Departament d'Enginyeria Mecànica i de la Construcció Industrial: Recent submissions
Now showing items 21-40 of 87
Development of advanced methods to characterise the fracture behaviour of flexible bonded joints
Advanced joining technologies such as bonded joints play an important role to develop more efficient and durable structures. The present Thesis gives a step forward and proposes different solutions to characterise the ...
Optimització d'extracció de diluents no reactius en tintes / adhesius aplicats sobre substrats per a envasos flexibles
The reason for the writing of this doctoral thesis arises from the commitment adopted by COMEXI in order to put its products in the market making his products more sustainable and environmentally friendly. Is in this ...
Estudio de la influencia de los factores ambientales en el comportamiento de la unión adhesiva entre hormigón y barras FRP NSM
NSM strengthening technique under the influence of temperature and relative humidity, in which the interaction between materials involved is analyzed, is studied in this PhD. Therefore, this work is aimed at contributing ...
Flexural behavior of NSM FRP strenthened reinforced concrete beams under sustained loading
The main objective of this work is to study the long-term and residual flexura! strength of Near Surface Mounted (NSM) strengthened Reinforced Concrete (RC) beams with Carbon Fiber Reinforced Polymers (CFRP) strips when ...
A constitutive model for fatigue and residual strength predictions of composite laminates
This thesis investigates the fatigue behaviour of fibre-reinforced composite laminates. Fatigue of composite materials is a complex subject both from an experimental and numerical modelling point of view. In this context, ...
A comprehensive methodology to analyse bonded joints subjected to different environmental conditions
Cohesive zone models are widely used for modelling delamination and bonded joints under different loading conditions. In the current thesis, an objective inverse method has been developed to extract the cohesive law from ...
Towards a high-performance computing finite element simulation framework for virtual testing of composite structures
his doctoral thesis aims at developing and implementing a computational framework for performing virtual testing of composite structures using a High-Performance Computing (HPC) environment. In this sense, this thesis ...
Micromechanical modelling of hybrid unidirectional composite materials under fibre tensile loading
In this thesis, a micromechanical model for predicting the tensile failure process in hybrid and non-hybrid unidirectional composite materials under fibre tensile loading is developed. Derived from this, the influence that ...
Improving compression after impact response of composite laminates through ply level hybridization with thin plies and unsymmetrical designs
Despite the weight savings, composite materials are vulnerable to impact loads mainly due to the alarming reduction in the compression after impact strength (CAI). This thesis exploits the potential of laminate designs ...
A mechano-perfusion bioreactor for tissue engineering
Tissue Engineering plays a vital role in tissue construct to repair, maintain or replace tissues. Those tissues can be cultivated in vivo or in vitro using devices such as bioreactors. There are several approaches to ...
Development and characterization of thermoelectric generators for thermal energy recovery from reciprocating internal combustion engines
Since the beginnings of the automotive driven with internal combustion engines all the cycles used in the alternative motors share a thermal characteristic, a large amount of heat released by the fuel is lost in the form ...
Contribution to bioabsorbable stent manufacture with additive manufacturing technologies
The main motivation of this work was to analyse the feasibility of the current stent’s manufacturing process to produce the new bioresorbable stents (BRS) as well as study new manufacturing methods. Fibre Laser Cutting ...
Development of efficient testing methods and cohesive zone models for analyzing fatigue-driven delamination in 3D laminated composite structures
The overall purpose of this Ph.D. thesis is to contribute to the reliable design of composite structures subjected to fatigue-driven delamination. The aim is motivated by a wish to reduce the amount of experimental testing ...
Contributions to ultrasonic micro-moulding process of high performance polymers
Polymeric materials, which are suitable for high performance applications for example human implants are one of the most expensive available polymers. Standard injection micromoulding process, dedicated for mass production, ...
Analysis and development of experimental characterization methodologies of mode II fracture toughness on CFRP bonded joints
Adhesives have been shown to be an excellent solution for joining fibre reinforced polymer (FRP) components thanks to their capacity to redistribute loads, reduces stress concentrations and contribute to overall weight ...
Development of efficient numerical models for the simulation of low velocity impact and compression after impact on composite structures
Fiber reinforced composite materials are nowadays used in several industrial applications that pursue structural weight reduction to reduce fuel consumption. The stiffness-to-weight and strength-to-weight ratios of composite ...
Electrically tunable thermal conductivity and exhaust heat recovery applications of thermoelectric materials
The current work is focused on two areas related to thermoelectricity: (i) the study of the capability of controlling the thermal conductivity of TEMs and (ii) the development, testing and improvement of an automotive ...
Response of composite laminates under out-of-plane loading
The objective of the thesis is to provide scaling tool predicting the response of composite structures under out-of-plane loading by testing small coupons. This global objective cannot be achieved without understanding the ...
Desarrollo de un modelo para el seguimiento y control económico y temporal durante la fase de ejecución en la obra pública. Integration of information for advanced detection of cost overruns-IMADO
The primary objective of this research is to modify the models regularly used to record and monitor the implementation costs of public works projects from the perspective of the promotor, the project directors or the project ...
Bond behavior of NSM FRP strips in concrete under sustained loading
The main objective of work has been to study the bond strength and bond-slip response of NSM CFRP strips in concrete when subjected to sustained loading under different environmental conditions. To this end, two experimental ...
