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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
ProfessorDemir Ali Gokhan
QualificationAssociate professor full time
Belonging DepartmentDipartimento di Meccanica
Scientific-Disciplinary SectorING-IND/16 - Manufacturing Technology And Systems
Curriculum VitaeDownload CV (139.12Kb - 10/12/2019)
OrcIDhttps://orcid.org/0000-0002-8000-468X

Contacts
Professor's office hours
DepartmentFloorOfficeDayTimetableTelephoneFaxNotes
------FridayFrom 15:00
To 16:00
----Ask for an appointment via mail.
E-mailaligokhan.demir@polimi.it
Professor's personal websitehttp://sitec.mecc.polimi.it

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 >>)
Contributions on scientific books
Development of Single Point Exposure Strategy to Suppress Vapour Formation During the Laser Powder Bed Fusion of Zinc and Its Alloys (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 >>)
Additively manufactured Fe-35Mn-1Ag lattice structures for biomedical applications (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 >>)
Influence of shielding gas flow on the μLMWD of biodegradable Mg alloy and permanent stainless steel for additive manufacturing of biomedical implants (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 >>)
Processability of pure Cu by LPBF using a ns-pulsed green fiber laser (Show >>)
Role of metal 3D printing to increase quality and resource-efficiency in the construction sector (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 >>)
Journal Articles
DEMO radioactive wastes: Decarburization, recycling and reuse by additive manufacturing (Show >>)
Defects in a Laser Powder Bed Fused Tool Steel (Show >>)
Design of an Innovative Oxide Dispersion Strengthened Al Alloy for Selective Laser Melting to Produce Lighter Components for the Railway Sector (Show >>)
Laser powder bed fusion of a topology optimized and surface textured rudder bulb with lightweight and drag-reducing design (Show >>)
Martensitic transformation, microstructure and functional behavior of thin-walled Nitinol produced by micro laser metal wire deposition (Show >>)
Nonintrusive estimation of subsurface geometrical attributes of the melt pool through the sensing of surface oscillations in laser powder bed fusion (Show >>)
Recent advances and directions in the development of bioresorbable metallic cardiovascular stents: Insights from recent human and in vivo studies (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 >>)
Journal Articles
Additively manufactured iron-manganese for biodegradable porous load-bearing bone scaffold applications (Show >>)
Challenges and Opportunities in the Selective Laser Melting of Biodegradable Metals for 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 >>)
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 >>)
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 >>)
Conference proceedings
Design and Pathway Programming of Freeform Thin-walled Geometries Produced by Laser Metal Deposition (Show >>)
Design rules for producing cardiovascular stents by selective laser melting: Geometrical constraints and opportunities (Show >>)
Fracture and fatigue behaviour of AlSi7Mg0.6 produced by Selective Laser Melting: effects of thermal-treatments (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
Applicazione della produzione additiva nel campo del design: una nuova generazione di rubinetti (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 >>)
Micro laser metal wire deposition of thin-walled Al alloy components: Process and material characterization (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 >>)
Single track deposition study of biodegradable Mg-rare earth alloy by micro laser metal wire deposition (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 >>)
Micro laser metal wire deposition for additive manufacturing of thin-walled structures (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. 3.4.25 / 3.4.25
Area Servizi ICT
02/07/2022