@article{
	11589_76951,
	author = { Serio  Livia Maria  and  Palumbo  Davide  and  Galietti  Umberto  and  De Filippis  Luigi Alberto Ciro  and  Ludovico  Antonio Domenico },
	title = {Monitoring of the friction stir welding process by means of thermography},
	year = {9999},
	journal = {NONDESTRUCTIVE TESTING AND EVALUATION}
}
@article{
	11589_76924,
	author = { SERIO  Livia Maria  and  PALUMBO  Davide  and  DE FILIPPIS  Luigi Alberto Ciro  and  GALIETTI  Umberto  and  LUDOVICO  Antonio Domenico },
	title = {Effect of friction stir process parameters on the mechanical and thermal behavior of 5754-H111 aluminum plates},
	year = {2016},
	journal = {MATERIALS}
}
@article{
	11589_76955,
	author = { Contuzzi  N  and  Campanelli  S L  and  Casalino  G  and  Ludovico  A D },
	title = {On the role of the Thermal Contact Conductance during the Friction Stir Welding of an AA5754-H111 butt joint},
	year = {2016},
	journal = {APPLIED THERMAL ENGINEERING},
	volume = {104},
	keywords = {Finite element analysis; Friction Stir Welding; Thermal Contact Conductance; Energy Engineering and Power Technology; Industrial and Manufacturing Engineering},
	url = {http://www.journals.elsevier.com/applied-thermal-engineering/},
	doi = {10.1016/j.applthermaleng.2016.05.071},	
	pages = {263--273}
}
@article{
	11589_5666,
	author = { Casalino G  and  Campanelli SL  and  Contuzzi N  and  Ludovico AD },
	title = {Experimental investigation and statistical optimisation of the selective laser melting process of a maraging steel},
	year = {2015},
	journal = {OPTICS AND LASER TECHNOLOGY},
	volume = {65},
	abstract = {Selective Laser Melting (SLM) is an Additive Manufacturing process (AM) that built parts from powder using a layer-by-layer deposition technique. The control of the parameters that influence the melting and the amount of energy density involved in the process is paramount in order to get valuable parts. The objective of this paper is to perform an experimental investigation and a successive statistical optimization of the parameters of the selective laser melting process of the 18Ni300 maraging steel. The experimental investigation involved the study of the microstructure, the mechanical and surface properties of the laser maraging powder. The outcomes of experimental study demonstrated that the hardness, the mechanical strength and the surface roughness correlated positively to the part density. Parts with relative density higher than 99% had a very low porosity that presented closed and regular shaped pores. The statistical optimization determined that the best part properties were produced with the laser power bigger than 90 W and the velocity smaller than 220 mm/s.},
	keywords = {Optimization; OptimizatSelective laser melting; Statistical analysis},
	doi = {10.1016/j.optlastec.2014.07.021},	
	pages = {151--158}
}
@conference{
	11589_76967,
	author = { Campanelli  Sabina L  and  Casalino  Giuseppe  and  Mortello  Michelangelo  and  Angelastro  Andrea  and  Ludovico  Antonio Domenico },
	title = {Microstructural characteristics and mechanical properties of Ti6Al4V alloy fiber laser welds},
	year = {2015},
	publisher = {Elsevier},
	journal = {PROCEDIA CIRP},
	volume = {33},
	booktitle = {Procedia CIRP},
	keywords = {Fiber laser welding; Metallurgical and mechanical characterisatio; Titanium alloy; Control and Systems Engineering; Industrial and Manufacturing Engineering},
	url = {http://www.sciencedirect.com/science/journal/22128271},
	doi = {10.1016/j.procir.2015.06.098},	
	pages = {428--433}
}
@conference{
	11589_18377,
	author = { De Filippis L  and  Galietti U  and  Ludovico A  and  Serio L  and  Palumbo D },
	title = {ANALISI DEL PROCESSO DI FRICTION STIR WELDING APPLICATO ALLA LEGA AA 5754 H111: COMPORTAMENTO MECCANICO E TERMICO DEI GIUNTI},
	year = {2014},
	booktitle = {Atti del 43° CONVEGNO NAZIONALE AIAS},
