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Laser welding of Ti6Al4V alloy by disk laser: analysis and optimization
(2012-06-27)
Titanium alloys have been successfully applied in many industrial fields because of their better
performance and lighter weight than other commonly used structural materials. The conventional
welding methods used for ...
Sviluppo e analisi di una metodologia di miglioramento della qualità nella progettazione
(2011-06-07)
Coerentemente con i contenuti relativi alle fasi della vita di un prodotto, le più diffuse definizioni della qualità fanno riferimento sia alle caratteristiche di quest’ultimo, sia alle attività industriali e umane sviluppate ...
Simulation of supply chains dynamics using fluid-dynamic models
(2013-05-07)
The aim of thesis is to present some macroscopic models for supply chains and networks able to reproduce the goods dynamics, successively to show, via simulations, some phenomena appearing in planning and managing such ...
Sviluppo di procedimenti di saldatura LASER e LASER arco per pannelli AFS (Aluminum Foam Sandwich)
(2010-06-21)
La tesi presenta l’attività di ricerca condotta presso il laboratorio LASER del centro di ricerca ENEA - Trisaia (MT) per lo sviluppo di un procedimento di saldatura, ancora poco diffuso a livello industriale, che è la ...
Design and optimization of a protection device for laser weld beads of metal alloys for aerospace applications
(2013-09-09)
In the present thesis an automated laser welding apparatus was designed and developed in order to perform laser , that allows to achieve laser welding in a controlled, versatile, efficient, reliable, simple, and economical ...
Development of a model-based diagnosis algorithm oriented towards solid oxide fuel cell systems: approach and application
(2014-07-07)
The present dissertation illustrates the complete procedure of developing a model-based
diagnosis algorithm and shows its application to a pre-commercial Solid Oxide Fuel Cell (SOFC)
system. The main motivations of this ...
Additive manufacturing of metal alloy for aerospace by means of Powder Laser Cladding: station tuning and clad characterization
(2016-04-04)
This thesis investigates the application of continuous coaxial laser cladding by powder injection as repair and cover process. The investigation aimed to check the possibility of repairing a V-groove geometry on a substrate ...
Multiphysic modeling and numerical simulation of injection pultrusion processes: impregnation flow, heat-transfer and stress-strain analysis
(2020-06-19)
The present thesis focuses on the study and the modeling of the behaviors occurring in injection pultrusion processes to produce fiber reinforced thermoset polymers. The high market appeal of pultruded profiles and the ...
Analysis and enhancement of resin flow in liquid composite molding process
(2018-04-09)
The research activity was devoted to the study of the composite materials manufacturing processes. In particular, the liquid composite molding (LCM) processes were the object of the performed study. In recent years LCM ...
Additive manufacturing of metal alloys for aerospace application: design, production, repair and optimization
(2018-03-16)
In the industrial field the employment of innovative fabrication technologies is emerging to the purpose of cost reduction and flexibility. In particular, great interest is addressed to additive manufacturing (AM) techniques, ...