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Le informazioni sulla didattica, sulla ricerca e sui compiti istituzionali riportate in questa pagina sono certificate dall'Ateneo; ulteriori informazioni, redatte a cura del docente, sono disponibili sulla pagina web personale e nel curriculum vitae indicati nella scheda.
Informazioni sul docente
DocentePrevitali Barbara
QualificaProfessore ordinario a tempo pieno
Dipartimento d'afferenzaDipartimento di Meccanica
Settore Scientifico DisciplinareING-IND/16 - Tecnologie E Sistemi Di Lavorazione
Curriculum VitaeScarica il CV (40.63Kb - 30/03/2018)
OrcIDhttps://orcid.org/0000-0002-6074-8753

Contatti
Orario di ricevimento
DipartimentoPianoUfficioGiornoOrarioTelefonoFaxNote
Mechanical Engineering Department ----VenerdìDalle 14:00
Alle 16:00
02.2399.8530--Su appuntamento mediante email
E-mailbarbara.previtali@polimi.it
Pagina web redatta a cura del docente--

Fonte dati: RE.PUBLIC@POLIMI - Research Publications at Politecnico di Milano

Elenco delle pubblicazioni e dei prodotti della ricerca per l'anno 2023 (Mostra tutto | Nascondi tutto)
Tipologia Titolo Pubblicazione/Prodotto
Abstract in Rivista
Building Orientation and Heat Treatments Effect on the Pseudoelastic Properties of NiTi Produced by LPBF (Mostra >>)
Contributo in Atti di convegno
Effects of laser cutting on the chemical composition and phase transformation capacity in Cu-Al-Mn shape memory alloy sheets (Mostra >>)
Investigating cut quality degradation due to heat accumulation during the laser cutting of high thickness mild steel plates (Mostra >>)
Lasers in the manufacturing of cardiovascular metallic stents: Subtractive and additive processes with a digital tool (Mostra >>)
Real-time roughness estimation in laser oxidation cutting via coaxial process vision (Mostra >>)
Articoli su riviste
A comprehensive study of A357 alloy printability via laser metal deposition (Mostra >>)
Additive manufacturing and post-processing of superelastic NiTi micro struts as building blocks for cardiovascular stents (Mostra >>)
Assessment of nanoparticle emission in additive manufacturing: Comparing wire and powder laser metal deposition processes (Mostra >>)
Characterizing Nanoparticle Release Patterns of Laser Powder Bed Fusion in Metal Additive Manufacturing: First Step Towards Mitigation Measures (Mostra >>)
Coaxial and synchronous monitoring of molten pool height, area, and temperature in laser metal deposition (Mostra >>)
Comparison between Eight-Axis Articulated Robot and Five-Axis CNC Gantry Laser Metal Deposition Machines for Fabricating Large Components (Mostra >>)
Effect of in-source beam shaping and laser beam oscillation on the electromechanical properties of Ni-plated steel joints for e-vehicle battery manufacturing (Mostra >>)
Electromagnetic shielding properties of LPBF produced Fe2.9wt.%Si alloy (Mostra >>)
Enhancing productivity and efficiency in conventional laser metal deposition process for Inconel 718 - part I: the effects of the process parameters (Mostra >>)
Enhancing productivity and efficiency in conventional laser metal deposition process for Inconel 718 – Part II: advancing the process performance (Mostra >>)
Hand-Held Laser Welding of AISI301LN for components with aesthetic requirements: Toward the integration of machine and human intelligence (Mostra >>)
Hybrid manufacturing of steel construction parts via arc welding of LPBF-produced and hot-rolled stainless steels (Mostra >>)
Molten pool temperature monitoring in laser metal deposition: Comparison between single wavelength and ratio pyrometry techniques (Mostra >>)
The influence of novel beam shapes on melt pool shape and mechanical properties of LPBF produced Al-alloy (Mostra >>)


Elenco delle pubblicazioni e dei prodotti della ricerca per l'anno 2022 (Mostra tutto | Nascondi tutto)
Tipologia Titolo Pubblicazione/Prodotto
Abstract in Atti di convegno
Additive manufacturing and applications of FESI2.9 soft magnetic meterial (Mostra >>)
Brevetti
APPARATUS AND PROCESS FOR SURFACE PROCESSING OF CYLINDRICAL BODIES, IN PARTICULAR ROLLING CYLINDERS (Mostra >>)
PROCEDIMENTO E MACCHINA PER UNA LAVORAZIONE LASER (Mostra >>)
PROCEDIMENTO E MACCHINA PER UNA LAVORAZIONE LASER CON STIMA DI RUGOSITA' (Mostra >>)
Procedimento di lavorazione laser di un materiale metallico basato sulla determinazione automatica del materiale o dei parametri di lavorazione (Mostra >>)
Contributo in Atti di convegno
Functional characterization of L-PBF produced FeSi2.9 Soft Magnetic Material (Mostra >>)
Integrated Robot Motion and Process control for manufacturing reshaping (Mostra >>)
Patient-specific cardiovascular superelastic NiTi stents produced by laser powder bed fusion (Mostra >>)
Potential Causes for Cracking of a Laser Powder Bed Fused Carbon-free FeCoMo Alloy (Mostra >>)
Articoli su riviste
A novel paradigm for feedback control in LPBF: layer-wise correction for overhang structures (Mostra >>)
Building Orientation and Heat Treatments Effect on the Pseudoelastic Properties of NiTi Produced by LPBF (Mostra >>)
Coordination of spatial and temporal laser beam profile towards ultra-fine feature fabrication in laser powder bed fusion (Mostra >>)
Cracking mechanism in a laser powder bed fused cold-work tool steel: The role of residual stresses, microstructure and local elemental concentrations (Mostra >>)
Enabling multi-material gradient structure in laser powder bed fusion (Mostra >>)
External Illumination Enables Coaxial Sensing of Surface and Subsurface Molten Pool Geometry in LPBF (Mostra >>)
In-line monitoring of focus shift by kerf width detection with coaxial thermal imaging during laser cutting (Mostra >>)
Interplay between powder catchment efficiency and layer height in self-stabilized laser metal deposition (Mostra >>)
Laser weldability of laser powder bed fused AlSi7Mg0.6 (Mostra >>)
Processability and cracking behaviour of novel high-alloyed tool steels processed by Laser Powder Bed Fusion (Mostra >>)
Processability of pure Cu by LPBF using a ns-pulsed green fiber laser (Mostra >>)
Understanding the effects of temporal waveform modulation of laser emission power in laser powder bed fusion: Part II - Experimental investigation (Mostra >>)
Understanding the effects of temporal waveform modulation of the laser emission power in laser powder bed fusion: Part I - Analytical modelling (Mostra >>)


