Persönliches

seit 07.2014
Wissenschaftlicher Mitarbeiter am Institut für Metall- und Leichtbau der Universität Duisburg-Essen

Veröffentlichungen

Jahr 2024

• Azizi, E., Afzali, N., Stranghöner, N.,
  Numerical and Experimental Investigations on Cylindrical Shells Subjected to External Pressure, Nordic Steel Construction Conference (NSCC 2024), The Swedish Institute of Steel Construction, 26-28 June 2024, Luleå, Sweden, DOI: https://doi.org/10.5281/zenodo.12362077


• Afzali, N., Stranghöner, N., Langenberg, P.,
  Low Temperature Fracture Behaviour of Nickel Alloy Steel 1.5662, ISOPE-2024 Rhodes Conference, The 34th International Ocean and Polar Engineering Conference, Rhodes, Greece, p. 3110-3115, 16-21 June 2024, ISBN 978-1-880653-78-4 .


• Afzali, N., Jabour, G., Stranghöner, N., Langenberg, P.
  An investigation into the correlation between fracture toughness and charpy impact test for duplex stainless steels, International Journal of Offshore and Polar Engineering, Vol. 34, No. 1, March 2024, pp. 11–18, DOI: https://doi.org/10.17736/ijope.2024.jc926
   
• Afzali, N., Jabour, G., Stranghöner, N., Langenberg, P.
  A comparative study into the fracture toughness properties of duplex stainless steels, Journal of Constructional Steel Research, 212, January 2024, 108283, DOI: https://doi.org/10.1016/j.jcsr.2023.108283

Jahr 2023

• Afzali, N., Jabour, G., Stranghöner, N., Langenberg, P.
  Influence of the plate thickness on fracture and impact toughness of duplex stainless steels, Proceedings of Eurosteel 2023 Conference, Amsterdam, Netherlands, ce/papers 6 (2023), Issue 3-4, p. 607-613, 12-14 September 2023, DOI: https://doi.org/10.1002/cepa.2597


• Afzali, N., Jabour, G., Stranghöner, N., Langenberg, P.
  Correlation Between Fracture Toughness and Charpy-V Impact Data of Duplex Stainless Steels, The 33rd International Ocean and Polar Engineering Conference, Ottawa, Canada, June 2023.


• Stranghöner, N., Azizi, E., Afzali, N., Ummenhofer, T., Ruff, D., Mott, M.,
  Tragverhalten axial- und ringversteifter Tank- und Silobehälter aus hochfesten (Duplex-)Stählen und kaltzähen Druckbehälterstählen, Vortragsveranstaltung HOCHFEST, Hochfester Stahl im Stahl- und Anlagenbau, Neues aus der Forschung, FOSTA, Haus der Technik, Essen, 16.-17. Mai 2023.

Jahr 2022

• Afzali, N., Jabour, G., Stranghöner, N., Langenberg, P.
  Experimental investigations into the fracture toughness properties of duplex steels, Stainless Steel in Structures – Sixth International Experts Seminar, London, United Kingdom, 20-21 September 2022

• Stranghöner, N., Jungbluth, D., Abraham, C., Afzali, N.
  International standardization of bolted connections made of stainless steel, Proceedings of Connections IX – 9th International Workshop on Connections in Steel Structures, Coimbra, Portugal, 6-8 June 2022, 1st Edition 2022, ECCS, p. 25-35

• Kosky, T., Zillinger, W., Shahnazian, A., Ay, Y., Stranghöner, N., Afzali, N., Makevičius, L., Ungermann, D., Kalameya, J.
  Einsatz von Zwillingsträgerhilfsbrücken im Zuge einer Notmaßnahme zur Querung der BAB 40, Stahlbau 91 (2022), Heft 2, S. 72-83
  Abstract

Jahr 2021

• Afzali, N.
  Slip-Resistant Connections Made of Carbon and Stainless Steel, Dissertation, Schriftenreihe Institut für Metall- und Leichtbau, Universität Duisburg-Essen, Band 8, Shaker Verlag, Aachen, 2021
  DuE-Publico, Shaker-Verlag

Jahr 2020

• Stranghöner, N., Jungbluth, D., Afzali, N., Abraham, C.
  Vorgespannte Schraubverbindungen aus nichtrostendem Stahl, Stahlbau 89 (2020), Heft 4, S. 326-338, DOI: 10.1002/stab.202000004

Jahr 2019

• Afzali, N., Abraham, C., Stranghöner, N.
  Comparative numerical investigations into the determination of slip factors according to the EN 1090–2 and RCSC, Proceedings of Nordic Steel 2019 Conference, Copenhagen, Denmark, ce/papers 3 (2019), Issue 3-4, p. 385–390
  Abstract

• Stranghöner, N., Jungbluth, D., Afzali, N.
  Ausführung (nicht) standardisierter Verschraubungen im Stahlbau, in: Stahlbau Kalender 2019, S. 225-264, Hrsg.: Kuhlmann, U., Verlag: Ernst & Sohn GmbH & Co. KG, Berlin, 2019

