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Institut für Produkt Engineering - Lehrstuhl Fertigungstechnik

Anschrift
Lotharstraße 1
47057 Duisburg
Raum
MA 123

Funktionen

  • Wissenschaftliche/r Mitarbeiter/in, Fertigungstechnik

Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.

    Artikel in Zeitschriften

  • Wegner, Jan; Martínez-Hincapié, Ricardo; Čolić, Viktor; Kleszczynski, Stefan
    Additively Manufactured Iron-Based Bulk Metallic Glass Composite Electrocatalysts : Effect of Microstructural States on the Oxygen Evolution Reaction Activity
    In: Advanced Materials Interfaces (2023) in press
    ISSN: 2196-7350
  • Frey, Maximilian; Wegner, Jan; Barreto, Erika Soares; Ruschel, Lucas; Neuber, Nico; Adam, Bastian; Riegler, Sascha Sebastian; Jiang, Hao-Ran; Witt, Gerd; Ellendt, Nils; Uhlenwinkel, Volker; Kleszczynski, Stefan; Busch, Ralf
    Laser powder bed fusion of Cu-Ti-Zr-Ni bulk metallic glasses in the Vit101 alloy system
    In: Additive Manufacturing Jg. 66 (2023)
    ISSN: 2214-8604
  • Schnell, Norman; Ferreira, Manuel Pinho; Wegner, Jan; Tillmann, Wolfgang; Kleszczynski, Stefan
    Process strategy for crack-free production of diamond-reinforced metal matrix composites with minimal graphitization through laser powder bed fusion
    In: Diamond and Related Materials Jg. 135 (2023)
    ISSN: 0925-9635; 1879-0062
  • Stern, Felix; Grabowski, Jonas; Elspaß, Arno; Kotzem, Daniel; Kleszczynski, Stefan; Witt, Gerd; Walther, Frank
    Influence assessment of artificial defects on the fatigue behavior of additively manufactured stainless steel 316LVM
    In: Procedia Structural Integrity Jg. 37 (2022) Nr. C, S. 153 - 158
    ISSN: 2452-3216
  • Soares Barreto, Erika; Frey, Maximilian; Wegner, Jan; Jose, Allen; Neuber, Nico; Busch, Ralf; Kleszczynski, Stefan; Mädler, Lutz; Uhlenwinkel, Volker
    Properties of gas-atomized Cu-Ti-based metallic glass powders for additive manufacturing
    In: Materials & Design Jg. 215 (2022)
    ISSN: 0264-1275; 1873-4197
  • Rosenthal, Stephan; Hahn, Marlon; Tekkaya, A. Erman; Platt, Sebastian; Kleszczynski, Stefan; Witt, Gerd
    Speeding up Additive Manufacturing by Means of Forming for Sheet Components with Core Structures
    In: International Journal of Precision Engineering and Manufacturing-Green Technology Jg. 9 (2022) Nr. 4, S. 1021 - 1034
    ISSN: 2198-0810; 2288-6206
  • Schnell, Norman; Schoeler, Maximilian; Witt, Gerd; Kleszczynski, Stefan
    Experimental and numerical thermal analysis of the laser powder bed fusion process using in situ temperature measurements of geometric primitives
    In: Materials & Design Jg. 209 (2021)
    ISSN: 0264-1275; 1873-4197
  • Kotzem, Daniel; Kleszczynski, Stefan; Stern, Felix; Elspaß, Arno; Tenkamp, Jochen; Witt, Gerd; Walther, Frank
    Impact of single structural voids on fatigue properties of AISI 316L manufactured by laser powder bed fusion
    In: International Journal of Fatigue Jg. 148 (2021)
    ISSN: 0142-1123; 1879-3452
