Mostrando ítems 92-110 de 110
Acevedo Cabello, Jorge Luís (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 (Fecha de defensa: 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 ...
Díez Escudero, Anna (Fecha de defensa: 2017-11-13)
Bone is the most transplanted tissue after blood. As pointed out by the World Health Organization, musculoskeletal diseases can potentially rise as the fourth largest cause of disability within the next years. Unfortunately, ...
Pujante Agudo, Jaume (Fecha de defensa: 2015-12-21)
Press hardening, also known as hot stamping, is a hot sheet metal forming technique which allows producing lightweight components with complex geometry and outstanding mechanical properties. For this reason, use of press ...