	abstract = {Il presente lavoro è finalizzato ad esaminare l'influenza dei parametri di processo sulle variazioni delle proprietà meccaniche subite dalla lega di alluminio AA5754-H111, saldata mediante la tecnica di Friction Stir Welding (FSW). Il processo è stato monitorato mediante l’utilizzo di termocamere ad infrarossi, al fine di correlare le informazioni derivanti dai campi termici registrati sul materiale durante la saldatura, con eventuali mutazioni del comportamento meccanico dei giunti saldati. Le indagini termiche hanno consentito di ricavare la distribuzione delle temperature in prossimità di tutti i cordoni di saldatura. Da esse è emersa una rilevante asimmetria termica tra i lembi dei giunti e una distribuzione delle temperature non uniforme dall’inizio alla fine delle saldature. Tali risultati hanno evidenziato come le tecniche termografiche rappresentino un importante strumento di controllo e di analisi delle proprietà meccaniche dei giunti realizzati con il processo di FSW.},
	keywords = {Friction Stir Welding},
	pages = {366--376}
}
@conference{
	11589_20461,
	author = { R  Surace  and  G  Marinzuli  and  L A C  De Filippis  and  Ludovico A },
	title = {Effect of Laser Welding on Intermetallic Phase Formation between Aluminium Alloys Foam and Steel Bulk Skin},
	year = {2014},
	booktitle = {Proceedings of International Conference CellMat 2014},
	abstract = {Metal foams are conquering an increasing interest in the industrial stage. Aluminium foams have a high potential for use in weight-sensitive construction parts. The stiffness to weight ratio is the main criteria for material selection in light-weight design. Many processes are available to manufacture metal foams classified according to the state in which the metal is processed (liquid,
solid, vapour or a solution of metal ions) and similarly different techniques can be applied to join the foam to bulk elements. In this context, the aim of this work is to perform an experimental
study of laser welding for realising parts with an aluminium foam core (AlSi10 and AlSi0.6Mg1) and a steel external skin. The goal of the paper is to point out the feasibility of the process with the formation of an intermetallic phase between steel and aluminium and then the influence of the main process parameters. The experimentation was carried out in two steps: a preliminary study about an overlapped joint between steel and foam sheets and then the joining of steel hollow
profile and aluminium foam obtained by a precursor material foamed directly inside the profile. A full
factorial plan was designed by varying different process parameters referred to the laser (power of the laser source, execution speed, heat input and focal distance of the laser beam) while, except the precursor material, all the factors relative to the foam were kept constant. As results an intermetallic phase formation between aluminium foams and a stainless steel sheets and moulds have been obtained observed by micrograph examination.},
	keywords = {Aluminium Alloys Foam; Laser Welding; Intermetallic Phase Formation}
}
@article{
	11589_5513,
	author = { De Filippis L  and  Galietti U  and  Ludovico A  and  Serio L  and  Palumbo D },
	title = {ANALISI DEL PROCESSO DI FRICTION STIR WELDING APPLICATO ALLA LEGA AA 5754 H111: COMPORTAMENTO MECCANICO E TERMICO DEI GIUNTI},
	year = {2014},
	journal = {RIVISTA ITALIANA DELLA SALDATURA},
	volume = {Issue 4 , luglio-agosto 2014},
	abstract = {L’attività oggetto del presente articolo è finalizzata allo studio dell'influenza dei parametri di processo sulle proprietà meccaniche di giunti saldati in lega di alluminio AA 5754 H111 dello spessore di 6 mm, mediante Friction Stir Welding (FSW). 
Le analisi compiute hanno coinvolto parametri di processo quali velocità di avanzamento e velocità di traslazione, imposte all'utensile durante la saldatura. Nel corso delle prove eseguite sono state monitorate le temperature raggiunte per mezzo di termocoppie e di termocamere a infrarossi. 