  • Wegner, Jan; Frey, Maximilian; Piechotta, Markus; Neuber, Nico; Adam, Bastian; Platt, Sebastian; Ruschel, Lucas; Schnell, Norman; Riegler, Sascha Sebastian; Jiang, Hao-Ran; Witt, Gerd; Busch, Ralf; Kleszczynski, Stefan
    Influence of powder characteristics on the structural and the mechanical properties of additively manufactured Zr-based bulk metallic glass
    In: Materials & Design Jg. 209 (2021)
    ISSN: 0264-1275; 1873-4197
  • Frey, Maximilian; Wegner, Jan; Neuber, Nico; Reiplinger, Benedikt; Bochtler, Benedikt; Adam, Bastian; Ruschel, Lucas; Riegler, Sascha Sebastian; Jiang, Hao-Ran; Kleszczynski, Stefan; Witt, Gerd; Busch, Ralf
    Thermoplastic forming of additively manufactured Zr-based bulk metallic glass : A processing route for surface finishing of complex structures
    In: Materials & Design Jg. 198 (2021)
    ISSN: 0264-1275; 1873-4197
  • Wegner, Jan; Fehr, Alexander; Platt, Sebastian; Kleszczynski, Stefan; Witt, Gerd; Tillmann, Wolfgang
    Diamond-impregnated 316L metal matrix composites fabricated by powder bed fusion with laser beam : Influences of the energy input on the microstructural properties
    In: Diamond and Related Materials Jg. 109 (2020) S. 108040
    ISSN: 0925-9635; 1879-0062
  • Tillmann, Wolfgang; Fehr, Alexander; Wegner, Jan; Stangier, Dominic; Kleszczynski, Stefan; Witt, Gerd
    LPBF-M manufactured Zr-based bulk metallic glasses coated with magnetron sputtered ZrN films
    In: Surface and Coatings Technology Jg. 386 (2020) S. 125463
    ISSN: 0257-8972; 1879-3347
  • Neubrech, Bastian; Wortberg, Johannes; Schiffers, Reinhard; Kleszczynski, Stefan; Witt, Gerd
    Neuartige Werkzeuggeometrien für die Blasfolienextrusion unter Verwendung additiver Fertigungstechnik
    In: Zeitschrift Kunststofftechnik Jg. 2020 (2020) Nr. 3, S. 81 - 107
    ISSN: 1864-2217
  • Rosenthal, Stephan; Platt, Sebastian; Hölker-Jäger, Ramona; Gies, Soeren; Kleszczynski, Stefan; Tekkaya, A. Erman; Witt, Gerd
    Forming properties of additively manufactured monolithic Hastelloy X sheets
    In: Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing Jg. 753 (2019) S. 300 - 316
    ISSN: 0921-5093; 1873-4936
  • zur Jacobsmühlen, Joschka; Achterhold, Jan; Kleszczynski, Stefan; Witt, Gerd; Merhof, Dorit
    In situ measurement of part geometries in layer images from laser beam melting processes
    In: Progress in Additive Manufacturing Jg. 4 (2019) Nr. 2, S. 155 - 165
    ISSN: 2363-9520; 2363-9512
  • Schaak, Christopher; Kleszczynski, Stefan; Tillmann, Wolgang; Witt, Gerd
    Investigation of LBM-processed bimodal powder mixtures of the nickel base alloy HX and WC–Co
    In: Progress in Additive Manufacturing Jg. 4 (2019) Nr. 1, S. 43 - 54
    ISSN: 2363-9520; 2363-9512
  • Chen, Lili; Cikalova, Ulana; Bendjus, Beatrice; Gommlich, Andreas; Sudip, Shohag Roy; Schott, Carolin; Steingroewer, Juliane; Belting, Matthias; Kleszczynski, Stefan
    Laser speckle photometry - Optical sensor systems for condition and process monitoring
    In: Materials Testing: Materialprüfung Jg. 61 (2019) Nr. 3, S. 213 - 219
    ISSN: 2195-8572; 0025-5300
  • Wegner, Jan; Frey, M.; Stiglmair, P.; Kleszczynski, Stefan; Witt, Gerd; Busch, R.
