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Mostrando ítems 151-160 de 303
Artículo
Experimental investigation of polycarbonate sheets deformed by SPIF: formability, micro-mechanisms of failure and temperature analysis
(Elsevier, 2023)
This article presents an experimental research performed on a polycarbonate sheet deformed by single point incremental forming (SPIF). The analysis is implemented within the framework developed in previous research work ...
Artículo
Evaluation of wear behaviour in metallic binders employed in diamond tools for cutting stone
(MDPI AG, 2021)
A type of disc-on-plate test methodology was used to determine the wear behavior of metallic binders employed in the manufacturing of diamond impregnated tools. The disc consists of a special circular wheel that allows the ...
Artículo
Biofunctional and Tribo-mechanical Behavior of Porous Titanium Substrates Coated with a Bioactive Glass Bilayer (45S5 ‒ 1393)
(American Chemical Society, 2020-06)
Porous substrates of commercially pure titanium have been coated with a novel bilayer of bioactive glasses, 45S5 and 1393, to improve the osseointegration and solve the stress-shielding phenomenon of titanium partial ...
Artículo
Porous Titanium for Biomedical Applications: Evaluation of the Conventional Powder Metallurgy Frontier and Space-Holder Technique
(MDPI, 2019)
Titanium and its alloys are reference materials in biomedical applications because of their desirable properties. However, one of the most important concerns in long-term prostheses is bone resorption as a result of the ...
Artículo
Synthesis and Characterization of a Nearly Single Bulk Ti2AlN MAX Phase Obtained from Ti/AlN Powder Mixture through Spark Plasma Sintering
(MDPI, 2021)
MAX phases are an advanced class of ceramics based on ternary carbides or nitrides that combine some of the ceramic and metallic properties, which make them potential candidate materials for many engineering applications ...
Artículo
Effect of sintering time on the microstructure and mechanical properties of (Ti,Ta)(C,N)-based cermets
(Elsevier, 2013)
Complete solid-solution cermets based on titanium-tantalum carbonitride using a starting nominal composition with 80 wt.% of (Ti0.8Ta 0.2)(C0.5N0.5) and 20 wt.% of Co were performed by pressure-less sintering at 1550 C for ...
Artículo
Bioactive Coatings on Porous Titanium for Biomedical Applications
(Elsevier, 2018)
Commercial pure titanium is a recognized and accepted material for cortical bone tissue substitution. However, stress-shielding phenomena and lack of osseointegration result in significant limitations. This work is focused ...
Artículo
Combination of Selective Etching and Impregnation toward Hollow Mesoporous Bioactive Glass Nanoparticles
(MDPI, 2021-07)
In this study, binary SiO2-CaO hollow mesoporous bioactive glass nanoparticles (HMBGNs) are prepared by combing selective etching and impregnation strategies. Spherical silica particles (SiO2 NPs) are used as hard cores ...
Artículo
El Técnico de Prevención como profesión regulada (I)
(2014)
Con la aprobación del Real Decreto 1837/2008, se incluyeron entre las profesiones reguladas en España dos nuevas profesiones para el desempeño de las funciones preventivas de nivel intermedio y superior. ...
Artículo
Low dose electron tomography of novel nanocomposites for additive manufacturing
(Elsevier, 2023)
The development of new nanocomposites with added functionalities for Additive Manufacturing (AM) requires of a deep understanding of the 3D distribution of the selected nano-additives within the polymeric matrix, in ...