Lecturer Dr.-Ing. Christian Overhagen
Lectures
Bachelor
- Grundlagen der Umformtechnik / Fundamentals of Metal Forming (Winter Semester)
- Umformtechnik / Metal Forming (Winter Semester)
- Design Theory 1 (Summer Semester)
- Design Theory 2 (Winter Semester)
- Design Theory 3 (Summer Semester)
- Werkstoffprüfung / Materials Testing (Summer Semester)
Master
- Plastomechanik und Umformverfahren / Theory of Plasticity (Summer Semester)
- Testing of Metallic Materials (Winter Semester)
- Pass Design and Calculation of Mill Rolls (Summer Semester)
Research Interests
- Fast analytical models for rolling processes
- Application of Machine Learning methods in metal forming
- Section rolling and pass design
- Digitization in Metal Forming
- Mill Process Calculations
Address
Friedrich-Ebert-Str. 12
47119 Duisburg
47119 Duisburg
Room
ST 096
Phone
Fax
Office hours
nur nach Vereinbarung
Functions
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Wissenschaftliche/r Mitarbeiter/in, Umformtechnik
Current lectures
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2024 WS
- Umformtechnik
- Theory of Plasticity (Fundamentals of Metal Forming)
- Umformtechnik
- Design Theory 2
- Testing of Metallic Materials Lab
- Praxis des Maschinenbaus
- Testing of Metallic Materials
- Design Theory 2
- Walzenkalibrierung für Vollquerschnitte
- Werkstoffprüfung Praktikum
- Design Theory 2
- Plastomechanik und Umformverfahren
- Aktuelle Entwicklung MaschBau
- Grundlagen der Umformtechnik
- Plastomechanik und Umformverfahren
Past lectures (max. 10)
Supervised Master Theses
Yuke Yang | A data-driven model for interstand tensions in wire rod finishing blocks based on analytical computations | 2020 |
Rolf Braun | Untersuchungen und Modellbildung zur Breitung und Seitenausbildung beim Flach- und Profildrahtwalzen | 2020 |
Supervised Bachelor Theses
Kaiqi Fu | A data-driven model for roll pass design of round sections in MATLAB | 2021 |
Sichen Zhou | Roll pass design of square sections using an artificial neural network in MATLAB | 2021 |
Dalia Heitham Yousif | Beschreibung der Breitung und Querschnittsentwicklung im Vierwalzenverfahren mit Hilfe eines analytischen Modells | 2021 |
Patrick Nee Quan Khoo | Implementation of hexagon pass design calculations into a software solution for roll pass design | 2021 |
Melis Sönmez | Vergleich von Methoden zur Beeinflussung des Dickenquerprofils beim Warmwalzen von Band mittels kontinuierlich verstellbarer Walzenballigkeit | 2021 |
Halid Omerovic | Datengetriebene Modellierung der Fließspannung bei der Warm- und Kaltumformung von Stählen in Abhängigkeit des Cr-, Ni- und Mo-Gehaltes und Vergleich mit analytischen Funktionsansätzen | 2021 |
Maik Tino Gruszka | Erweiterung einer Kalibrierungssoftware für Vollquerschnitte in C++ zur Berücksichtigung temperatur- und werkstoffabhängiger Breitungseffekte sowie elastischer Gerüstauffederung | 2020 |
Sezer Kalyoncu | Automatisierte Auslegung von Kaliberreihen für das Vierwalzenverfahren zum Sizing von Rundquerschnitten mit MATLAB | 2020 |
Adomas Buciunas | Development of an automated pass design tool for hot rolling of square sections in C++ | 2020 |
Carmen Wei Li Lim | Design and optimization of pass schedules for flat rolling with a data-driven model based on analytically calculated process data | 2020 |
Kian Hoong Chook | Development of a roll pass design software for round sections in C++ | 2020 |
Arif Demirci | Ermittlung von Fließkurven für die Kaltumformung legierter Stähle im Zylinderstauchversuch | 2020 |
Anas Mallal | Modellierung der temperatur – und werkstoffabhängigen Breitung beim Warmwalzen unterschiedlicher Stahlwerkstoffe | 2020 |
Seher Samur | Automatisierte Berechnung von Stichplänen zum Warm- und Kaltwalzen von Flacherzeugnissen | 2019 |
Muhammad Ahmad Islam | Development of a Pass Schedule Calculation Tool for Stationary and Accelerated Hot Rolling | 2019 |
Ruiyu Hu | Analysis of Pass Designs for Two-Roll Sizing of Round Sections | 2019 |
Enes Gegic | Vergleich und Analyse von Kaliberreihen zum Walzen von Stabstahl und Draht | 2019 |
Jian Xin Zhang | Modeling of Heat Transfer in a Work Roll used in Strip Rolling | 2017 |
Curriculum Vitae
01/2021 | Appointed Lecturer in Metal Forming ("Akademischer Rat") |
11/2018 | Ph.D. in Engineering (Dr.-Ing.) with the thesis "Models for Rolling of Flat and Full Sections" |
08/2011 | Master of Science Degree, Clausthal University of Technology |
09/2005 | Bachelor of Engineering Degree, University of Duisburg-Essen |
06/2001 | Abitur at Gymnasium Korschenbroich |
11/1981 | Born in Essen |
2021-present | Lecturer ("Akademischer Rat"), University of Duisburg-Essen, Metal Forming |