    Mechanical properties of honeycomb structured zr-based bulk metallic glass specimens fabricated by laser powder bed fusion
    In: South African Journal of Industrial Engineering Jg. 30 (2019) Nr. 3, S. 32 - 40
    ISSN: 2224-7890; 1012-277X
  • Sehrt, Jan T.; Kleszczynski, Stefan; Notthoff, Christian
    Nanoparticle improved metal materials for additive manufacturing
    In: Progress in Additive Manufacturing Jg. 2 (2017) Nr. 4, S. 179 - 191
    ISSN: 2363-9520; 2363-9512
  • Beiträge in Sammelwerken und Tagungsbänden

  • Dang, David; Elspas, Arno; Cikalova, Ulana; Kleszczynski, Stefan; Bendjus, Beatrice; Witt, Gerd
    Investigation of the Roughness Influence on the Absorption Behavior of additively manufactured Metals by the Laser Speckle Photometry
    In: Proceedings of the International Spring Seminar on Electronics Technology / 44th International Spring Seminar on Electronics Technology (ISSE), 5-9 May 2021, Bautzen, Germany 2021
    ISBN: 978-1-6654-1477-7 ISSN: 2161-2536
  • Tillmann, W.; Ferreira, M.; Schnell, Norman; Wegner, Jan; Witt, Gerd; Kleszczynski, Stefan
    Investigations on processability and material characteristics of diamond-metal composites fabricated by laser powder bed fusion
    In: Developing the powder metallurgy future: powder production, consolidation technologies, materials, applications, tools for improving PM ; Euro PM 2021 Virtual Congress & Exhibiton ; proceedings / Euro PM Congress & Exhibition; 18.-22. Oktober 2021; online / European Powder Metallurgy Association (Hrsg.) 2021
    ISBN: 9781899072545
  • Kleszczynski, Stefan; Elspaß, Arno
    Influence of isolated structural defects on the static mechanical properties of PBF-LB/M components
    In: 11th CIRP Conference on Photonic Technologies / LANE 2020; Virtual, Online; 7 - 10 September 2020 / Schmidt, M.; Vollertsen, F.; Govekar, E. (Hrsg.) 2020, S. 188 - 193
    ISSN: 2212-8271
  • Wegner, Jan; Frey, Maximilian; Kleszczynski, Stefan; Busch, Ralf; Witt, Gerd
    Influence of process gas during powder bed fusion with laser beam of Zr-based bulk metallic glasses
    In: 11th CIRP Conference on Photonic Technologies / LANE 2020; Virtual, Online; 7 - 10 September 2020 / Schmidt, M.; Vollertsen, F.; Govekar, E. (Hrsg.) 2020, S. 205 - 210
    ISSN: 2212-8271
  • Dang, David; Elspas, Arno; Cikalova, Ulana; Kleszczynski, Stefan; Bendjus, Beatrice; Witt, Gerd
    Material Characterization of Additively Manufactured Metals by Laser Speckle Photometry
    In: Proceedings of the 43rd International Spring Seminar on Electronics Technology / ISSE 2020; Demanovska Valley, Slovakia; 14 - 15 May 2020 2020, S. 9120869
    ISBN: 978-1-7281-6773-2; 978-1-7281-6772-5; 978-1-7281-6774-9
  • Kleszczynski, Stefan; Ladewig, Alexander; Friedberger, K.; zur Jacobsmühlen, Joschka; Merhof, Dorit; Witt, Gerd
    Position dependency of surface roughness in parts from laser beam melting systems
    In: Proceedings - 26th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference / SFF 2015; Austin, United States; 10 - 12 August 2015 2020, S. 360 - 370
  • Schnell, Norman; Siewert, Marvin; Kleszczynski, Stefan; Witt, Gerd; Ploshikhin, Vasily
    Alternative approach on an in-situ analysis of the thermal progression during the LPBF-M process using welded thermocouples embedded into the substrate plate
    In: Solid Freeform Fabrication 2019: Proceedings of the 30th Annual International Solid Freeform Fabrication Symposium - An Additive Manufacturing Conference / SFF 2019; Austin, United States; 12 - 14 August 2019 2019, S. 1264 - 1280
  • Platt, Sebastian; Kleszczynski, Stefan; Witt, Gerd
    Einfluss von Belichtungsparametern und -strategien auf die Bruchdehnung während des pulverbettbasierten Schmelzens von Metallen
    In: Rapid.Tech + FabCon 3.D International Hub for Additive Manufacturing: Exhibition + Conference + Networking: Proceedings of the 16th Rapid.Tech Conference Erfurt, Germany, 25 – 27 June 2019 / 16th Rapid.Tech Conference, 25.-27.06.2019, Erfurt / Kynast, Michael; Eichmann, Michael; Witt, Gerd (Hrsg.) 2019, S. 183 - 196
    ISBN: 978-3-446-46223-6; 3-446-46223-6; 978-3-446-46244-1
  • Platt, Sebastian; Wegner, Jan; Kleszczynski, Stefan; Witt, Gerd
    Effect of scan strategy, re-melting and exposure time on the microstructure of stainless steel 17 - 4 PH fabricated by laser powder bed fusion of metals
