Now showing items 84-103 of 110
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 ...
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 ...