Jahr 2018

• Stranghöner, N., Afzali, N., Jungbluth, D., Abraham, C., Veljkovic, M., Bijlaard, F., Gresnigt, N., de Vries, P., Kolstein, H., Nijgh, M., Schedin, E., Pilhagen, J., Jakobsen, E., Söderman, A., Glienke, R., Ebert, A., Baddoo, N., Chen, A., Hradil, P., Talja, A., Rantala, J., Auerkari, P., Säynäjäkangas, J., Manninen, T., Rudolf, A., Berger, S., Cook, M., Taylor, M., Huckshold, M.
  Execution and reliability of slip resistant connections for steel structures using CS and SS, RFCS Research project SIROCO (RFSR-CT-2014-00024), Final Report, 10 July 2018

• Afzali, N., Stranghöner, N., Pilhagen, J., Manninen T., Schedin, E.
  Viscoplastic deformation behaviour of preloaded stainless steel connections, Journal of Constructional Steel Research 152 (2019) 225–234
  Abstract

• Stranghöner, N., Afzali, N., de Vries, P., Schedin, E., Pilhagen, J.
  Slip factors for slip-resistant connections made of stainless steel, Journal of Constructional Steel Research 152 (2019) 235–245
  Abstract

• Stranghöner, N., Afzali, N.
  Slip-resistant connections made of hot-dip galvanized steel – The EU SIROCO Project, The 25th International Galvanizing Conference, Berlin, Germany, 18-20 June 2018, p. 87-100

• Jungbluth, D., Stranghöner, N., Abraham, C., Afzali, N.
  Preloading of Stainless Steel Bolting Assemblies, 28th International Ocean and Polar Engineering Conference, ISOPE, Sapporo, Japan, 10-15 June 2018, Volume IV, p. 354-362

• Afzali, N., Stranghöner, N.
  Tragverhalten von gleitfesten Verbindungen aus nichtrostendem Stahl, 21. DASt-Forschungskolloquium, Deutscher Ausschuß für Stahlbau, Kaiserslautern, 6.-7. März 2018, S. 70-75

Jahr 2017

• Stranghöner, N., Afzali, N., de Vries, P., Schedin, E., Pilhagen, J.
  Slip-resistant bolted connections of stainless steel, Steel Construction 10 (2017), Issue 4, p. 333-343
  Abstract

• Afzali, N., Pilhagen, J., Manninen T., Schedin, E., Stranghöner, N.
  Preload losses in stainless steel bolting assemblies, Steel Construction 10 (2017), Issue 4, p. 310-318
  Abstract

• Stranghöner, N., Afzali, N., de Vries, P., Glienke, R., Ebert, A.
  Optimization of the test procedure for slip factor tests according to EN 1090-2, Steel Construction 10 (2017), Issue 4, p. 267-281
  Abstract

• Afzali, N., Pilhagen, J., Manninen, T., Schedin, E., Stranghöner, N.
  Creep and Relaxation Behaviour of Stainless Steel Bolted Assemblies, Fifth International Experts Seminar, Stainless Steel in Structures, Organised by The Steel Construction Institute (SCI), London, UK, 18-19 September 2017

• Stranghöner, N., Afzali, N., de Vries, P., Schedin, E., Pilhagen, J.
  Behaviour of Slip-resistant Stainless Steel Bolted Connections, Fifth International Experts Seminar, Stainless Steel in Structures, Organised by The Steel Construction Institute (SCI), London, UK, 18-19 September 2017

• Stranghöner, N., Jungbluth, D., Afzali, N., Lorenz, C.
  Einblick in das Vorspannverhalten von geschraubten Verbindungen aus nichtrostendem Stahl, Stahlbau 86 (2017), Heft 4, S. 302-314
  Abstract

Jahr 2016

• Afzali, N., Berg, J., Stranghöner, N.,
  Influence of Different Preload Levels and Faying Surfaces on the Slip-Resistant Behaviour of Bolted Connections, 26th International Ocean and Polar Engineering Conference, ISOPE, Rhodes, Greece, 26 June - 1 July 2016, p. 233-240

• Stranghöner, N., Afzali, N., Berg, J., de Vries, P.,
  Recent Investigations into the Slip Factor of Slip-Resistant Connections, Connections VIII, Eighth International Workshop on Connections in Steel Structures, Boston, USA, 24-26 May 2016

Jahr 2015

• Stranghöner, N., Afzali, N., Berg, J.,
  Gleitfeste Verbindungen im Turm- und Mastbau - Prüfung und Beschichtung, Stahlbau 84 (2015), Heft 12, S. 966-979
• doi: 10.1002/stab.201510337

• Stranghöner, N., Afzali, N., Berg, J., Schiborr, M., Bijlaard, F., Gresnigt, N., de Vries, P., Glienke, R., Ebert, A.,
  Influence of different testing criteria on the slip factor of slip-resistant connections, Proceedings of the 13th Nordic Steel Construction Conference, Tampere, Finland, September 23th - 25th, 2015

• Stranghöner, N., Afzali, N., Berg, J., Schiborr, M., Rudolf, A., Berger, S.,
  Different coating systems for the application in slip-resistant connections, Proceedings of the 13th Nordic Steel Construction Conference, Tampere, Finland, September 23th - 25th, 2015

Jahr 2014

• Schiborr, M., Berg, J., Afzali, N., Stranghöner, N.,
  Bestimmung der Haftreibungszahl gleitfester Verbindungen - Auswirkungen unterschiedlicher Handhabungen der Regelwerke, 19. DASt-Kolloquium, Deutscher Ausschuß für Stahlbau, Hannover, 27.-28. Oktober 2014, S.120-125