Helmholtz-Zentrum Dresden-Rossendorf

Structural Materials

Porträt Dr. Heintze, Cornelia; FWOM Dr. Cornelia Heintze

Head Structural Materials

Phone:+49 351 260 - 3431
Email: c.heintzeAthzdr.de
AddressBautzner Landstraße 400
01328 Dresden

Scientific career

  • Since 1.1.2016:
    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-Skale 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 microscoy

Projects

  • 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)

Publications

2017

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.
Corresponding author: Bergner, F. HZDR

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.
Corresponding author: Bergner, F. HZDR

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.

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

2016

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.

2014

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.

2012

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.

2011

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.

2010

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.

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.

2009

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