Helmholtz-Zentrum Dresden-Rossendorf

Structural Materials

Porträt Dr. Heintze, Cornelia; FWOM
Dr. Cornelia Heintze
Phone:+49 351 260 3431
Email: c.heintzeAthzdr.de
AddressBautzner Landstraße 400
01328 Dresden

Scientific career

  • 2016 - 2018:
    Co-head of the Structural Materials Division
  • Feb. - Jul. 2012:
    Research stay at the Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (Ciemat), Madrid, Spain
    Topic: Transmission electron microscopy on neutron- and ion-irradiated Fe-base alloys
  • 2007 - 2013:
    Doctoral thesis, Technische Universität Dresden
  • Since Jan. 2007:
    Scientific staff at Helmholtz-Zentrum Dresden-Rossendorf
  • 2001 - 2006:
    Study of Mechanical Engineering (Power engineering/Nuclear power engineering), Technische Universität Dresden

Research work

  • Irradiation behaviour of structural materials under neutron- and ionirradiation, esp. evolution of the nanostructure
  • Microstructural characterisation from the nm- to the µm-scale of unirradiated and irradiated steels
  • structure-property relationships
  • Materials: ferritic/martensitic Cr-steels, oxide dispersion strengthened steels, reactor pressure vessel steels, model alloys
  • Methods: ion irradiation, nanoindentation, transmission electron microscopy


  • EU FP7 collaborative project MatISSE (Materials Innovations for Safe and Sustainable nuclear in Europe)
  • EU Horizon 2020 project SOTERIA (Safe long term irradiation of light water reactors)
  • EERA JPNM pilot project IOANIS (Ion irradiation as a neutron irradiation surrogate)
  • EERA JPNM pilot project NINA (Nanoindentation for nuclear applications)
  • IAEA Coordinated Research Project SMoRE-II (Accelerator Simulation and Theoretical Modelling of Radiation Effects)



Nanoindentation of single- (Fe) and dual-beam (Fe and He) ion-irradiated ODS Fe-14Cr-based alloys: Effect of the initial microstructure on irradiation-induced hardening
Heintze, C.; Hilger, I.; Bergner, F.ORC; Weissgärber, T.; Kieback, B.
Related publications
Dataset on characterization, ion irradiation and … (Id 28310) HZDR-primary research data are used by this publication

Long-term stability of the microstructure of austenitic ODS steel rods produced with a carbon-containing process control agent
Gräning, T.; Klimenkov, M.; Rieth, M.; Heintze, C.; Möslang, A.;
  • Lecture (Conference)
    NuMat 2018, 14.-18.10.2018, Seattle, USA
  • Journal of Nuclear Materials 523(2019), 111-120
    DOI: 10.1016/j.jnucmat.2019.05.060

On the role of Ni, Si and P on the microstructural evolution of FeCr alloys under irradiation
Gómez-Ferrer, B.; Heintze, C.; Pareige, C.;


Post-irradiation annealing behavior of oxide dispersion strengthened Fe-Cr alloys studied by nanoindentation
Duan, B.; Bergner, F.ORC; Heintze, C.; Akhmadaliev, S.; Wang, T.

Nanoindentation of ion-irradiated reactor pressure vessel steels – model-based interpretation and comparison with neutron irradiation
Röder, F.; Heintze, C.; Pecko, S.; Akhmadaliev, S.; Bergner, F.ORC; Ulbricht, A.; Altstadt, E.

Fe2+ ion irradiated JRQ steel investigated by nanoindentation and slow-positron Doppler broadening spectroscopy
Pecko, S.; Heintze, C.; Bergner, F.; Anwand, W.; Slugen, V.;

Helium-ion microscopy, helium-ion irradiation and nanoindentation of Eurofer 97 and ODS Eurofer
Bergner, F.ORC; Hlawacek, G.; Heintze, C.


Synthesis of High-Crystallinity DPP Polymers with Balanced Electron and Hole Mobility
Di Pietro, R.; Erdmann, T.; Carpenter, J. H.; Wang, N.; Shivhare, R. R.; Formanek, P.; Heintze, C.; Voit, B.; Neher, D.; Ade, H.; Kiriy, A.;

On the influence of microstructure on fracture behaviour of hot extruded ferritic ODS steels
Das, A.; Viehrig, H. W.; Altstadt, E.; Heintze, C.; Hoffmann, J.;

The effect of the initial microstructure in terms of sink strength on the ion-irradiation-induced hardening of ODS alloys studied by nanoindentation
Duan, B.; Heintze, C.; Bergner, F.ORC; Ulbricht, A.; Akhmadaliev, S.; Oñorbe, E.; de Carlan, Y.; Wang, T.

