Now showing items 71-90 of 110
Chen, Yu-Hsiang (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 ...