I campi termici rilevati durante il processo di FSW hanno fornito importanti informazioni circa le distribuzioni delle temperature per ogni combinazione di parametri di processo assegnata. Le osservazioni più rilevanti hanno riguardato le disuniformità termiche registrate lungo la lunghezza di tutti i giunti saldati e le asimmetrie in termini di temperature massime raggiunte tra i due lati della saldatura. In particolare è stato osservato che le temperature più elevate sono sempre state registrate lungo il Retreating Side rispetto all’Advancing Side.
Tali risultati attestano l’importanza delle tecniche termografiche quale strumento utilissimo ed efficace per il controllo e il monitoraggio delle numerose variabili che entrano in gioco nel processo FSW. 
Inoltre le prove meccaniche statiche condotte sui giunti precedentemente monitorati, hanno comprovato una distribuzione non uniforme anche delle caratteristiche resistenziali lungo la direzione di saldatura. Tali valutazioni hanno portato ad affermare che, in base ai parametri di processo prescelti e al set-up delle attrezzature impiegato, il processo non poteva essere considerato “stazionario”. 
Alla luce di tali risultati si è ipotizzato quindi si è ipotizzato un legame tra la variazione delle proprietà termiche e la disuniformità delle proprietà meccaniche degli stessi giunti, lungo la direzione di saldatura. Infine è stata dimostrata una influenza rilevante dei parametri di processo impiegati sulle caratteristiche resistenziali, mediante lo sviluppo dell’ANOVA, ovvero Analisi della Varianza dei risultati ottenuti},
	keywords = {Friction Stir Welding; LEGA AA 5754 H111},
	pages = {509--524}
}
@article{
	11589_1460,
	author = { Campanelli S  and  Casalino G  and  Contuzzi N  and  Angelastro A  and  Ludovico AD },
	title = {Proprietà e performance di materiali metallici ottenuti 
mediante Selective Laser Melting},
	year = {2014},
	journal = {APPLICAZIONI LASER},
	volume = {febbraio/marzo 2014}
}
@article{
	11589_657,
	author = { Gaia Marinzuli  and  Luigi Alberto Ciro De Filippis  and  Rossella Surace  and  Ludovico A },
	title = {Effect of processing parameters on morphology and plateau stress of 
AlSi and AlSiMg foams},
	year = {2014},
	journal = {PROCEDIA MATERIALS SCIENCE},
	volume = {4 (2014)},
	abstract = {In this work, aluminium foams produced by the powder metallurgy route are evaluated. This kind of aluminium foams have a 
high potential in weight-sensitive construction parts. The aim of this study is to evaluate the properties (in terms of foam 
morphology and plateau stress) and to optimize three control factors chosen: temperature, precursor material and mean of 
cooling. AlSi10 and AlSi0.6Mg1commercial foamable precursors are the starting materials. Different set of samples are realized 
following the DoE approach; manufactured samples have been morphologically and mechanically analyzed to evaluate what 
level of each parameter better influences the final quality of the foam. Temperature and mean of cooling have a great influence
on the mechanical behavior of the foamed structure.},
	keywords = {Aluminum foam, Repeatability, Morphological Characterization, Compressive test, Plateau Stress},
	doi = {10.1016/j.mspro.2014.07.613},	
	pages = {115--120}
}
@conference{
	11589_18454,
	author = { Campanelli S  and  De Filippis L  and  Ludovico A  and  Angelastro A  and  Contuzzi N  and  Serio L  and  Casavola C  and  Pappalettere C  and  Moramarco V },
	title = {TEchnologies for Production, and Maintenance applied to Aeronautic Propulsion (TEMA project)},
	year = {2014},
	booktitle = {Proceeedings of 1st Workshop on the state of the Art and Challenges of Research Efforts at Poliba},
	keywords = {aeronautic propulsion; maintenance}
}
@conference{
	11589_18457,
	author = { Ludovico A  and  Angelastro A  and  Campanelli S  and  Casalino G  and  Casavola C  and  Contuzzi N  and  De Filippis L  and  Moramarco V  and  Serio L },
	title = {Innovative Techniques of Joining for Advanced Materials in Aeronautical Applications},
