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Mechanical behaviour of tools for shearing Ultra High-Strength Steels: influence of the microstructure on fracture and fatigue micro-mechanisms of tool steels and evaluation of micro-mechanical damage in tools
On account of environmental and safety related requirements, the majority of the most popular automotive manufacturers convey to introduce Ultra High Strength Steels (UHSS) and Press Hardened Steels (PHS) in the vehicle ...
Mechanical characterisation of masonry in existing structures by means of laboratory and in-situ experimental techniques
(English) Masonry structures are among the most abundant construction typologies in the world, having been commonly built until the second half of the 20th century. The determination of the mechanical properties of these ...
Mechanical control of epithelial tissue formation and function in early development
The outer epithelial layer is the first cell type that emerges during development, providing essential mechanical protection and is indispensable for morphogenesis. Here, we study how the interplay between molecular and ...
Mechanical control of nuclear plasticity and mechanotransduction in cell migration
Cells commonly live in a crowded environment, in a tissue or in a developing embryo. The extracellular matrix and/or surrounding neighboring cells can impose physical deformations to which cells need to adapt in order to ...
Mechanical instabilities and dynamics of living matter. From single-cell motility to collective cell migration
The thesis belongs to the field of biophysicis, in particular we evaluate from a physicial perspective biological processes that occur at the celular and multicelular scales involving collective phenomena of self-organization. ...
Mechanical performance and sustainability assessment of reinforced soil walls
Soil reinforced retaining wall structures are materiallymore efficientthan competing construction solutions such as gravity and cantilever walls. Nevertheless, the behaviour and interactions between the com ponent materials ...
Mechanical properties of co-doped zirconia ceramics
Tetragonal polycrystalline zirconia, commonly stabilised with 3 mol% yttria (3Y-TZP), became one of the most interesting ceramics for biomedical applications due to its biocompatibility and high mechanical properties. Among ...
Mechanical Properties of HTSC at Micro/Nanometric Scale
The nanoindentation or indenter testing technique (ITT) is a functional and fast technique that can give us a lot of information about the mechanical properties of different materials at nanometric scale, from soft to ...
Mechanical resistance to fracture of narrow platform dental implants with hexagonal external connection submitted to implantoplasty with different bone levels and crown/implant ratios. An in vitro study.
[eng] INTRODUCTION: Peri-implantitis is an inflammatory condition that affects soft and hard tissues around dental implants and that can lead to implant failure. Implantoplasty is a procedure that allows implant surface ...
Mechanical resonators based on graphene and carbon nanotubes
Los resonadores mecánicos basados en grafeno y nanotubos de carbono han atraído recientemente una considerable atención, debido a la gran variedad de propiedades extraordinarias que exhiben. La reducida dimensión intrínseca ...
Mechanical stress in curved epithelia of designed size and shape
GENERAL AIM: The general aim of this thesis is to understand how mechanical stress depends on pressure, size and shape in fluid-filled curved epithelial sheets. SPECIFIC AIMS: This general aim can be divided ...
Mechanics and Cellular Mechanisms Driving Zebrafish Epiboly = Mecánica y mecanismos celulares responsables de la epibolia del pez cebra
Epithelial layers constitute the skeleton of early embryos and most tissues and organs and their remodelling during development is essential for reshaping the embryo and for tissue architecture. Epithelial expansion in ...
Mechanics of boundary formation in epithelial monolayers by Eph-ephrin interactions
For an organism to develop and maintain homeostasis, cell types with distinct functions must often be separated by physical boundaries. The formation and maintenance of such boundaries is commonly attributed to local ...
Mechanics of epithelial tissue subjected to controlled pressure
(English) Epithelial sheets form specialized 3D structures suited to their physiological roles, such as branched alveoli in the lungs, tubes in the kidney, and villi in the intestine. To generate and maintain these structures, ...
Mechanism and dynamics of transgenerational epigenetic memory in Caenorhabditis elegans
Desde Darwin y Lamarck, a los biólogos les ha intrigado la posibilidad de que rasgos adquiridos debido al ambiente pudieran ser heredados. Se han descrito muchos ejemplos de este tipo debidos a perturbaciones del ambiente ...
Mechanism and stochastic dynamics of transport in Darcy-scale heterogeneous porous media
Solute transport in heterogeneous porous media in general exhibits anomalous behaviors, in the sense that it is characterized by features that cannot be explained in terms of traditional models based on the advection-dispersion ...
Mechanism of action of cyclic antimicrobial peptides
This PhD thesis is the result of the combination of experimental and computational techniques with the aim of understanding the mechanism of action of de novo cyclic decapeptides with high antimicrobial activity. By ...
Mechanism of RanGTP dependent microtubule assembly during mitosis
During mitosis, spindle assembly involves different sources of microtubules including centrosomes and chromosomes. While the role of centrosomes has been extensively studied, we still do not fully understand how chromosomes ...
Mechanism of regulation of the RPL30 pre-mRNA splicing in yeast
The mechanisms of pre-mRNA splicing regulation are poorly understood. Here we dissect how the Saccharomyces cerevisiae ribosomal L30 protein blocks splicing of its pre-mRNA upon binding a kink-turn structure including the ...
Mechanismic explanation in ecology
La ecología es una ciencia importante, tanto desde el punto de vista práctico como desde el teórico, que recientemente a comenzado a atraer la atención de los filósofos profesionales. Con todo, la investigación sobre los ...
