M.Sc. Ramin Hajavifard

12) Hajavifard, R.; Afzal, M.J.; Rozo Vasquez, J.; Buhl, J.; Walther, F.:
Tailoring the surface integrity of disc springs for stabilization of residual stresses by incremental sheet forming.
M2D2022, Proceedings of the 9th International Conference on Mechanics and Materials in Design (2022) 259-266.

11) Hajavifard, R.; Afzal, M. J.; Möhring, K.; Buhl, J.; Walther, F.:
Gezielte Einbringung von Eigenspannungen durch inkrementelle Blechumformung zur Verbesserung der Leistungsfähigkeit austenitischer Tellerfedern.
Ilmenauer Federntag 2021 Tagungsband, Verlag ISLE, ISBN 978-3-948595-05-0 (2021) 101-110.

10) Baak, N.; Hajavifard, R.; Lücker, L.; Rozo Vasquez, J.; Strodick, S.; Teschke, M.; Walther, F.:
Micromagnetic approaches for microstructure analysis and capability assessment.
Materials Characterization 178, 111189 (2021) 1-14. https://doi.org/10.1016/j.matchar.2021.111189

9) Hajavifard, R.; Afzal, M. J.; Möhring, K.; Buhl, J.; Walther, F.:
Characterisation of phase transformation and induced residual stresses in incrementally formed disc springs : an experimental and numerical study.
4. Symposium Materialtechnik, (2021) 1-15. https://doi.org/10.21268/20210518-0 - Download

8) Afzal, M. J.; Hajavifard, R.; Buhl, J.; Walther, F.; Bambach, M.:
Influence of process parameters on the residual stress state and properties in disc springs made by incremental sheet forming (ISF).
Forschung im Ingenieurwesen, (2021) 1-11. https://doi.org/10.1007/s10010-021-00491-w - Download

7) Maqbool, F.; Maaß, F.; Buhl, J.; Hahn, M.; Hajavifard, R.; Walther, F.; Tekkaya, A.E.; Bambach, M.:
Targeted residual stress generation in single and two point incremental sheet forming (ISF).
Archive of Applied Mechanics, (2021) 1-23. https://doi.org/10.1007/s00419-021-01935-z - Download

6) Hajavifard, R.; Maqbool, F.; Bambach, M.; Walther, F.:
Experimental and numerical studies on the use of incremental sheet forming to improve the austenitic disc spring characteristics through tailoring their microstructure and residual stress properties.
IRF 2020, Proceedings of the 7th International Conference on Integrity-Reliability-Failure, (2020) 247-258.

5) Afzal, M. J.; Maqbool, F.; Hajavifard, R.; Buhl, J.; Walther, F.; Bambach, M.:
Modeling the residual stresses induced in the metastable austenitic stainless steel disc springs manufactured by incremental sheet forming by a combined hardening model with phase transformation.
Procedia Manufacturing 47 (2020) 1410-1415. https://doi.org/10.1016/j.promfg.2020.04.300

4) Hajavifard, R.; Maqbool, F.; Schmiedt-Kalenborn, A.; Buhl, J.; Bambach, M.; Walther, F.:
Integrated forming and surface engineering of disc springs by inducing residual stresses by incremental sheet forming.
Materials 12 (10), 1646 (2019) 1-19. https://doi.org/10.3390/ma12101646 - Download

3) Maqbool, F.; Hajavifard, R.; Walther, F.; Bambach, M.:
Engineering the residual stress state of the metastable austenitic stainless steel (MASS) disc springs by incremental sheet forming (ISF).
Production Engineering Research and Development 13 (2019) 139-148. https://doi.org/10.1007/s11740-018-0864-6

2) Maqbool, F.; Hajavifard, R.; Walther, F.; Bambach, M.:
Experimental investigation and finite element modelling of residual stress control in disc springs made of metastable austenitic stainless steel (MASS) using incremental sheet forming (ISF).
Procedia Manufacturing 29 (2019) 12-20. https://doi.org/10.1016/j.promfg.2019.02.099

1) Awd, M.; Siddique, S.; Hajavifard, R.; Walther, F.:
Comparative study of defect-based and plastic damage-based approaches for fatigue lifetime calculation of selective laser-melted AlSi12.
FFW 2018, Proceedings of the 7th International Conference on Fracture Fatigue and Wear (2018) 297-313. https://doi.org/10.1007/978-981-13-0411-8_27

List of all publications

9) Hajavifard, R. (Sp.); Afzal, M.J.; Rozo Vasquez, J.; Buhl, J.; Walther, F.:
Tailoring the surface integrity of disc springs for stabilization of residual stresses by incremental sheet forming.
M2D2022 - 9th International Conference on Mechanics and Materials in Design, Funchal, Madeira, Portugal, 26.-30. June (2022).

8) Hajavifard, R. (Sp.); Afzal, M. J.; Möhring, K.; Buhl, J.; Walther, F.:
Gezielte Einbringung von Eigenspannungen durch inkrementelle Blechumformung zur Verbesserung der Leistungsfähigkeit austenitischer Tellerfedern.
6. Ilmenauer Federntag, Ilmenau, 07. Okt. (2021).

7) Hajavifard, R. (Sp.); Afzal, M. J.; Möhring, K.; Buhl, J.; Walther, F.:
Characterisation of phase transformation and induced residual stresses in incrementally formed disc springs - an experimental and numerical study.
4. Symposium Materialtechnik des Clausthaler Zentrums für Materialtechnik, Web-Konferenz, 25.-26. Febr. (2021).

6) Afzal, M. J. (Sp.); Maqbool, F.; Hajavifard, R.; Buhl, J.; Walther, F.; Bambach, M.:
Modeling the residual stresses induced in the metastable austenitic stainless steel disc springs manufactured by incremental sheet forming by a combined hardening model with phase transformation.
ESAFORM 2020, 23rd International Conference on Material Forming, Cottbus, Germany, 04.-08. May (2020).

5) Awd, M. (Sp.); Hajavifard, R.; Patsch, C.; Walther, F.:
Enhancing competence in materials testing education using digital methods.
The First Digital Learning Day, TU Dortmund University, Dortmund, 27. Nov. (2019).

4) Hajavifard, R. (Sp.); Maqbool, F.; Bambach, M.; Walther, F.:
Property improvement of austenitic disc springs through targeted adjustment of residual stresses by means of incremental sheet forming.
COMPLAS 2019, 15th International Conference on Computational Plasticity, Barcelona, Spain, 03.-05. Sept. (2019).

3) Maqbool, F. (Sp.); Hajavifard, R.; Walther, F.; Bambach, M.:
Experimental investigation and finite element modelling of residual stress control in disc springs made of metastable austenitic stainless steel (MASS) using incremental sheet forming (ISF).
SHEMET 2019, 18th International Conference on Sheet Metal, Leuven, Belgium, 15.-18. Apr. (2019).

2) Hajavifard, R. (Sp.); Maqbool, F.; Bambach, M.; Walther, F.:
Process-integrated residual stress induction on disc springs by means of incremental sheet metal forming technique.
MSE 2018, Materials Science and Engineering, Darmstadt, 26.-28. Sept. (2018).

1) Awd, M. (Sp.); Siddique, S.; Hajavifard, R.; Walther, F.:
Comparative study of defect-based and plastic damage-based approaches for fatigue lifetime calculation of selective laser-melted AlSi12.
FFW 2018, 7th International Conference on Fracture Fatigue and Wear, Ghent, Belgium, 09.-10. July (2018).

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