	year = {2014},
	publisher = {Gangemi Editore},
	address = {Roma},
	booktitle = {proceedings of 1st Workshop on the state of the Art and Challenges of Research Efforts at Poliba},
	keywords = {Joining; advanced materials; aeronautical applications}
}
@conference{
	11589_20373,
	author = { De Filippis L  and  Campanelli S  and  Ludovico A  and  Angelastro A  and  Contuzzi N  and  Marinzuli G  and  Serio L  and  Surace R },
	title = {Cellular metal materials:production and characterization of aluminum foam},
	year = {2014},
	publisher = {Gangemi Editore},
	address = {Roma},
	booktitle = {Proceedings of 1st Workshop on the State of the Art and Challenges of Research Efforts at Poliba},
	keywords = {Cellular metal materials; aluminum foam}
}
@conference{
	11589_23728,
	author = { Campanelli S  and  Contuzzi N  and  De Filippis L  and  Angelastro A  and  Ludovico A  and  Serio L },
	title = {Advanced Lightweight Structures Fabricated by Selective Laser Melting},
	year = {2014},
	publisher = {Gangemi Editore},
	address = {Roma},
	booktitle = {Proceedings of 1st Workshop on the State Of the Art and Challenges of Research Efforts at Poliba},
	keywords = {Advanced Lightweight Structures ; Selective Laser Melting}
}
@conference{
	11589_22933,
	author = { Pappalettere C  and  Casavola C  and  Foglia M  and  Trentadue B  and  Barile C  and  De Cillis F  and  Moramarco Vincenzo  and  Pappalettera G  and  Tursi G  and  Campanelli S  and  Ludovico A  and  Contuzzi N },
	title = {Nuovo processo a basso impatto ambientale ed a ridotto rischio operativo per il recupero ed il riciclo dei materiali costituenti le batteria di piombo (Batterie)},
	year = {2014},
	publisher = {Gangemi Editore},
	address = {Roma},
	booktitle = {Proceedings of 1st Workshop on the state of the Art and Challenges of Research Efforts at Poliba},
	keywords = {nuovo processo; basso impatto ambientale}
}
@article{
	11589_971,
	author = { Campanelli S L  and  Contuzzi N  and  Ludovico A  and  Caiazzo F  and  Cardaropoli F  and  Sergi V },
	title = {Manufacturing and characterization of Ti6Al4V lattice components manufactured by selective laser melting},
	year = {2014},
	journal = {MATERIALS},
	volume = {7},
	abstract = {The paper investigates the fabrication of Selective Laser Melting (SLM) titanium alloy Ti6Al4V micro-lattice structures for the production of lightweight components. Specifically, the pillar textile unit cell is used as base lattice structure and alternative lattice topologies including reinforcing vertical bars are also considered. Detailed characterizations of dimensional accuracy, surface roughness, and micro-hardness are performed. In addition, compression tests are carried out in order to evaluate the mechanical strength and the energy absorbed per unit mass of the lattice truss specimens made by SLM. The built structures have a relative density ranging between 0.2234 and 0.5822. An optimization procedure is implemented via the method of Taguchi to identify the optimal geometric configuration which maximizes peak strength and energy absorbed per unit mass.},
	keywords = {Ti6Al4V titanium alloy; Selective laser melting; Micro-lattice structures},
	doi = {10.3390/ma7064803},	
	pages = {4803--4822}
}
@inbook{
	11589_2693,
	author = { Campanelli S L  and  Casalino G  and  Contuzzi N  and  Angelastro A  and  Ludovico A D },
	title = {Analysis of the molten/solidified zone in selective laser melted parts},
	year = {2014},
	publisher = {Friedhelm Dorsch, Editor(s)},
	journal = {PROCEEDINGS OF SPIE, THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING},
	volume = {8963},
	booktitle = {Proceedings of SPIE - Volume 8963},