Microstructure characterization and strengthening mechanisms of oxide dispersion strengthened (ODS) Fe-9%Cr and Fe-14%Cr extruded bars
Chauhan, A.; Bergner, F.ORC; Etienne, A.; Aktaa, J.; de Carlan, Y.; Heintze, C.; Litvinov, D.; Hernandez-Mayoral, M.; Oñorbe, E.; Radiguet, B.; Ulbricht, A.

Effect of microstructural anisotropy on fracture toughness of hot rolled 13Cr ODS steel – the role of primary and secondary cracking
Das, A.; Viehrig, H. W.; Bergner, F.; Heintze, C.; Altstadt, E.; Hoffmann, J.;


Transmission electron microscopy investigation of the microstructure of Fe-Cr alloys induced by neutron and ion irradiation at 300ºC
Hernández-Mayoral, M.; Heintze, C.; Onorbe, E.;

Irradiation hardening of Fe-9Cr-based alloys and ODS Eurofer: effect of helium implantation and iron-ion irradiation at 300 °C including sequence effects
Heintze, C.; Bergner, F.; Hernandez-Mayoral, M.; Kögler, R.; Müller, G.; Ulbricht, A.;

Ion irradiation combined with nanoindentation as a screening test procedure for irradiation hardening
Heintze, C.; Bergner, F.; Akhmadaliev, S.; Altstadt, E.;

Investigation of spark plasma sintered oxide-dispersion strengthened steels by means of small-angle neutron scattering
Hilger, I.; Bergner, F.; Ulbricht, A.; Wagner, A.; Weißgärber, T.; Kieback, B.; Heintze, C.; Dewhurst, C. D.;


Application of a three-feature dispersed-barrier hardening model to neutron-irradiated Fe-Cr model alloys
Bergner, F.; Pareige, C.; Hernández-Mayoral, M.; Malerba, L.; Heintze, C.;


Nanoscale characterization of ODS Fe-9%Cr model alloys compacted by spark plasma sintering
Heintze, C.; Hernández-Mayoral, M.; Ulbricht, A.; Bergner, F.; Shariq, A.; Weissgärber, T.; Frielinghaus, H.;


The microstructure of neutron-irradiated Fe-Cr alloys: A small-angle neutron scattering study
Heintze, C.; Bergner, F.; Ulbricht, A.; Eckerlebe, H.;

Microstructure of oxide dispersion strengthened Eurofer and iron–chromium alloys investigated by means of small-angle neutron scattering and transmission electron microscopy
Heintze, C.; Bergner, F.; Ulbricht, A.; Hernandez-Mayoral, M.; Keiderling, U.; Lindau, R.; Weißgärber, T.;

Ion-irradiation induced damage in FeCr alloys characterized by nanoindentation
Heintze, C.; Bergner, F.; Hernández-Mayoral, M.;


Nanoindentation and transmission electron microscopy of ion-irradiated iron-chromium alloys
Heintze, C.;
  • Lecture (Conference)
    Jahrestagung Kerntechnik 2010, 04.-06.05.2010, Berlin, Deutschland
  • atw - International Journal for Nuclear Power 7(2010), 479-481

SANS investigation of neutron-irradiated Fe-Cr alloys
Ulbricht, A.; Heintze, C.; Bergner, F.; Eckerlebe, H.;
  • Poster
    XIV International Conference on Small-Angle Scattering, 13.-18.09.2009, Oxford, United Kingdom
  • Open Access Logo Journal of Physics: Conference Series 247(2010), 012035
    DOI: doi:10.1088/1742-6596/247/1/012035

Mechanical properties of spark plasma sintered Fe-Cr compacts strengthened by nanodispersed yttria particles
Franke, P.; Heintze, C.; Bergner, F.; Weissgärber, T.;
  • MP Materials Testing 52(2010), 133-138

SANS investigation of a neutron-irradiated Fe-9at%Cr alloy
Ulbricht, A.; Heintze, C.; Bergner, F.; Eckerlebe, H.;


Estimation of the solubility limit of Cr in Fe at 300°C from small angle neutron scattering in neutron-irradiated Fe-Cr alloys
Bergner, F.; Ulbricht, A.; Heintze, C.;

Ion-irradiation-induced damage of steels characterized by means of nanoindentation
Heintze, C.; Recknagel, C.; Bergner, F.; Hernández-Mayoral, M.; Kolitsch, A.;
  • Poster
    IBMM 08 - 16th International Conference on Ion Beam Modification of Materials, 31.08.-05.09.2008, Dresden, Deutschland
  • Nuclear Instruments and Methods in Physics Research B 267(2009), 1505-1508