    In: Proceedings of 7th International Conference on Additive Technologies iCAT 2018 / 7th International Conference on Additive Technologies iCAT 2018, Maribor, Slovenia, 10. - 11. October 2018 2018, S. 85 - 91
    ISBN: 978-961-288-790-2
  • Wegner, Jan; Frey, Maximilian; Kleszczynski, Stefan; Hechler, Simon; Witt, Gerd; Busch, Ralf
    Parameterstudie zur Verarbeitung metallischer Gläser auf Zr-Basis mit dem Laser-Strahlschmelzverfahren
    In: Rapid.Tech + FabCon 3.D – International Trade Show + Conference for Additive Manufacturing: Proceedings of the 15th Rapid.Tech Conference / 15th Rapid-Tech Conference, 2018.06.07-05, Erfurt, Germany / Kynast, Michael; Eichmann, Michael; Witt, Gerd (Hrsg.) 2018, S. 345 - 360
    ISBN: 978-3-446-45811-6
  • Zur Jacobsmühlen, Joschka; Kleszczynski, Stefan; Witt, Gerd; Merhof, Dorit
    Compound quality assessment in laser beam melting processes using layer images
    In: Proceedings IEEE International Instrumentation and Measurement Technology Conference / I2MTC 2017; Torino; Italy; 22 May 2017 through 25 May 2017 2017, S. 7969870
    ISBN: 9781509035960
  • zur Jacobsmühlen, Joschka; Kleszczynski, Stefan; Ladewig, Alexander; Witt, Gerd; Merhof, Dorit
    In-Situ Surface Roughness Measurement of Laser Beam Melted Parts – a Feasibility Study of Layer Image Analysis
    In: 3rd Fraunhofer Direct Digital Manufacturing Conference, DDMC 2016: Proceedings / Fraunhofer Direct Digital Manufacturing Conference (DDMC), 2016.03.16-17, Berlin, Germany / Müller, Bernhard (Hrsg.) 2016, S. 231 - 236
    ISBN: 978-3-8396-1001-5
  • Sehrt, Jan T.; Kleszczynski, Stefan; Notthoff, Christian; Lau, Marcus; Gökce, Bilal; Barcikowski, Stephan
    Laser powder bed fusion of nano-wc-modified and and nano-TI02-modified metal powders
    In: 6th International Conference on Additive Technologies: iCAT 2016 ; proceedings ; Nürnberg, Germany, 29.-30. November 2016 ; DAAAM Specialized Conference / International Conference on Additive Technologies ; iCAT ; Nürnberg, Germany, 29.-30. November 2016 / Drstvenšek, Igor; Drummer, Dietmar; Schmidt, Michael (Hrsg.) 2016, S. 26 - 38
    ISBN: 978-961-285-537-6
  • Zur Jacobsmuhlen, Joschka; Achterhold, Jan; Kleszczynski, Stefan; Witt, Gerd; Merhof, Dorit
    Robust calibration marker detection in powder bed images from laser beam melting processes
    In: Proceedings of the IEEE International Conference on Industrial Technology / IEEE International Conference on Industrial Technology (ICIT), 2016, 14-17 March 2016 2016, S. 910 - 915
    ISBN: 9781467380751
  • Zur Jacobsmuhlen, Joschka; Kleszczynski, Stefan; Witt, Gerd; Merhof, Dorit
    Detection of elevated regions in surface images from laser beam melting processes
    In: IECON 2015 / 41th annual conference of the IEEE Industrial Electronics Societ ; Yokohama, November 9-12,2015 2015, S. 1270 - 1275
    ISBN: 978-1-4799-1761-7
  • Reinhardt, Thomas; Kleszczynski, Stefan; Witt, Gerd
    Anpassung der Prozesskette lasergesinterter und strahlgeschmolzener Bauteile durch die Qualifizierung potentieller Nachbearbeitungsverfahren innenliegender und außenliegender Strukturen
    In: RapidTech - Fachmesse und Anwendtertagung für Rapid-Technologie: Erfurt, 14., 15. May 2014 2014
    ISBN: 978-3-932875-36-6
  • Kleszczynski, Stefan; Jacobsmühlen, Joschka zur; Reinarz, Bernd; Sehrt, Jan T.; Witt, Gerd; Merhof, Dorit
    Improving Process Stability of Laser Beam Melting Systems
    In: DDMC 2014: Proceedings / Fraunhofer Direct Digital Manufacturing Conference ; DDMC ; March 12 - 13, 2014, Berlin / Demmer, Axel (Hrsg.) 2014, S. 187 - 192
    ISBN: 978-3-8396-9128-1
  • Jacobsmühlen, Joschka zur; Kleszczynski, Stefan; Witt, Gerd; Merhof, Dorit
    Robustness Analysis of Imaging System for Inspection of Laser Beam Melting Systems
    In: IEEE [International Conference on] Emerging Technologies and Factory Automation (ETFA), 2014: Barcelona, Spain, 16 - 19 September 2014 / International Conference on Emerging Technologies and Factory Automation ; 16-19 September 2014, Barcelona 2014, S. 7005262
    ISBN: 978-1-4799-4846-8; 978-1-4799-4844-4; 978-1-4799-4845-1
  • Sehrt, Jan T.; Baier, Oliver; Wegner, Andreas; Kleszczynski, Stefan
    Determining The Properties Of Materials As Parts Being Created - What Are The Effects Of Additive Manufacturing Processes On Material Properties?
