Associate professor
Contact
Office: T. building, 4th floor, room 48.
Phone: +36/1-463-2641
Calling hours: request it by email
E-mail: geier.norbert
University Education/Work
2025 – Associate professor, BME Department of Manufacturing Science and Engineering
2020 – 2025: Assistant professor, BME Department of Manufacturing Science and Engineering
2016 – 2019: PhD Student, BME Pattantyús-Ábrahám Géza Gépészeti Tudományok Doktori Iskola
2015 – 2016: ERASMUS Student, Technical University of Munich
2014 – 2016: Demonstrator, BME Department of Manufacturing Science and Engineering
2014 – 2016: BME Mechanical Engineer M.Sc., Manufacturing specialisation
2013: R&D trainee, CLAAS Hungaria Kft.
2010 – 2014: BME Mechanical Engineer BSc, Manufacturing specialisation
Certificate of Merit/ Scientific degrees
2019 PhD in Mechanical Engineering
Prizes, acknowledgements and scholarships
2024 University Research Scholarship Program (EKÖP) Scholarship (1 year)
2023 UNKP scholarship (12 months)
2023 Academic Youth Award
2022 UNKP scholarship (12 months)
2022 MTA János Bolyai scholarship (3 years)
2019 UNKP scholarship (5 months)
2019 Campus Mundi scholarship to the UK (University of Sheffield)
2018 Campus Mundi scholarship to Portugal (University of Aveiro)
2017 Pro Scientia Gold medal
2017 1. Prize at the National Conference of Scientific Students’ Associations (OTDK)
2015 ERASMUS scholarship to Germany (Technical University of Munich)
2015 1. Prize at the National Conference of Scientific Students’ Associations (OTDK)
Research interests and activities
CAD/CAM applications, CNC programming
Machinability analysis of carbon fibre reinforced polymer (CFRP) composites
Design of experiments (DOE) and analysis, Analysis of variance (ANOVA)
Projects led and involved
2025-2027: Predicting the residual strength of machined aerospace composites through the exploitation of the three-dimensional drilling-induced delamination factor (bilateral scientific project between China and Hungary (TéT), project leader)
2022-2025: Interlayer burr minimisation in machined Ti/CFRP sandwich stacks using advanced drilling strategies (bilateral scientific project between China and Hungary (TéT), project leader)
2022-2024: Comparative machinability analysis of conventional thermoset and sustainable polymer-based carbon fibre reinforced aerospace composites (bilateral scientific project between USA and Hungary (TéT), project leader)
2022-2025: Comparative machinability analysis of recycled and conventional CFRP composites (bilateral scientific project between China and Hungary (TéT), project leader)
2020-2025: BME Milab (The Artificial Intelligence National Laboratory, involved)
2020-2023: Chip removal mechanisms in drilling of CFRP composites (OTKA PD, project leader)
2019-2022: Machinability analysis of FRP composites (bilateral scientific project between Portugal and Hungary (TéT), involved)
2018-2025: Centre of Excellence in Production Informatics and Control (Horizon 2020 teaming, involved)
Publication activity
Important peer-reviewed journal publications:
A. Toldy, D.I. Poór, N. Geier, Á. Pomázi: Recent advances and challenges in the mechanical and chemical recycling of vitrimers and fibre-reinforced vitrimer composites: A review. Composites Part B 306 112760. (2025)
J. Xu, J. Shen, N. Geier, J.P. Davim, M. Chen: Numerical study addressing the CER effect on microscopic chip removal mechanisms of CFRPs via the orthogonal cutting. Composites Part B XXX 112745. (2025)
A. Toldy, D. I. Poór, B. Szolnoki, N. Geier, Á. Pomázi: Synergistic flame retardancy of carbon fibre-reinforced polyimine vitrimer composites via vitrimer-based intumescent coating. Composites Part A 198 109135. (2025)
