Resumen: Porous metals are increasingly important in technology. Due to their tunable me- chanical properties, they are promising candidates in various emerging applications such as metallic scaffolds for load-bearing bones, lightweight structures for trans- port technologies, electrodes for

Resumen: The high standards and requirements demanded in high-speed machining (HSM) applications some examples are the precise manufacturing of microelectronics circuits or biomedical devices - comprise a delicate control of the tool preparation as well as coatings design and finish, which are

Resumen: The applications of Li-ion batteries (LIBs) vary widely from the transport sector (viz. electric vehicles, aircraft, robotics, drones, etc.) to battery energy storage technologies supporting and strengthening the power grid to mitigate the problem of intermittency of renewable energy

Resumen A general theory of triboelectric nanogenerators (TENGs) is presented for an arbitrary geometric setup consisting of two electrodes, a fixed dielectric, and a moving dielectric [1]. The two dielectric materials have opposite charges. Optimization of power output is computed for a general

Resumen: The equiatomic CoCrFeMnNi high entropy alloy (HEA) and its derivatives have attracted attention fromscientific community due to their mechanical properties, also at cryogenic conditions. Extensivemechanical twinning is mainly responsible for their outstanding mechanical response under

Abstract: Nanocomposite materials based on a polymer matrix and nanomaterials (as Graphene Nanoplateletes, 2D clays or Metal Organic Frameworks) acting as additives are an exciting type of materials that bring the opportunity to create plastics with better properties (mechanical, thermal,

Abstract: Floating Catalyst Chemical Vapor Deposition (FCCVD) is a method for the synthesis of 1D nanoparticles, i.e., nanotubes and nanowires, in the aerosol phase. Specifically, 1-D nanoparticles grow on the surface of spherical catalyst nanoparticles while floating through a gas reactor. An

Resumen: Systems with broken continuous symmetry in ideal lattices cannot be rectified through rearrangement or deformation. Topological metamaterials featuring nontrivial, artificially induced phase transitions have emerged as pivotal constituents for engineering these topological defects,

Resumen, Robust and efficient full-field crystal plasticity models (based on finite element or FFT methods) have been developed over the past decades, and were extensively used for simulating and understanding different material phenomena at the macro- and mesoscales. On the other hand, nanoscale

Abstract:A novel series of FRMs was synthesized by suspension polymerization which had coreshell structure and complete spherical morphology. The core material is composed of a variety of flame-retardant components, some phosphate ester flame-retardant such as BDP, RDP, TPP etc. (or several of them)

Resumen: The increasing prevalence of cardiovascular diseases on the world population urge the development of efficient new therapies for the reestablishment of the cardiac function. The heart has a very limited regenerative ability, and so lost cardiomyocytes cannot be replaced, thus causing

Resumen: Carbon microelectromechanical system (carbon MEMS) has emerged as a technique alternative to silicon-based MEMS technologies in the last two decades. Although carbon-MEMS allows for the fabrication of 3D carbon microstructures useful for several applications, complex architectures are

Resumen: Magnesium and its alloys are promising biodegradable metal scaffolds for potential bone regeneration applications, such as bioabsorbable implants. However, for this to be possible, further developments are necessary. On the one hand, Mg tends to corrode at a high rate, leading to

Resumen: Materials deformation is ultimate controlled by physical processes at the atomic scale. In many cases, these processes are controlled by fluctuations characterized by highly stochastic behavior. While we have learned to subsume this stochasticity into continuum laws that describe average

Resumen: This report identifies key ingredients necessary for developing a robust numerical framework capable of performing full-field simulations of polymer base lattice materials. Direct simulation of components manufactured out of lattice materials is not deemed suitable on account of high

El viernes 4 de octubre, Jorge Valilla presentará su FYA titulado "Simulación física y termodinámica de materiales funcionalmente graduados". Será un evento completamente remoto (zoom), a las 4:30 pm: https://us02web.zoom.us/j/86733563907 Abstract: With the up and coming interest for

Resumen: The work presented is the result of a year studying the growth of inorganic nanowires by floating catalyst chemical vapour deposition (FCCVD) with the objective of applying this technique to the synthesis of metal oxide nanowires. The differences between substrated-CVD and FCCVD

Resumen: The quenching and partitioning (Q&P) process is a relatively new heat treatment (2003) aimed at the creation of a multi-phase microstructure of tempered martensite and stabilized retained austenite. This microstructure enhances the mechanical properties of the steel, achieving an

Abstract: A novel series of multilayered nanocomposite materials based on the AlTiN system with high Al content and the addition of B as the successful element for obtaining the amorphous phase are presented. The coatings were grown using co-deposition reactive HiPIMS from an alloyed TiAl(X)

La Defensa Doctoral tendrá lugar el 20 de noviembre a las 12:00 hr. La asistencia será a modo remoto. La disertación se titula "High Strain Rate Mechanical Behavior of Advanced High Strength Steels" Abstract: While FRP composites are extensively used in structural components due to their

Abstract Transmission of mechanical twins across grain boundaries in Mg is a mechanism that can facilitate intergranular crack propagation by providing a path to cracks along along the twin interface. Clearly, understanding twin transmission requires us to understand twin growth. Traditionally,

Resumen: In metals and alloys, complex solidification microstructures, such as dendrites, arise from a subtle interplay between phenomena occurring at much different scales: from atom attachment kinetics to macroscopic transport of heat and species in the different phases. As such, solidification

ABSTRACT In this work, following Agoras et al. [1], we develop a homogenization procedure for particulate composites with elasto-viscoplastic constituents. By employing a standard time-discretization scheme for the local stress rate, we show that the associated time-incremental homogenization

Abstract The commercial aviation industry is a field of innovation and vanguard technology application, in which competitiveness is a critical need. As a consequence, new materials and techniques take place continuously with the purpose of creating a significant advantage in relation to other

Resumen: Dye-Sensitized Solar Cells (DSSCs) are a promising alternative to Si solar cells, with efficiencies of 14% under sunlight and 28.9% under ambient light. DSSCs’ components can separately be optimized. One of the major challenges is replacing Pt-counter-electrode (CE), due to its

Abstract: Carbon nanotubes, graphene and graphene oxides have been under development due to their suitable properties to be applied in electrochemical energy devices such as supercapacitors, batteries and fuel cells. Recently, carbon nanostructures doped with heteroatoms have demonstrated to play

Abstract Magnesium batteries are superior to all the known battery systems owing to its substantially larger volumetric capacity, environmental benignity, electrochemical stability and lower cost. This study is focused on the improving the electrochemical characteristics of Magnesium based