Elenco delle pubblicazioni e dei prodotti della ricerca per l'anno 2021 (Mostra tutto | Nascondi tutto)
Tipologia Titolo Pubblicazione/Prodotto
Abstract in Atti di convegno
Ni-Ti stents produced by SLM: design, manufacturing and functional properties (Mostra >>)
Brevetti
APPARECCHIATURA E PROCESSO PER LA LAVORAZIONE SUPERFICIALE DI CORPI CILINDRICI, IN PARTICOLARE DI CILINDRI DI LAMINAZIONE (Mostra >>)
Contributo in Atti di convegno
Energy input adaptation according to part geometry in selective laser melting through empirical modelling of thermal emission (Mostra >>)
High speed videography of gap bridging with beam oscillation and wire feeding during the laser welding of stainless steel and aluminum alloys (Mostra >>)
Potential causes for cracking of a laser powder bed fused carbon-free FeCoMo alloy (Mostra >>)
Real-time velocity regulation for productivity optimization in laser cutting (Mostra >>)
Articoli su riviste
Defects in a Laser Powder Bed Fused Tool Steel (Mostra >>)
Nonintrusive estimation of subsurface geometrical attributes of the melt pool through the sensing of surface oscillations in laser powder bed fusion (Mostra >>)
Numerical simulation of particles flow in Laser Metal Deposition technology comparing Eulerian-Eulerian and Lagrangian-Eulerian approaches (Mostra >>)
Selective laser melting of NiTi stents with open-cell and variable diameter (Mostra >>)
Single point exposure LPBF for the production of biodegradable Zn-alloy lattice structures (Mostra >>)
Surface finishing by laser re-melting applied to robotized laser metal deposition (Mostra >>)
Understanding the deformation mechanisms of horizontal internal channels during the LPBF of 18Ni300 maraging steel (Mostra >>)


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


Elenco delle pubblicazioni e dei prodotti della ricerca per l'anno 2019 (Mostra tutto | Nascondi tutto)
Tipologia Titolo Pubblicazione/Prodotto
Poster
A discussion about finite element modeling of SLM produced stents (Mostra >>)
Brevetti
A device for removing flaws in situ during the additive printing of metal parts (Mostra >>)
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 (Mostra >>)
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 (Mostra >>)
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 (Mostra >>)
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 (Mostra >>)
Procedimento per una lavorazione laser (Mostra >>)
Ugello per apparecchiatura per deposizione locale diretta di materiale in forma di polvere sotto fascio laser (Mostra >>)
Contributo in Atti di convegno
Design rules for producing cardiovascular stents by selective laser melting: Geometrical constraints and opportunities (Mostra >>)
In-process laser re-melting of thin walled parts to improve surface quality after laser metal deposition (Mostra >>)
The use of a ns-pulsed, high repetition rate green laser for SLM of 99.9% pure Cu (Mostra >>)
Articoli su riviste
Application of Laser Metal Deposition for a New Model of Assembled Camshaft (Mostra >>)
Chromium oxide formation on nanosecond and femtosecond laser irradiated thin chromium films (Mostra >>)
Comparative Study of Pure Iron Manufactured by Selective Laser Melting, Laser Metal Deposition, and Casting Processes (Mostra >>)
Complementary use of pulsed and continuous wave emission modes to stabilize melt pool geometry in laser powder bed fusion (Mostra >>)
Deformation and failure mechanisms of Ti–6Al–4V as built by selective laser melting (Mostra >>)
Estimation of melt pool size by complementary use of external illumination and process emission in coaxial monitoring of selective laser melting (Mostra >>)
External Illumination Strategies for Melt Pool Geometry Monitoring in SLM (Mostra >>)
Influence of processing gas composition on laser colouring of commercially pure titanium (Mostra >>)
Influence of pulsed and continuous wave emission on melting efficiency in selective laser melting (Mostra >>)
Laser surface texturing of β-Ti alloy for orthopaedics: Effect of different wavelengths and pulse durations (Mostra >>)
Laser triangulation for coaxial height measurement in laser metal deposition (Mostra >>)
Limits and solutions in processing pure Cu via selective laser melting using a high-power single-mode fiber laser (Mostra >>)
Monitoring of laser metal deposition height by means of coaxial laser triangulation (Mostra >>)
Process development and coaxial sensing in fiber laser welding of 5754 Al-alloy (Mostra >>)
The influence of laser processing parameters on the densification and surface morphology of pure Fe and Fe-35Mn scaffolds produced by selective laser melting (Mostra >>)
manifesti v. 3.5.10 / 3.5.10
Area Servizi ICT
03/12/2023