Now showing items 89-108 of 110
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 ...
León Albiter, Noel (Date of defense: 2018-04-13)
Polymers have a wide range of applications. Their ability to be shaped into multiple forms makes it possible to obtain polymer films, which are highly used in industries such as food and pharmaceuticals. Characterization ...
Acevedo Cabello, Jorge Luís (Date of defense: 2013-02-08)
Se desarrolla un estudio numérico-experimental de la microestructura de solidificación y la segregación en palanquillas de aceros hipoeutectoides fabricadas con el proceso de colada continua. Un programa desarrollado en ...
Sousa Pais Antunes, Marcelo de (Date of defense: 2010-07-23)
En esta tesis doctoral se presenta la preparación y caracterización de espumas rígidas multifuncionales obtenidas a partir de compuestos y nanocompuestos en base polietileno (PE) y polipropileno (PP), indagando en la ...
Bin Raja-Nazri, Raja Nazrul Hakim (Date of defense: 2018-06-01)
PLA nanocomposites sheets that is rnodified with multi-functional epoxide reactive agent (Joncryi4300F, BASF, Germany) were manufacturad using reactive extrusion in a pilot plant. A commercial grade of PLA (PLA 40320, ...
Melk, Latifa (Date of defense: 2016-05-20)
In the last decades there has been growing interest in developing ceramic materials with high fracture toughness (Klc) and strength for structural applications. In the specific case of 3 mol% yttria-doped tetragonal zirconia ...
Muñoz Bolaños, Jairo Alberto (Date of defense: 2016-07-21)
Ultrafine grain size Armco iron has been obtained through severe plastic deformation through equal channel angular pressing (ECAP) at room temperature, using a die with interna! angle et> = 90 º, and an angle 4J = 37 º ...
Velázquez Infante, Julio Cesar (Date of defense: 2012-07-25)
The development of the present Ph.D. thesis implied the preparation of PLA and nanoclay reinforced PLA films as well as the application of different thermo-mechanical treatments. Two commercial grade PLA matrices were ...
Gámez Pérez, José (Date of defense: 2006-07-07)
En esta tesis doctoral se analiza la estructura y morfología inducida en láminas y placas delgadas obtenidas por distintos procesos de transformación. Éstas placas y láminas se prepararon en distintos espesores utilizando ...
Higuera Cobos, Oscar Fabián (Date of defense: 2013-07-12)
Muestras de cobre electrolítico (ETP) y refinado al fuego (FRHC) previamente recocidas durante 30 minutos a una temperatura de 600 ºC, fueron sometidas a presión en canal angular de sección constante (ECAP) a temperatura ...
Ramírez Sandoval, Giselle (Date of defense: 2012-07-25)
In recent years hard coatings have acquired a significant importance in the microstructural and micromechanical design of forming tools. Among the wide range of surface modification techniques, physical and chemical vapour ...
Gustavsson, Mikael (Date of defense: 2011-07-27)
This doctoral thesis explores how ion sensors can provide spatial and temporal control of specific cellular and biomaterial activity related to bone tissue engineering applications. First it was investigated the influence ...
Ardanuy Raso, Mònica (Date of defense: 2007-02-09)
Con esta tesis se ha pretendido establecer las bases para la preparación y caracterización de compuestos nanoestructurados formados por laminillas de espesor nanométrico a partir de la exfoliación de un hidróxido doble ...
Wang, Lei (Date of defense: 2016-12-16)
In the current thesis, two TWIP steels with different chemical composition were successfully subjected to Severe Plastic Deformation with Equal Channel Angular Pressing (ECAP) at warm temperature (300°C), using a die with ...
Abt, Tobias (Date of defense: 2014-07-11)
The thesis at hand deals with the modification of cyclic butylene terephthalate (CBT) with the aim to improve its final properties. CBT polymerizes in an entropically-driven ring-opening polymerization into polymerized CBT ...
Flamant, Quentin (Date of defense: 2016-07-20)
Debido a sus excelentes propiedades mecánicas y una excelente biocompatibilidad, el uso de las cerámicas de base de circona en aplicaciones dentales y ortopédicas ha crecido rápidamente durante las últimas décadas. Sin ...
Camposilvan, Erik (Date of defense: 2015-07-08)
Tetragonal polycrystalline zirconia stabilized with 3 mol% of yttria (3Y-TZP) is a biocompatible ceramic showing superior mechanical properties, which are partly the consequence of phase transformation: the tetragonal ...
Safari, Alaleh (Date of defense: 2017-03-31)
Total hip replacement (THR) has been one of the most successful surgeries in the 21st century. Ultra-high-molecular-weight-polyethylene (UHMWPE) shows favorable mechanical and tribological properties when used as a bearing ...
Aparicio Bádenas, Conrado (Date of defense: 2005-04-15)
El éxito clínico de los implantes dentales, fabricados en titanio comercialmente puro (Ti c.p.), está basado en la consecución de la osteointegración, es decir, la conexión directa estructural y funcional entre el hueso ...