Now showing items 97-110 of 110

    Relación estructura-propiedades de films de nanocompuestos de pla 

    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 ...

    Relación estructura-propieddes en placas y láminas de polipropileno y copolímeros en bloque etileno-propileno obtenidas por diferentes procesos de transformación. 

    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 ...

    Relación microestructura y propiedades de cobre sometido a deformación plástica severa mediante presión en canal angular de sección constante 

    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 ...

    Respuesta mecánica bajo solicitaciones de contacto esférico en aceros recubiertos 

    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 ...

    Sensors for in vitro bone tissue engineering applications 

    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 ...

    Síntesis y caracterización de nanocompuestos de poliolefinas e hidróxidos dobles laminares 

    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 ...

    Study of the microstructure and mechanical properties of TWIP steels deformed by ECAP 

    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 ...

    Study of the properties of modified cyclic butylene terephthalate and its composites 

    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 ...

    Surface modification of zirconia-based bioceramics for orthopedic and dental applications 

    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 ...

    Surface stability and small-scale testing of zirconia 

    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 ...

    Time dependent flow of biolubricant and suspended particles behavior within total hip replacement 

    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 ...

    Tratamientos de superficie sobre titanio comercialmente puro para la mejora de la osteointegración de los implantes dentales 

    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 ...

    Tuning the biological performance of calcium phosphates through microstructural and chemical modifications 

    Díez Escudero, Anna (Date of defense: 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, ...

    Wear mechanisms in press hardening of boron steel : identification and laboratory study 

    Pujante Agudo, Jaume (Date of defense: 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 ...