparticles ...
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 ...
Ponencia
El Máster Universitario en Seguridad Integral en la Industria y Prevención de Riesgos Laborales por la Universidad de Sevilla. Antecedentes, características, estructura e implantación
(Universidad de Cantabria, 2010)
En el trabajo se exponen los antecedentes y las transformaciones habidas desde el inicio de la formación superior en prevención de riesgos laborales en la Escuela Universitaria Politécnica de Sevilla en el curso 1990-91, ...
Artículo
Production of Ultrafine Grained Hardmetals by Electrical Resistance Sintering
(MDPI, 2019-02)
In this work, powders of cemented ultrafine WC-6 wt.% Co were consolidated. The feasibility of the medium frequency electrical resistance sintering (MF-ERS) technique were studied to prevent WC grain growth during ...
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
Control of an Independent 4WD electric vehicle by DYC method
(Inderscience, 2015)
Current advances in the application of control systems to vehicle dynamics has made it practicable to improve the vehicle’s longitudinal, lateral and vertical dynamics. Some of the examples of application of these systems ...