	abstract = {The process of Selective Laser Melting (SLM) is an innovative technology for rapid prototyping that can be included among the SFF (Solid Freeform Fabrication) techniques, which are characterized by "free-form" manufacturing of solid parts. SLM is an additive technology that operates starting from the data encoded in the three-dimensional computer aided design (CAD) file of the component to be built. After the slicing operation made on the 3D model of the component, the consequent data file is sent to a computer-controlled laser device that fuses successive layers of metal powder to create the three-dimensional product. The SLM is a technological process which involves optical, thermal and solidification phenomena; thus the analysis of the process is rather complex. This work aims to study the molten/solidified zone in SLM samples through the experimental analysis of the shape and the size of laser tracks. The functional relationships between dimensional parameter of the molten/solidified track and the main parameters used to control the process was identified. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.},
	keywords = {Lasers , Manufacturing , Metals , Rapid manufacturing , Computer aided design , Computing systems , Fabrication},
	doi = {10.1117/12.2042170},	
	pages = {896311-1--896311-8}
}
@inbook{
	11589_8258,
	author = { Casalino G  and  Campanelli S  and  Contuzzi N  and  Angelastro A  and  Ludovico AD },
	title = {Laser assisted friction stir welding of aluminum alloy lap joints: Microstructural and microhardness characterizations},
	year = {2014},
	journal = {PROCEEDINGS OF SPIE, THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING},
	volume = {8963},
	booktitle = {High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications III},
	abstract = {Friction Stir Welding (FSW) is a solid-state joining process; i.e., no melting occurs. The welding process is promoted by the rotation and translation of an axis-symmetric non-consumable tool along the weld centerline. Thus, the FSW process is performed at much lower temperatures than conventional fusion welding, nevertheless it has some disadvantages. The laser Assisted Friction Stir Welding (LAFSW) combines a Friction Stir Welding machine and a laser system. Laser power is used to preheat and to plasticize the volume of the workpiece ahead of the rotating tool; the workpiece is then joined in the same way as in the conventional FSW process. In this work an Ytterbium fiber laser with maximum power of 4 kW and a commercial FSW machine were coupled. Both FSW and LAFSW tests were conducted on 3 mm thick 5754H111 aluminum alloy plates in lap joint configuration with a constant tool rotation rate and with different feed rates. The two processes were compared and evaluated in terms of differences in the microstructure and in the micro-hardness profile.},
	doi = {10.1117/12.2042215},	
}
@conference{
	11589_23353,
	author = { Pappalettere C  and  De Palma P  and  Pascazio G  and  De Tullio M  and  Camporeale S  and  Dambrosio L  and  Fortunato B  and  Torresi M  and  Fornarelli F  and  Carbone G  and  Afferrante L  and  Bottiglione F  and  Mantriota G  and  Foglia MM  and  Demelio G  and  Ciavarella M  and  Lamberti L  and  Boccaccio A  and  Ludovico AD  and  Csmpanelli SL  and  De Filippis LAC  and  Tricarico L  and  Palumbo G  and  Sorgente D  and  Scintilla LD  and  Galantucci LM  and  Percoco G  and  Lavecchia F  and  Casavola C  and  Naso N  and  Lino P  and  Maione G  and  Stasi S  and  Turchiano B  and  Cupertino F },
	title = {Advanced technologies for reduction of polluting emissions, fuel consumption and
operating costs of Heavy Duty engines, INNOVHEAD},
	year = {2014},
	volume = {Track A},
	booktitle = {Atti del "1st WORKSHOP on the State of the art and Challenges Of Research Efforts @ POLIBA"}
}
@article{
	11589_76974,
	author = { Serio  L M  and  De Filippis  L  A C  and  Palumbo  D  and  Galietti U  and  Ludovico  A D },
	title = {Analysis of the Friction Stir Welding process applied to the alloy AA 5754 Hill: Thermal and mechanical behavior of the joints | [Analisi del processo Friction Stir Welding applicato alla lega AA 5754 H111: comportamento meccanico e termico dei giunti]},
	year = {2014},
	journal = {RIVISTA ITALIANA DELLA SALDATURA}
}