Sz. Seprős, B. Markó, N. Geier: Modelling of tool wear incorporating various feeds in micro-drilling of carbon fibre-reinforced polymer (CFRP) composites. Wear 574–575, 206086. (2025)
T.S. Tima, N. Geier: Machining-Induced Burr Suppression in Edge Trimming of Carbon Fibre-Reinforced Polymer (CFRP) Composites by Tool Tilting. J. Manuf. Mater. Process 8(6), 247. (2024)
N. Geier, G. Magyar, J. Giner, T. Lukács, Gy. Póka: Carbon fibre detection in polymer composites reinforced by chopped carbon fibres through digital image processing and machine learning. Journal of Composite Materials 58(21) pp. 2379–2395. (2024)
Á. Pomázi, D. I. Poór, N. Geier, A. Toldy: Optimising Recycling Processes for Polyimine-Based Vitrimer Carbon Fibre-Reinforced Composites: A Comparative Study on Reinforcement Recovery and Material Properties. Materials 17(10) 2372 (2024)
N. Geier, D.I. Poór: A comparative machinability analysis of aged and freshly manufactured epoxy resins through orthogonal machining experiments. International Journal of Advanced Manufacturing Technology 133 pp. 1585–1596. (2024)
D.I. Poór, M. Tobey, P. Taynton, Á. Pomázi, A. Toldy, N. Geier: A comparative machinability analysis of polyimine vitrimer, epoxy and polycarbonate polymers through orthogonal machining experiments. International Journal of Advanced Manufacturing Technology 131 pp. 1361–1376. (2024)
A. Toldy, D.I. Poór, B. Szolnoki, B. Devecser, N. Geier, Á. Pomázi: Comparative study of flame retardancy in polyimine vitrimers and composites: evaluating additive and reactive flame retardants acting via gas-, solid-, and combined-phase mechanisms. Journal of Materials Science & Technology 196 pp. 101-111 (2024)
N. Geier, J. Xu, D.I. Poór, J.H. Dege, J.P. Davim: A review on advanced cutting tools and technologies for edge trimming of carbon fibre reinforced polymer (CFRP) composites. Composites Part B 266 111037. (2023)
J. Xu, N. Geier, J Shen, V Krishnaraj, S Samsudeensadham: A review on CFRP drilling: fundamental mechanisms, damage issues, and approaches toward high-quality drilling. Journal of Materials Research and Technology 24 pp. 9677-9707. (2023)
G. Magyar, N. Geier: Analysis and modelling of thrust force in drilling of basalt and carbon fibre reinforced polymer (BFRP and CFRP) composites. Journal of the Brazilian Society of Mechanical Sciences and Engineering 45:323 (2023)
N. Geier: An experimental study on the drilling of CFRP sandwich structures with filled and unfilled aramid honeycomb cores. Journal of the Brazilian Society of Mechanical Sciences and Engineering 45:219 (2023)
N. Geier, K. Patra, R. S. Anand, S. Ashworth, B. Z. Balázs, T. Lukács, G. Magyar, P. Tamás-Bényei, J. Xu, J. P. Davim: A critical review on mechanical micro-drilling of glass and carbon fibre reinforced polymer (GFRP and CFRP) composites. Composites Part B 254 110589. (2023)
T. Lukács, Cs. Pereszlai, N. Geier: Delamination measurement in glass fibre reinforced polymer (GFRP) composite based on image differencing. Composites Part B 248 110381. (2023)
J. Xu, L. Li, N. Geier, J.P. Davim, M. Chen: Experimental study of drilling behaviors and damage issues for woven GFRP composites using special drills. Journal of Materials Research and Technology 21 pp. 1256-1273. (2022)
G. Magyar, D. Károly, J. Xu, N. Geier: Analysis of drilling-induced geometrical damages in basalt and carbon fibre reinforced polymer (BFRP and CFRP) composites. International Journal of Advanced Manufacturing Technology 123 pp. 357-372. (2022)