2011-2020 | Scientific Associate, University of Duisburg-Essen, Metal Forming |
2007-2010 |
Laboratory Engineer for Materials Testing, University of Duisburg-Essen, Metal Forming |
Publication Record
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Roll pass design for round and square sections using an informed artificial neural networkIn: Proceedings of the 20th International Conference on Metal Forming 2024 / 20th International Conference on Metal Forming 2024; 15 - 18 September 2024; Krakow, Poland 2024, pp. 444 - 455Online Full Text: dx.doi.org/ (Open Access)
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Numerical Calculation of Roll Pass Designs for 3-Roll Rolling MillsIn: AISTech 2024 - Iron and Steel Technology Conference Proceedings / AISTech 2024 Iron and Steel Technology Conference; Columbus, USA; 6 - 9 May 2024 / Association for Iron and Steel Technology (Eds.) 2024, pp. 1436 - 1448Online Full Text: dx.doi.org/
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Methods for Model-Aided In-Line Measurement and Control of Cross-Sections in Wire Rod and Bar MillsIn: AISTech - Iron and Steel Technology Conference Proceedings / AISTech 2023 Iron & Steel Technology Conference, 8-11 May 2023, Detroit, Michigan, USA / Vergot, J. M.; Williams, E. C. (Eds.) 2023, pp. 1735 - 1747Online Full Text: dx.doi.org/
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Numerical assessment of interstand tensions in continuous hot rolling processes of flat and long productsIn: The International Journal of Advanced Manufacturing Technology Vol. 127 (2023) Nr. 9-10, pp. 4677 - 4696Online Full Text: dx.doi.org/ (Open Access)
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Improved method for generation of hot working process maps of metalsIn: Journal of the Chinese Institute of Engineers Vol. 46 (2023) Nr. 6, pp. 580 - 590Online Full Text: dx.doi.org/
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Development of Hot Working Process Maps for Incompressible TRIP Steel and Zirconia Composites Using Crystal Plasticity-Based Numerical SimulationsIn: Metals Vol. 12 (2022) Nr. 12, 2174Online Full Text: dx.doi.org/ (Open Access)
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Data-Driven Roll Pass Design of Wire Rod MillsIn: Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25th International Conference on Material Forming (ESAFORM 2022) / 25th International Conference on Material Forming (ESAFORM 2022), April 27-29, 2022, Portugal / Vincze, Gabriela; Barlat, Frédéric (Eds.) 2022, pp. 589 - 601Online Full Text: dx.doi.org/ (Open Access)
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A Model for Roll-Drawing of Full Sections with Experimental VerificationIn: Achievements and Trends in Material Forming: Peer-reviewed extended papers selected from the 25th International Conference on Material Forming (ESAFORM 2022) / 25th International Conference on Material Forming (ESAFORM 2022), April 27-29, 2022, Portugal / Vincze, Gabriela; Barlat, Frédéric (Eds.) 2022, pp. 481 - 498Online Full Text: dx.doi.org/
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Methods for online measurement and control of section deviations during hot rolling of wire rod and barsIn: 24th International Conference on Material Forming / ESAFORM 2021; Virtual, Online; 14 - 16 April 2021 2021 4195Online Full Text: dx.doi.org/ (Open Access)
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A Fast Computational Model for the Local Stress Distribution and Mechanical and Thermal Work Roll Deformations with Effects on Strip Profile and Flatness During Hot Rolling of Strip in Four-High MillsIn: Forming the Future: Proceedings of the 13th International Conference on the Technology of Plasticity / ICTP 2021; Virtual, Online, 25 July 2021 - 30 July 2021 / Daehn, Glenn; Cao, Jian; Kinsey, Brad; Tekkaya, Erman; Vivek, Anupam; Yoshida, Yoshinori (Eds.) 2021, pp. 2483 - 2496Online Full Text: dx.doi.org/
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A computational method for pass design of the four-roll rolling process for sizing of round sectionsIn: 24th International Conference on Material Forming / ESAFORM 2021; Virtual, Online; 14 - 16 April 2021 2021 3987Online Full Text: dx.doi.org/ (Open Access)
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Analysis of elastic rolling stand deformation and interstand tension effects on section faults of hot rolled wire rod and barsIn: Technisches Messen: tm Vol. 87 (2020) Nr. 5, pp. 343 - 348Online Full Text: dx.doi.org/
