Now showing items 21-39 of 39

    Preparation and characterization of reactive extrusion modified PLA/ABS blends and its foams 

    Kamrani Moghadam, Mohammad Reza (Date of defense: 2021-07-21)

    The current thesis takes place within the context of the projects MAT2016-80045-R "Aplicaciones industriales de compuestos y mezclas basados en REX-PLA" and the project "PLAIABS Blends: Recydability and weight reduction" ...

    Perceived quality characterization of micro-textured injection moulded components for automotive interior applications 

    Gamonal Repiso, Pablo (Date of defense: 2021-07-22)

    The present PhD thesis is framed within a collaborative project in which institutions such as the Universitat Politècnica de Catalunya Barcelona-Tech, the Centre Català del Plàstic and SEAT S.A have participated. The main ...

    Biomimetic bone grafts: from the lab to the clinic 

    Raymond, Yago (Date of defense: 2021-09-13)

    Bone grafting is a common medical practice in today’s society, being bone the second most transplanted tissue worldwide after blood. Therefore, it represents a field of major interest for both, biomedical research and the ...

    Synthesis and characterization of oxides produced by high temperature corrosion on grade 300 and 350 maraging steels 

    Cerra Flórez, Mauro Andrés (Date of defense: 2021-10-04)

    The aging heat treatments in maraging steels are fundamental to achieving their excellent mechanical properties and, in some applications using oxidation surface treatments lead to induce a superficial layer formed by iron ...

    Desarrollo de un nuevo proceso basado en la inyección 3D de tintas con carga metálica para fabricar prótesis porosas de titanio bioactivas y con propiedades antibacterianas 

    Torres Garrido, Diego (Date of defense: 2021-10-07)

    Titanium (Ti) has been used for decades for bone prostheses due to its mechanical performance and good biocompatibility. However, the stress shielding effect, as a result of the stiffness mismatch between titanium and the ...

    Development of acrylic pressure-sensitive adhesives for the labelling of glass bottles 

    Márquez Fibla, Irene (Date of defense: 2022-09-14)

    Labels misplacement in the bottles are currently causing problems in wine cellar's labelling lines. According to data provided by Codorníu and Torres cellars, 1% of the bottles present this issue. Once the wine or cava ...

    Ultrasonic nodal point: a new configuration for ultrasonic moulding. Advances towards the complete industrialisation of the technology 

    Janer Angelet, Marcel (Date of defense: 2022-12-01)

    (English) Ultrasonic moulding is a promising technology that could be used as a substitute for conventional injection moulding techniques. This relatively new technology has a lower energy consumption, and it could be a ...

    Bioresorbable Zn-based alloys for biomedical applications 

    García Mintegui, Claudia (Date of defense: 2023-01-26)

    (English) Biodegradable metals emerged as promising materials for bioresorbable devices avoiding the potential side effects of permanent implants. Among them, zinc (Zn) arose dueto its suitable degradation rate for biomedical ...

    Nuevos interconectores pulvimetalúrgicos para sistemas de óxido sólido de alta temperatura: desarrollo, optimización y prototipado 

    Monterde Gascón, María Carmen (Date of defense: 2023-02-27)

    (English) The transition towards to low carbon energy generation is promoting the installation of renewable energy sources, their successful deployment requires efficient energy storage systems in order to meet demand. ...

    3D-printed polymeric bioresorbable stents for cardiovascular applications 

    Chausse Calbet, Victor (Date of defense: 2023-05-26)

    (English) Bioresorbable stents (BRS) have been envisioned as a revolution in the treatment of coronary heart disease. Ideally, stents would initially retain sufficient radial strength after implantation to prevent vessel ...

    3D printing of zirconia-based ceramic materials 

    Yarahmadi, Mona (Date of defense: 2023-05-26)

    (English) Zirconia stands out among oxide ceramics for its superior mechanical properties. This approach resulted from the significant research that has been conducted since the discovery of the tbughening capabilities of ...

    Development of quenching and partitioning steels (Q&P) 

    Carpio Garza, Marcel Francisco (Date of defense: 2023-06-07)

    (English) The automotive industry is constantly seeking to improve the performance of the car and at the same time reduce CO2 emissions into the environment, which can be achieved among other solutions through the use of ...

    Effect of deformation on the mechanical behavior of an advanced steel of high resistance with high manganese content 

    Lima, Marcos Natan da Silva (Date of defense: 2023-06-30)

    (English) Pre-salt oil exploration means a new development path for Brazil. This activity stimulates investments from national and foreign companies, boosts the production of technology, promotes greater professional ...

    Polymer blends based on postconsumer waste of opaque poly(ethylene terephthalate) and polypropylene 

    Loaeza Becerril, Alfonso David (Date of defense: 2023-07-19)

    (English) In recent years, new white and opaque PET bottles (PET-O) have appeared and are used for packaging dairy products. These bottles contain titanium dioxide (TiO2) particles to prevent deterioration of the packaged ...

    Development of dynamic textiles based on shape memory polyurethane (SMPU) for applications in car seat upholstery 

    González Bertran, Judit (Date of defense: 2023-10-25)

    (English) In recent years, numerous studies have been carried out on functional textiles due to their ability to adapt and interact with the environment. In particular, special focus has been placed on dynamic textiles ...

    Micromechanics of quaternary AICrSiN coatings on hard substrates 

    Liang, Jing (Date of defense: 2023-10-27)

    (English) AlCrSiN quaternary coatings are extensively utilized in the tool industry due to their outstanding mechanical performance as protective coatings. These coatings are formed by introducing elements of Al and Si to ...

    Development of a resorbable and bioactive personalized 3D-printed implant for guided bone regeneration 

    Rey Viñoles, Sergi (Date of defense: 2023-11-03)

    (English) The restoration of the functionality of lost teeth is mainly accomplished placing dental implants. However, in the case of alveolar bone atrophies, this treatment might not be possible. Various treatments have ...

    Blends of modified PLA and biopolyamides for additive manufacturing 

    García Masabet, Violeta del Valle (Date of defense: 2023-11-24)

    (English) The main objective of this work is to counteract the limitations of polylactic acid (PLA) and propose a sustainable manufacturing approach using bioblends of a rheologically modified PLA by reactive extrusion ...

    Promoting cardiac regeneration by biomimetic microenvironments 

    Martínez Hernández, Marina (Date of defense: 2023-12-20)

    (English) Cardiovascular diseases are the most common cause of death in the world. The heart has a very limited regeneration capacity. Thus, following tissue damage – e.g., myocardial infarction –, heart transplantation ...