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M.Sc. Ramin Hajavifard

M.Sc. Ramin Hajavifard Photo of M.Sc. Ramin Hajavifard

Telephone
(+49)231 755-8033

Fax
(+49)231 755-8029

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Address

Room 3.023

Contents

Main Activities

  • Thermal sensor technology
  • Magneto-inductive sensor technology
  • Electromagnetic acoustic transducer (EMAT)
  • Modelling and simulation, finite element modelling (FEM)
  •  
  • Organization lecture Measurement Engineering (ME, MMT)

 

Research Activities

 

teaching

 

Publications

  • 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 Publikation als PDF-Datei anschauen.

  • 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, Proc. of the 7th International Conference on Fracture Fatigue and Wear (2018) 297-313. https://doi.org/10.1007/978-981-13-0411-8_27

A collective list of the publications can be reviewed here.

 

Presentations

  • 6) Afzal, M. J. (V.); 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, 4.-8. May (2020).

  • 5) Awd, M. (V.); 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. (V.); 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. (V.); 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. April (2019).

  • 2) Hajavifard, R. (V.); 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. (V.); 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).

A collective list of the presentations can be reviewed here.