N. Geier, Gy. Póka, Á. Jacsó, Cs. Pereszlai: A method to predict drilling-induced burr occurrence in chopped carbon fibre reinforced polymer (CFRP) composites based on digital image processing. Composites Part B 242 110054. (2022)
J. Xu, Y. Yin, J.P. Davim, L. Li, M. Ji, N. Geier, M. Chen: A critical review addressing the drilling-induced damage issues for CFRP composites. Composite Structures 115594. (2022)
N. Geier, D.I. Poór, Cs. Pereszlai, P. Tamás-Bényei, J. Xu: A drilling case study in polymer composites reinforced by virgin and recycled carbon fibres (CFRP and rCFRP) to analyse thrust force and torque. International Journal of Advanced Manufacturing Technology 120 pp. 1433-3015. (2022)
N. Geier, D.I. Poór, Cs. Pereszlai, P. Tamás-Bényei: Drilling of recycled carbon fibre–reinforced polymer (rCFRP) composites: Analysis of burrs and microstructure. International Journal of Advanced Manufacturing Technology 120 pp. 1677-1693. (2022)
J. Xu, T. Lin, L. Li, M. Ji, J.P. Davim, N. Geier, M. Chen: Numerical study of interface damage formation mechanisms in machining CFRP/Ti6Al4V stacks under different cutting sequence strategies. Composite Structures 115236. (2022)
M. Ji, J. Xu, L. Li, D. Yu, M. Chen, N. Geier, M. El Mansori: Investigation of material removal mechanisms and ductile-brittle transition zone of zirconia ceramics sintered at various temperatures. Journal of the Mechanical Behavior of Biomedical Materials 125 104944. (2022)
D.I. Poór, N. Geier, Cs. Pereszlai, J. Xu: A critical review of the drilling of CFRP composites: Burr formation, characterisation and challenges. Composites Part B 223 109155. (2021)
Cs. Pereszlai, N. Geier, D.I. Poór, B.Z. Balázs, Gy. Póka: Drilling fibre reinforced polymer composites (CFRP and GFRP): An analysis of the cutting force of the tilted helical milling process. Composite Structures 262 113646. (2021)
B.Z. Balázs, N. Geier, M. Takács, J.P. Davim: A review on micro-milling: recent advances and future trends. International Journal of Advanced Manufacturing Technology 112 pp. 665-684. (2021)
N. Geier: Influence of fibre orientation on cutting force in up and down milling of UD-CFRP composites. International Journal of Advanced Manufacturing Technology 111 pp. 881-893. (2020)
Cs. Pereszlai, N. Geier: Comparative analysis of wobble milling, helical milling and conventional drilling of CFRPs. International Journal of Advanced Manufacturing Technology 106(9) pp. 3913-3930. (2020)
N. Geier, J.P. Davim, T. Szalay: Advanced cutting tools and technologies for drilling carbon fibre reinforced polymer (CFRP) composites: a review. Composites Part A 125C 105552. (2019)
N. Geier, T. Szalay, M Takács: Analysis of thrust force and characteristics of uncut fibres at non-conventional oriented drilling of unidirectional carbon fibre-reinforced plastic (UD-CFRP) composite laminates. International Journal of Advanced Manufacturing Technology 100 pp. 3139–3154. (2019)
N. Geier, T. Szalay: Optimisation of process parameters for the orbital and conventional drilling of uni-directional carbon fibre-reinforced polymers (UD-CFRP). Measurement 110 pp. 319-334. (2017)
The whole publication list can be found here: ResearchGate, Google Scholar, MTMT
Teaching activity
Manufacturing (B.Sc.)
CAD/CAM applications (B.Sc.)
NC technology and programming (B.Sc.)
CAD/CAM systems (M.Sc.)
Cutting Processes (M.Sc.)
Projekt A and B (M.Sc.)
Language skills
German B2 level
English B2 level
Hungarian mother tongue
Proposed topics
CAD/CAM applications and manufacturing planning (B.Sc.)
Machinability analysis of CFRP composites (M.Sc., TDK)
Computer-aided CNC programming (B.Sc., M.Sc., TDK)