logo-polimi
Loading...
Degree programme
Programme Structure
Show/Search Programme
Degree Programme
International context
Customized Schedule
Your customized time schedule has been disabled
Enable
Search
Search a Professor
Professor's activities
Search a Course
Search a Course (system prior D.M. n. 509)
Search Lessons taught in English
Information on didactic, research and institutional assignments on this page are certified by the University; more information, prepared by the professor, are available on the personal web page and in the curriculum vitae indicated on this webpage.
Information on professor
ProfessorPrevitali Barbara
QualificationFull professor full time
Belonging DepartmentDipartimento di Meccanica
Scientific-Disciplinary SectorING-IND/16 - Manufacturing Technology And Systems
Curriculum VitaeDownload CV (40.63Kb - 30/03/2018)
OrcIDhttps://orcid.org/0000-0002-6074-8753

Contacts
Professor's office hours
DepartmentFloorOfficeDayTimetableTelephoneFaxNotes
Mechanical Engineering Department ----FridayFrom 14:00
To 16:00
02.2399.8530--Only on appointment by email
E-mailbarbara.previtali@polimi.it
Professor's personal website--

Data source: RE.PUBLIC@POLIMI - Research Publications at Politecnico di Milano

List of publications and reserach products for the year 2022 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Abstract in Atti di convegno
Additive manufacturing and applications of FESI2.9 soft magnetic meterial (Show >>)
Conference proceedings
Potential Causes for Cracking of a Laser Powder Bed Fused Carbon-free FeCoMo Alloy (Show >>)
Journal Articles
A novel paradigm for feedback control in LPBF: layer-wise correction for overhang structures (Show >>)
Cracking mechanism in a laser powder bed fused cold-work tool steel: The role of residual stresses, microstructure and local elemental concentrations (Show >>)
Enabling multi-material gradient structure in laser powder bed fusion (Show >>)
Interplay between powder catchment efficiency and layer height in self-stabilized laser metal deposition (Show >>)
Processability and cracking behaviour of novel high-alloyed tool steels processed by Laser Powder Bed Fusion (Show >>)


List of publications and reserach products for the year 2021 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Abstract in Atti di convegno
Ni-Ti stents produced by SLM: design, manufacturing and functional properties (Show >>)
Patents
APPARECCHIATURA E PROCESSO PER LA LAVORAZIONE SUPERFICIALE DI CORPI CILINDRICI, IN PARTICOLARE DI CILINDRI DI LAMINAZIONE (Show >>)
Conference proceedings
Energy input adaptation according to part geometry in selective laser melting through empirical modelling of thermal emission (Show >>)
High speed videography of gap bridging with beam oscillation and wire feeding during the laser welding of stainless steel and aluminum alloys (Show >>)
Potential causes for cracking of a laser powder bed fused carbon-free FeCoMo alloy (Show >>)
Real-time velocity regulation for productivity optimization in laser cutting (Show >>)
Journal Articles
Defects in a Laser Powder Bed Fused Tool Steel (Show >>)
In-line monitoring of focus shift by kerf width detection with coaxial thermal imaging during laser cutting (Show >>)
Nonintrusive estimation of subsurface geometrical attributes of the melt pool through the sensing of surface oscillations in laser powder bed fusion (Show >>)
Numerical simulation of particles flow in Laser Metal Deposition technology comparing Eulerian-Eulerian and Lagrangian-Eulerian approaches (Show >>)
Selective laser melting of NiTi stents with open-cell and variable diameter (Show >>)
Single point exposure LPBF for the production of biodegradable Zn-alloy lattice structures (Show >>)
Surface finishing by laser re-melting applied to robotized laser metal deposition (Show >>)
Understanding the deformation mechanisms of horizontal internal channels during the LPBF of 18Ni300 maraging steel (Show >>)


List of publications and reserach products for the year 2020 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Patents
Improvements in the welding together of work-pieces (Show >>)
Sistema ottico combinato per misure dimensionali e termiche, e relativo procedimento di funzionamento (Show >>)
Conference proceedings
Dross attachment estimation in the laser-cutting process via Convolutional Neural Networks (CNN) (Show >>)
Journal Articles
Additively manufactured iron-manganese for biodegradable porous load-bearing bone scaffold applications (Show >>)
Defect-free laser powder bed fusion of Ti–48Al–2Cr–2Nb with a high temperature inductive preheating system (Show >>)
Design and functional testing of a novel balloon-expandable cardiovascular stent in CoCr alloy produced by selective laser melting (Show >>)
Determining the feasible conditions for processing lunar regolith simulant via laser powder bed fusion (Show >>)
Development of processing strategies for multigraded selective laser melting of Ti6Al4V and IN718 (Show >>)
Dynamic behaviour of miniature laser textured skis (Show >>)
Fiber laser welding of AA 5754 in the double lap-joint configuration: process development, mechanical characterization, and monitoring (Show >>)
Finite element modeling of residual stress and geometrical error formations in selective laser melting of metals (Show >>)
Influence of temporal laser emission profile on the selective laser melting (SLM) of thin structures (Show >>)
Laser surface texturing of SS316L for enhanced adhesion of HUVECs (Show >>)
Layer-wise control of selective laser melting by means of inline melt pool area measurements (Show >>)
Observing molten pool surface oscillations during keyhole processing in laser powder bed fusion as a novel method to estimate the penetration depth (Show >>)
Pulsed mode selective laser melting of porous structures: Structural and thermophysical characterization (Show >>)
Real-Time Observation of Melt Pool in Selective Laser Melting: Spatial, Temporal, and Wavelength Resolution Criteria (Show >>)
Real-time continuous estimation of dross attachment in the laser cutting process based on process emission images (Show >>)
Selective laser melting Fe and Fe-35Mn for biodegradable implants (Show >>)
Time-resolved quantification of plasma accumulation induced by multi-pulse laser ablation using self-mixing interferometry (Show >>)


