Research area and keywords of research:
Optimization of additive manufacturing processes, development of technical and medical applications by means of experimental and numerical investigation
Name of the researcher(s) and research group:
- dr. Gergely Dezső (senior),
- Péter Kósa (assistant)
- Attila Sipos (assistant)
Name of the Institute:
University of Nyíregyháza, Institute of Engineering and Agricultural Sciences
Research objectives:
Optimization of production parameters of additive manufacturing methods for dimension accuracy, mechanical material parameters or structure, based on experimental and numerical investigation.
Description and results of research:
Previous research results demonstrated for PolyJet technology how anisotropy of additive manufacturing technology influence size and shape accuracy of workpieces. Impact energy absorption of standard specimen was measured in case of different manufacturing orientation.
In case of fused deposition method layer thickness of parts fabricated by an extrusion method was studied.
Our team is involved in a consortial research project of 2 industrial company and 2 university. Objective of this project is to study osteosynthesis of medical implants with trabecular structure manufactured by metal additive manufacturing methods, especially selective laser melting (SLM). Our task is experimental investigation of manufactured parts and numerical analysis of possible solutions.
International links:
We have potential research partners in Central Europe.
Research partners from other institutions:
- Varinex Informatics Inc.
- University of Debrecen, Biomechanical Laboratory
Other information:
At University of Nyíregyháza following laboratories are in tight cooperation regarding our research activity: Additive Manufacturing Laboratory, Material Test Laboratory (acredited), Electron Microscope Laboratory.
Publications (max. 5):
- G. Dezső, G. Dezső jr. : Study on microstructure and layer thickness of a model manufactured by fused deposition method, XXIV. International Scientific Conference of Young Engineers 2019. március 28-29., Kolozsvár, Romania.
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G. Dezső jr. , G. Dezső : Examination of layer thicknesses of a model produced by fused filament extrusion, ACTA MATERIALIA TRANSYLVANICA (EN) 2 : 1 pp. 13-18., 6 p. (2019)
- Dezső, Gergely ; Szigeti, Ferenc ; Kósa, Péter: A gyártási orientáció hatása az anyag húzással szembeni ellenállására additív gyártással készített alkatrészek esetén, Műszaki Tudomány az Észak-Kelet Magyarországi Régióban 2017, Debrecen, Magyarország Debreceni Akadémiai Bizottság Műszaki Szakbizottsága, (2017) pp. 68-73., 6 p.
- Dezső, Gergely : Research and application experiences on additive manufacturing (plenary lecture), In: Bitay, Enikő (szerk.) A XXII. Fiatal Műszakiak Tudományos Ülésszaka előadásai, Kolozsvár, Románia: Erdélyi Múzeum-Egyesület (EME), Óbudai Egyetem, (2017) pp. 43-49., 7 p.
- Dezső, Gergely ; Kósa, Péter ; Százvai, Attila: Additív gyártás pontosságának vizsgálata: Study on accuracy of additive manufacturing. Műszaki Tudomány az Észak-kelet Magyarországi Régióban, 2012 Szolnok, 2012. május 10, MTA Debreceni Akadémiai Bizottság, (2012) pp. 147-152., 6 p.