Mostrando ítems 71-90 de 110
Chen, Yu-Hsiang (Fecha de defensa: 2018-06-12)
Hard coating 's thermal stability is essential due to the high temperature environment of high-speed cutting applications, while the induced phase and microstructure evolution affects the mechanical properties. In this ...
Picas Anfruns, Ingrid (Fecha de defensa: 2012-12-10)
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 ...
Turón Viñas, Miquel (Fecha de defensa: 2018-01-11)
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 ...
Marques, André Canal (Fecha de defensa: 2016-02-23)
The growing demand for innovation and the ever-shorter product lifespan result in a great amount and diversity of waste disposal at dumps and landfills. One of the fastest growing waste types nowadays is e-waste. Consequently, ...
Botero Vega, Carlos Alberto (Fecha de defensa: 2012-12-14)
Mullite coatings deposited by chemical vapor deposition (CVD) have been introduced and proven as excellent candidates to protect silicon carbide (SiC) from severe pitting corrosion and recession, becoming part of the new ...
Morhain, Cédric (Fecha de defensa: 2001-07-03)
Los hidróxidos de magnesio y de aluminio son unas cargas minerales cuyo uso como carga ignifugante para materiales plásticos, y en particular para polipropileno, es relativamente reciente, aunque en pleno crecimiento debido ...
Cuadrado Lafoz, Núria (Fecha de defensa: 2013-10-02)
Mechanical characterization of micro-volume systems, as thin films or micro-sized phases embedded in multiphase materials, has attracted special interest in the last decades since different micromechanical techniques have ...
Cot del Valle, Maria (Fecha de defensa: 2017-11-29)
In this thesis, we study the improvement of the UV protection of polyester textiles by introducing nano or microparticles of TiO2 in the polyester during the extrusion of the yarn. Initially, the influence of different ...
Noailly, Jérôme (Fecha de defensa: 2009-06-22)
La present tesi investiga l'ús de la modelització amb elements finits per a l'estudi de la biomecànica lumbar per a l'avaluació clínica. Els estudis bibliogràfics del capítol 1 mostren relacions funcionals clares entre les ...
Llopart Prieto, Llorenç (Fecha de defensa: 2007-09-21)
La motivació de la tesis deriva en el interès de la indústria aeronàutica a explotar, per mitjà d'un disseny adaptat, la utilització del gir d'esquerda per protegir els reforços situats davant una esquerda que s'està ...
Cailloux, Jonathan (Fecha de defensa: 2016-01-21)
The purpose of this PhD thesis was to investigate the sensitivity of the rheological, thermal, mechanical and fracture behaviours on the topological changes induced in two commercial PLA grades. PLA 2002D and PLA 4032D ...
Varillas, Javier (Fecha de defensa: 2019-06-17)
This study aims to investigate the underlying mechanisms which govern the development of dense defect networks in nanoscale crystal plasticity, either under contact and uniaxial loading conditions, with emphasis on the ...
Yalamanchili, Phani Kumar (Fecha de defensa: 2016-11-09)
Physical vapor deposited hard coatings comprised of cubic (c) transition metal (TM)-Al-N, and (TM)-Si-N are the current work horse materials for a large number of metal cutting and wear resistant applicatíons to light ...
Vlad, Maria Daniela (Fecha de defensa: 2009-04-02)
La presente tesis doctoral (i.e., “New developments in calcium phosphate bone cements: approaching spinal applications”) aporta nuevos conocimientos en el campo de los cementos óseos de fosfato de calcio (CPBCs) en relación ...
Pérez Antoñanzas, Román (Fecha de defensa: 2011-07-22)
When bone regeneration is needed, natural bone grafts are widely used. They are the best option since they present the same composition to that of bone, contain living cells with osteogenic potential, growth factors that ...
Schieber, Romain (Fecha de defensa: 2017-11-10)
Nowadays, cardiovascular diseases are mainly treated by implantation of a metallic or polymeric mesh, called stent, which maintains the artery widely open. This technique shows very good clinical results, however, it exists ...
Mestres Bea, Gemma (Fecha de defensa: 2012-07-09)
This Thesis aims at the development of two novel families of inorganic phosphate cements with suitable characteristics for clinical applications in hard tissue regeneration or replacement. It is organized in two distinct ...
Michiardi, Alexandra (Fecha de defensa: 2006-02-24)
Desde que fueron descubiertas en el principio de los años sesenta, las aleaciones con memoria de forma de NiTi han suscitado un interés creciente. Hoy en día, estos materiales se emplean extensivamente en el campo biomédico. ...
Rodríguez Rius, Daniel (Fecha de defensa: 2000-02-28)
En la presente tesis doctoral se ha estudiado y caracterizado la obtención de capas de nitruro en titanio y Ti6Al4V mediante tratamiento termoquímico de nitruración para la mejora de la dureza superficial y de la resistencia ...
Fernández Aguado, Enrique (Fecha de defensa: 1996-12-18)
La presente Tesis Doctoral se titula "Obtención y caracterización de nuevos cementos óseos de fosfatos de calcio en el sistema DCP―alfa-TCP". Los cementos de fosfatos de calcio (CFC) son materiales biocompatibles que ...