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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
QualificationUntenured researcher legge 240/10 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 2020 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
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 >>)
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 >>)
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 >>)


List of publications and reserach products for the year 2019 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
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 >>)
Selective laser melting Fe and Fe-35Mn for biodegradable implants (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 >>)
Dynamic behaviour of miniature laser textured skis (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 >>)
Laser surface texturing of SS316L for enhanced adhesion of HUVECs (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 >>)


List of publications and reserach products for the year 2017 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Abstract in Atti di convegno
Online process monitoring of SLM with multiple coaxial sensors (Show >>)
Strategies for porosity correction in selective laser melting of 18Ni300 maraging steel (Show >>)
Conference proceedings
A study on selective laser melting (SLM) to produce a compact motorcycle heat exchanger (Show >>)
Additive manufacturing of pure Zn by selective laser melting: improving process stability for porosity reduction (Show >>)
Coaxial Laser Metal Wire Deposition of stainless steel: process characterization (Show >>)
Comparative Costs of Additive Manufacturing vs. Machining: The Case Study of the Entire Annual Production of Forming Dies for Tube Bending (Show >>)
Effect of pulsed and continuous wave emission on the densification behaviour in Selective Laser Melting (Show >>)
Laser microcutting of sheet metal for prototyping expandable stent-like structures in permanent and biodegradable alloys (Show >>)
Use of Sheet Material for Rapid Prototyping of Cardiovascular Stents (Show >>)
Journal Articles
Additive manufacturing e finitura superficiale: impatto sulle prestazioni del componente finale (Show >>)
Additive manufacturing of cardiovascular CoCr stents by selective laser melting (Show >>)
Cold Spray Deposition of Freestanding Inconel Samples and Comparative Analysis with Selective Laser Melting (Show >>)
From pulsed to continuous wave emission in SLM with contemporary fiber laser sources: effect of temporal and spatial pulse overlap in part quality (Show >>)
Investigation of remelting and preheating in SLM of 18Ni300 maraging steel as corrective and preventive measures for porosity reduction (Show >>)
L'additive manufacturing sale in quota (Show >>)
Laser micropolishing of AISI 304 stainless steel surfaces for cleanability and bacteria removal capability (Show >>)
Multi-material selective laser melting of Fe/Al-12Si components (Show >>)
Optical characterization of laser coloured titanium under different processing atmospheres (Show >>)
Process development and monitoring in stripping of a highly transparent polymeric paint with ns-pulsed fiber laser (Show >>)
Processability of pure Zn and pure Fe by SLM for biodegradable metallic implant manufacturing (Show >>)
Selective laser melting of pure Zn with high density for biodegradable implant manufacturing (Show >>)
Self-mixing interferometry as a diagnostics tool for plasma characteristics in laser microdrilling (Show >>)
Sub-micrometric surface texturing of AZ31 Mg-alloy through two-beam direct laser interference patterning with a ns-pulsed green fiber laser (Show >>)
The effect of electrospark nickel interlayer thickness on the characteristics of Niobium to 410 stainless steel dissimilar laser welding (Show >>)


List of publications and reserach products for the year 2016 (Show all details | Hide all details)
Type Title of the Publicaiton/Product
Conference proceedings
Conventional and novel methods in laser microcutting of biodegradable Mg alloys (Show >>)
Densification mechanism for different types of stainless steel powders in Selective Laser Melting (Show >>)
Finishing of laser-machined coronary stents by plasma electrolytic polishing (Show >>)
Laser micro-polished stainless steel surfaces with improved bacteria removal capability (Show >>)
Remote laser cutting of Mg alloy with a ps-pulsed laser (Show >>)
Selective Laser Melting High Performance Modeling (Show >>)
Surface oxidation by laser soft-melting treatment to change degradation behaviour of a magnesium alloy (Show >>)
Journal Articles
Dross-free submerged laser cutting of AZ31 Mg alloy for biodegradable stents (Show >>)
Evaluation of Self-Mixing Interferometry Performance in the Measurement of Ablation Depth (Show >>)
Laser surface texturing of PVD coatings applied to sheet forming dies for stainless steel (Show >>)
Novel Zn-based alloys for biodegradable stent applications: Design,development and in vitro degradation (Show >>)
manifesti v. 3.4.0 / 3.4.0
Area Servizi ICT
19/09/2020