Horst Complex

dr.ir. K. Goulas (Constantinos)

Associate Professor
ET-DPM-AMSPES
Horst Complex W251
k.goulas@utwente.nl
+31534898051
Business card

Dr.ir. Constantinos Goulas is a Senior Assistant Professor at the University of Twente's Faculty of Engineering Technology, appointed under the Sector Plan Techniek with focus area Multi-Material Additive Manufacturing. He is also Team Leader for Additive Manufacturing at the Fraunhofer Innovation Platform for Advanced Manufacturing at the University of Twente. A metallurgical engineer and materials scientist by training, he works at the interface of physical metallurgy, advanced manufacturing, and industrial qualification, on the conviction that manufacturing is not a final processing step but a design space in which new materials, microstructures, and component functionalities are created. His research spans the full chain from alloy design to qualified component, organised around three lines: high-tech and precision manufacturing, materials for defence and security, and materials for nuclear and other regulated high-performance systems. He also contributes materials science and characterisation expertise to 3D bioprinting research.

Dr. Goulas holds a PhD in Materials Science and Engineering from Delft University of Technology and a Diploma (MSc) in Mining and Metallurgical Engineering from the National Technical University of Athens. He has also studied General Management at the Rotterdam School of Management, Erasmus University Rotterdam. During his postdoctoral work at TU Delft he contributed to the development of multi-material wire and arc additive manufacturing, and he brings extensive experience in research and development, technology start-ups, and engineering consultancy. He is Principal Investigator and coordinator of AAM-BPC, an NWO-KIC programme on alloys for additively manufactured ballistic protection co-funded by the Netherlands Ministry of Defence; project leader of the TKI-HTSM programme AM-UPPER on ultra-performance piston rings; and Deputy Leader of the NWA-ORC programme ADD-reAM. He previously led two work packages and acted as scientific coordinator of the Horizon 2020 programme Grade2XL, which closed successfully in 2024.

His international research experience includes atomic-scale studies of bainite at the Max Planck Institute for Iron Research in Düsseldorf, fatigue behaviour of bainitic spring steels at the Colorado School of Mines, and research stays at Ghent University and Tecnológico de Monterrey. He serves on the International Institute of Welding technical commissions for Additive Manufacturing and Arc Welding, received the David Landon IIW Future Leaders award in 2024.

Dr. Goulas is the lead lecturer for Materials Science 1 in the BSc Mechanical Engineering programme, teaching 320 to 400 students annually, and teaches Materials and Manufacturing Processes and 3D Printing: Processes and Use. He co-developed the challenge-based Product Design and Development minor and is a member of the programme renewal committee for the materials and manufacturing learning line. He has been nominated for Best Lecturer of the Faculty in 2022 and 2025. He also serves as a Board Member of the Authentia Foundation, a network of greeks trained in Academia.

Expertise

  • Material Science

    • Austenite
    • Three Dimensional Printing
    • Mechanical Property
    • Ferrite
    • Heat Treatment
    • Alloy
    • Medium-Carbon Steels
    • Directed Energy Deposition

Organisations

Publications

2026

Additive manufacturing of architected structures for thermal signature reduction in multifunctional stealth armored vehicles: A comparative study with conventional camouflage netting (2026)Defence Technology (E-pub ahead of print/First online). Tsirogiannis, E. C., Tzimtzimis, E., Goulas, C., Spitas, V., Katsiotis, N., Gibson, I., Kolovos, K. G. & Tzetzis, D.https://doi.org/10.1016/j.dt.2026.07.031Mechanical and microstructural characterisation of thin-walled SS316L structures fabricated by wire-based laser metal deposition (2026)Thin-Walled Structures, 230(Part A). Article 115108 (E-pub ahead of print/First online). Ghasempour-Mouziraji, M., Gibson, I., de Sousa, R. A., Afonso, D. & Goulas, C.https://doi.org/10.1016/j.tws.2026.115108WAAM-based repair cladding for forging tools: a comprehensive study of wear in laboratory and industrial conditions (2026)Archives of civil and mechanical engineering, 26(2). Article 84. Widomski, P., Kaszuba, M., Zwierzchowski, M., Goulas, C., Bos, M. & Hermans, M.https://doi.org/10.1007/s43452-026-01461-1

2025

Enhanced cracking resistance and deposition of alloy 36 via accelerated cooling and TiC addition during wire arc additive manufacturing (2025)Virtual and Physical Prototyping, 20(1). Article e2469827. Sood, A., Bosman, M., Huizenga, R., Goulas, C., Popovich, V. & Hermans, M. J. M.https://doi.org/10.1080/17452759.2025.2469827Enhancing microstructural analysis: Best practices for preparing duplex stainless steel welds and additive manufacturing deposits (2025)Welding in the world (E-pub ahead of print/First online). Westin, E. M., Jonsson, J. Y., Riffel, K. C., Bos, M. M., Goulas, C. & Ramirez, A. J.https://doi.org/10.1007/s40194-025-02286-xDynamic Modeling of a Magnetic Video Capsule for Enhanced Navigation in the Gastrointestinal Tract (2025)[Contribution to conference › Paper] 47th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2025. Bester, E. V., Chen, W., Kobus van der Mijle Meijer, J., Ligtenberg, L.-J. W., Mulder , I., Liefers, H. R., Goulas, C., Wasserberg, D., Jonkheijm, P., Warlé, M., Mersha, A. Y., Braat, H. & Khalil, I. S. M.https://doi.org/10.1109/EMBC58623.2025.11253554Author Correction: Ex vivo validation of magnetically actuated intravascular untethered robots in a clinical setting: Ex vivo validation of magnetically actuated intravascular untethered robots in a clinical setting (Communications Engineering, (2024), 3, 1, (68), 10.1038/s44172-024-00215-2) (2025)Communications Engineering, 4. Article 16. Ligtenberg, L.-J. W., Rabou, N. C. A., Goulas, C., Duinmeijer, W. C., Halfwerk, F. R., Arens, J., Lomme, R., Magdanz, V., Klingner, A., Rot, E. A. M. K., Nijland, C. H. E., Wasserberg, D., Liefers, H. R., Jonkheijm, P., Susarrey-Arce, A., Warlé, M. & Khalil, I. S. M.https://doi.org/10.1038/s44172-025-00353-1Functional Behavior of NiTi Shape Memory Alloy Fabricated by Laser Metal Deposition (2025)Shape Memory and Superelasticity, 11(4), 762-770. Biffi, C. A., Fiocchi, J., Tuissi, A., Schildkamp, R., Goulas, C. & Mehrpouya, M.https://doi.org/10.1007/s40830-025-00586-1Formation of equiaxed grains in pure iron during laser powder bed fusion (2025)Journal of Materials Research and Technology, 39, 7325-7334. Zafari, A., Marzban Shirkharkolaei, E., Lui, E. W., Goulas, C., Jafari, D. & Gibson, I.https://doi.org/10.1016/j.jmrt.2025.11.050Non-Buoyant Microrobots Swimming with Near-Zero Angle of Attack (2025)In 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2025) (pp. 16267-16272). IEEE. Ligtenberg, L.-J. W., De Jongh, L., van der Kooij, J., Paul, A., Li, C., Goulas, C., Mohanty, S. & Khalil, I. S. M.https://doi.org/10.1109/IROS60139.2025.11246126

Research profiles

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