    In: 3D Printing & Additive Manufacturing Industrial Applications Summit 2013 2013
  • Kleszczynski, Stefan; zur Jacobsmühlen, Joschka; Sehrt, Jan T.; Witt, Gerd
    Einfluss von Prozessfehlern auf die mechanisch-technologischen Eigenschaften strahlgeschmolzener Bauteile
    In: Rapid.Tech 2013 (14. - 15. Mai 2013, Erfurt) 2013
  • Kleszczynski, Stefan; Hoeren, Karlheinz; Töppel, T.; zur Jacobsmühlen, Joschka; Müller, Bernhard; Witt, Gerd
    Handlungsfelder des additiven Fertigungsverfahrens Strahlschmelzen
    In: DVS Congress 2013: Große Schweißtechnische Tagung, DVS-Studentenkongress, 4. DVS-Forum Schulung und Prüfung ; Vorträge der Veranstaltungen in Essen vom 16. bis 21. September 2013 / DVS: Große Schweißtechnische Tagung ; (Essen) : 2013.09.16-21 2013, S. 75 - 81
    ISBN: 978-3-87155-614-2
  • zur Jacobsmühlen, Joschka; Kleszczynski, Stefan
    High Resolution Imaging for DMLS Inspection
    In: EOS International User Meeting 2013 (IUM); Saalfelden, 22. - 24. April 2013 2013
  • Jacobsmuhlen, Joschka Zur; Kleszczynski, Stefan; Schneider, Dorian; Witt, Gerd; zur Jacobsmuhlen, Joschka
    High resolution imaging for inspection of Laser Beam Melting systems
    In: IEEE International Instrumentation and Measurement Technology Conference (I2MTC): Proceedings / IEEE International Instrumentation and Measurement Technology Conference (I2MTC), 2013 : 6 - 9 May 2013, the Depot Renaissance Minneapolis Hotel, Minneapolis, MN 2013, S. 707 - 712
    ISBN: 978-1-4673-4623-8; 978-1-4673-4621-4 ISSN: 1091-5281
  • Kleszczynski, Stefan; Jacobsmühlen, Joschka zur; Sehrt, Jan T.; Witt, Gerd
    Mechanical properties of laser beam melting componenets depending on various process errors
    In: Digital Product and Process Development Systems: Proceedings / IFIP TC 5 International Conference, NEW PROLAMAT 2013, Dresden, Germany, October 10-11, 2013 / Kovács, George L.; Kochan, Detlef (Hrsg.) 2013, S. 153 - 166
    ISBN: 978-3-642-41329-2; 978-3-642-41328-5
  • Kleszczynski, Stefan; zur Jacobsmühlen, J.; Sehrt, Jan T.; Witt, Gerd
    Error Detection in Laser Beam Melting Systems by High Resolution Imaging
    In: Solid freeform fabrication proceedings / 23rd Annual International Solid Freeform Fabrication Symposium, 2012.08.06-08, Austin, Tex., USA / Bourell, David L. (Hrsg.) 2012, S. 975 - 987
  • Kleszczynski, Stefan; Witt, Gerd
    Standardisierung als Grundlage für i-manufacturing
    In: 5. Merseburger Rapid Prototyping Forum 2011
  • Dissertation

  • Kleszczynski, Stefan;
    Potenziale der bildgestützten Prozessüberwachung zur Steigerung des technologischen Reifegrades von Laser-Strahlschmelzverfahren
    Duisburg, Essen (2018) XV, 171 Blätter