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A model for prediction of profile and flatness of hot and cold rolled flat products in four-high millsIn: Proceedings of the 21st International ESAFORM Conference on Material Forming / ESAFORM 2018, Palermo, Italy, 23 April 2018 through 25 April 2018 2018, pp. 040015Online Full Text: dx.doi.org/
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Modelle zum Walzen von Flach- und VollquerschnittenDuisburg, Essen (2018) XXVI, 329 SeitenOnline Full Text (Open Access)
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A refined model for strip profile evolution during hot and cold strip rolling in 4-high rolling millsIn: AISTech 2017: Proceedings of the Iron & Steel Technology Conference / AISTech 2017, 8-11 May 2017, Nashville, Tenn., U.S.A. / Ashburn, Ronald E. (Eds.) 2017, pp. 2281 - 2294
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A fast three-dimensional model for strip rollingIn: Metal forming 2016 / Metal Forming International Conference, September 18-21, 2016, Kraków, Poland / Szeliga, Danuta; Muszka, Krzysztof (Eds.) 2016, pp. 566 - 578Online Full Text: dx.doi.org/
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A Model for Strip Profile and Roll Crown During Flat Rolling in Hot and Cold Mills with Special Emphasis on Innovative Work Roll MaterialsIn: Iron & Steel Technology Vol. 11 (2015)
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Possibilities and limitations of free size rolling with respect to size and temperature variations of different materialsIn: Proceedings of the Iron & Steel Technology Conference / Iron & Steel Technology Conference, 4 - 7 May 2015, Cleveland, Ohio, U.S.A. 2015, pp. 3061 - 3071
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A new rolling model for three-roll rolling millsIn: Metal Forming 2014 / 15th International Conference on Metal Forming 2014, September 21-24, 2014, Palermo, Italy / Micari, Fabrizio; Fratini, Livan (Eds.) 2014, pp. 879Online Full Text: dx.doi.org/
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Keramische Walzenwerkstoffe und Werkzeuge für das Warm- und Kaltwalzen : Ceramic materials for rolls and rolling tools in hot and cold rollingIn: Stahl + Eisen: Magazin für die Herstellung und Verarbeitung von Eisen und Stahl Vol. 134 (2014) Nr. 5, pp. 53 - 60
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Cold rolling of metal foils by means of ceramic work rollsIn: Iron & Steel Technology Vol. 10 (2013) Nr. 2, pp. 97 - 104
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A rolling model for the three-roll rolling processIn: Proceedings of the Iron & Steel Technology Conference / Iron & Steel Technology Conference : 6 - 9 May 2013, Pittsburgh, Pennsylvania, U.S.A. 2013, pp. 1899 - 1911
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Cold rolling of metal foils by means of ceramic work rollsIn: Proceedings of the Iron & Steel Technology Conference / Iron & Steel Technology Conference, 7 - 10 May 2012, Atlanta, Georgia, U.S.A. 2012, pp. 2159 - 2167
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Cold rolling of high-strength stainless steel foils with ceramic SiN work rollsIn: Metal forming 2012: proceedings of the 14th International Conference on Metal Forming / 14th International Conference on Metal Forming, September 16 - 19, 2012, Krakow, Poland / Kusiak, Jan (Eds.) 2012, pp. 67 - 70
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Flexible Groove Sequences for Hot Rolling a Number of MaterialsIn: Proceedings of the Iron & Steel Technology Conference / AISTech 2012, 7-10 May 2012, Atlanta, Ga., USA / Ashburn, Ronald E (Eds.) 2012, pp. 2065 - 2075
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Current state of the art and developments for hot and cold rolling of flat and long productsIn: Proceedings of the 10th International Conference on Steel Rolling / International Conference on Steel Rolling, September 15 - 17, 2010, Beijing, China 2010
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Die Entwicklung der Umformtechnik im Bereich der LangprodukteIn: Stahl + Eisen: Magazin für die Herstellung und Verarbeitung von Eisen und Stahl Vol. 130 (2010) Nr. 69, pp. 24
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Auswirkungen der Mehradrigkeit beim Walzen von Draht auf die Toleranz der FertigquerschnitteIn: Der Kalibreur : Organ d. Arbeitsgemeinschaft Europäischer Kalibreure Vol. 70 (2009) pp. 69 - 82
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Die moderne Elementare Plastizitätstheorie zur Lösung technologischer Aufgabenstellungen beim Warm- und KaltwalzenIn: Umformtechnik im Spannungsfeld zwischen Plastomechanik und Werkstofftechnik / Steinhoff, Kurt (Eds.) 2008, pp. 35 - 52