List of publications and reserach products for the year 2019 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Poster
A discussion about finite element modeling of SLM produced stents (Show >>)
Patents
A device for removing flaws in situ during the additive printing of metal parts (Show >>)
Procedimento e sistema per la determinazione della distanza di separazione tra un corpo e la superficie di un oggetto tramite tecniche d'interferometria ottica a bassa coerenza in regime di distorsione da sottocampionamento (Show >>)
Procedimento e sistema per la determinazione della posizione di un elemento di un sistema ottico in un complesso di lavorazione o misura di un oggetto, nonché della posizione di detto oggetto rispetto a detto complesso, tramite misure interferometriche parallele (Show >>)
Procedimento e sistema per la determinazione della posizione locale di almeno un elemento ottico in una macchina per la lavorazione laser di un materiale, tramite tecniche d'interferometria ottica a bassa coerenza (Show >>)
Procedimento e sistema per la determinazione ed il controllo della distanza di separazione tra una testa di lavorazione di una macchina per la lavorazione laser e la superficie di un pezzo in lavorazione tramite tecniche di interferometria ottica a bassa coerenza (Show >>)
Procedimento per una lavorazione laser (Show >>)
Ugello per apparecchiatura per deposizione locale diretta di materiale in forma di polvere sotto fascio laser (Show >>)
Conference proceedings
Design rules for producing cardiovascular stents by selective laser melting: Geometrical constraints and opportunities (Show >>)
In-process laser re-melting of thin walled parts to improve surface quality after laser metal deposition (Show >>)
The use of a ns-pulsed, high repetition rate green laser for SLM of 99.9% pure Cu (Show >>)
Journal Articles
Application of Laser Metal Deposition for a New Model of Assembled Camshaft (Show >>)
Chromium oxide formation on nanosecond and femtosecond laser irradiated thin chromium films (Show >>)
Comparative Study of Pure Iron Manufactured by Selective Laser Melting, Laser Metal Deposition, and Casting Processes (Show >>)
Complementary use of pulsed and continuous wave emission modes to stabilize melt pool geometry in laser powder bed fusion (Show >>)
Deformation and failure mechanisms of Ti–6Al–4V as built by selective laser melting (Show >>)
Estimation of melt pool size by complementary use of external illumination and process emission in coaxial monitoring of selective laser melting (Show >>)
External Illumination Strategies for Melt Pool Geometry Monitoring in SLM (Show >>)
Influence of processing gas composition on laser colouring of commercially pure titanium (Show >>)
Influence of pulsed and continuous wave emission on melting efficiency in selective laser melting (Show >>)
Laser surface texturing of β-Ti alloy for orthopaedics: Effect of different wavelengths and pulse durations (Show >>)
Laser triangulation for coaxial height measurement in laser metal deposition (Show >>)
Limits and solutions in processing pure Cu via selective laser melting using a high-power single-mode fiber laser (Show >>)
Monitoring of laser metal deposition height by means of coaxial laser triangulation (Show >>)
Process development and coaxial sensing in fiber laser welding of 5754 Al-alloy (Show >>)
The influence of laser processing parameters on the densification and surface morphology of pure Fe and Fe-35Mn scaffolds produced by selective laser melting (Show >>)


List of publications and reserach products for the year 2018 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Patents
DISPOSITIVO PER LA RIMOZIONE IN SITU DI DIFETTI DURANTE LA STAMPA ADDITIVA DI PARTI METALLICHE (Show >>)
Conference proceedings
A new approach to Direct Laser Interference Patterning with scanner optics for high productivity (Show >>)
Coaxial laser triangulation for height monitoring in laser metal deposition (Show >>)
Development of Novel High Temperature Laser Powder Bed Fusion System for the Processing of Crack-Susceptible Alloys (Show >>)
Evolution of Laser Ablation Plume Measured by Self-Mixing Interferometry (Show >>)
Selective laser melting of pure Cu with a 1 kW single mode fiber laser (Show >>)
Journal Articles
Additive manufacturing of laser cutting nozzles by SLM: processing, finishing and functional characterization (Show >>)
Comparative study between CW and PW emissions in selective laser melting (Show >>)
Design and Implementation of a Multisensor Coaxial Monitoring System with Correction Strategies for Selective Laser Melting of a Maraging Steel (Show >>)
Global sensitivity analyses of a selective laser melting finite element model: influential parameters identification (Show >>)
High-speed imaging and process characterization of coaxial laser metal wire deposition (Show >>)
In situ monitoring of selective laser melting of zinc powder via infrared imaging of the process plume (Show >>)
Innovative metallic solutions for alpine ski bases (Show >>)
Laser metal deposition employing scanning optics (Show >>)
Laves phases in selective laser melted TiCr1.78 alloys for hydrogen storage (Show >>)
Probing multipulse laser ablation by means of self-mixing interferometry (Show >>)
Prototyping of biodegradable flat stents in pure zinc by laser microcutting and chemical etching (Show >>)
Selective Laser Melting di componenti in rame puro per applicazioni ad alta conducibilità termica ed elettrica (Show >>)
Selective laser melting finite element modeling: Validation with high-speed imaging and lack of fusion defects prediction (Show >>)
Two-beam interference patterning of biodegradable magnesium alloy: Influence of number of passes and spots overlap (Show >>)
manifesti v. 3.4.22 / 3.4.22
Area Servizi ICT
22/05/2022