Contact

Dr. Eberhard Altstadt
Head
e.altstadtAthzdr.de
Phone: +49 351 260 2276
Fax: +49 351 260 12276, +49 351 260 2205

Dr. Cornelia Heintze
Head Structural Materials
c.heintzeAthzdr.de
Phone: +49 351 260 3431

Sonja Rott
Structural Materials
s.rottAthzdr.de
Phone: +49 351 260 2780
Fax: +49 351 260 12780, +49 351 260 2205

2018

Why do secondary cracks preferentially form in hot-rolled ODS steels in comparison with hot-extruded ODS steels?
Das, A.ORC; Viehrig, H. W.; Altstadt, E.ORC; Bergner, F.ORC; Hoffmann, J.ORC

Determining the ultimate tensile strength of fuel cladding tubes by small punch testing
Simonovski, I.; Baraldi, D.; Holmström, S.; Altstadt, E.ORC; Delville, R.; Bruchhausen, M.

Effect of ausforming temperature on creep strength of G91 investigated by means of small punch creep tests
Vivas, J.; Capdevila, C.ORC; Altstadt, E.ORC; Houska, M.; Serrano, M.ORC; De-Castro, D.; San-Martin, D.

Importance of austenitization temperature and ausforming on creep strength in 9Cr ferritic/martensitic steel
Vivas, J.; Capdevila, C.ORC; Altstadt, E.ORC; Houska, M.; San-Martin, D.

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.

On the estimation of ultimate tensile stress from small punch testing
Altstadt, E.; Houska, M.; Simonovski, I.; Bruchhausen, M.; Holmström, S.; Lacalle, R.

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

2017

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.

Aqueous Gold Overgrowth of Silver Nanoparticles: Merging the Plasmonic Properties of Silver with the Functionality of Gold
Mayer, M.; Steiner, A. M.; Röder, F.; Formanek, P.; König, T. A. F.; Fery, 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.

Model-based magnetization retrieval from holographic phase images
Röder, F.; Vogel, K.; Wolf, D.; Hellwig, O.; Wee, S. H.; Wicht, S.; Rellinghaus, B.

The role of the internal demagnetizing field for the dynamics of a magnonic crystal
Langer, M.; Röder, F.; Gallardo, R. A.; Schneider, T.; Stienen, S.; Gatel, C.; Hübner, R.; Bischoff, L.; Lenz, K.; Lindner, J.; Landeros, P.; Fassbender, J.ORC

2016

JRQ and JPA irradiated and annealed reactor pressure vessel steels studied by positron annihilation
Slugen, V.; Gokhman, O.; Pecko, S.; Sojak, S.; Bergner, F.

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.

Alternative fabrication routes toward oxide dispersion strengthened steels and model alloys
Bergner, F.ORC; Hilger, I.; Virta, J.; Lagerbom, J.; Gerbeth, G.; Connolly, S.; Hong, Z.; Grant, P. S.; Weissgärber, T.

Effect of neutron flux on the characteristics of irradiation-induced nanofeatures and hardening in pressure vessel steels
Wagner, A.; Bergner, F.; Chaouadi, R.; Hein, H.; Hernández-Mayoral, M.; Serrano, M.; Ulbricht, A.; Altstadt, E.

Effect of anisotropic microstructure of a 12Cr ODS steel on the fracture behaviour in the small punch test
Altstadt, E.; Serrano, M.; Houska, M.; Garcia-Junceda, A.

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.

Fabrication and characterization of oxide dispersion strengthened (ODS) 14Cr steels consolidated by means of hot isostatic pressing, hot extrusion and spark plasma sintering
Hilger, I.; Boulnat, X.; Hoffmann, J.; Testani, C.; Bergner, F.; de Carlan, Y.; Ferraro, F.; Ulbricht, A.

Critical evaluation of the small punch test as a screening procedure for mechanical properties
Altstadt, E.; Ge, H. E.; Kuksenko, V.; Serrano, M.; Houska, M.; Lasan, M.; Bruchhausen, M.; Lapetite, J.-M.; Dai, Y.

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.

2015

Direct Depth- and Lateral- Imaging of Nanoscale Magnets Generated by Ion Impact
Röder, F.; Hlawacek, G.; Wintz, S.; Hübner, R.; Bischoff, L.; Lichte, H.; Potzger, K.; Lindner, J.; Fassbender, J.ORC; Bali, R.

Comparison of Consolidation Routes for Mo-Si-B Materials Prepared by Using Nitride Containing Powders
Wiltner, A.; Klöden, B.; Hilger, I.; Weißgärber, T.; Kieback, B.

Bimodal grain size distribution of nanostructured ferritic ODS Fe-Cr alloys
Hilger, I.; Bergner, F.; Weißgärber, T.

Towards safe long-term operation of reactor pressure vessels
Rouden, J.; Hein, H.; May, J.; Planman, T.; Todeschini, P.; Brumovsky, M.; Ballesteros, A.; Gillemot, F.; Chaouadi, R.; Efsing, P.; Altstadt, E.
  • atw - International Journal for Nuclear Power 60(2015)5, 287-293

Contributions of Cu-rich clusters, dislocation loops and nanovoids to the irradiation-induced hardening of Cu-bearing low-Ni reactor pressure vessel steels
Bergner, F.; Gillemot, F.; Hernández-Mayoral, M.; Serrano, M.; Török, G.; Ulbricht, A.; Altstadt, E.

Radiation and annealing response of WWER 440 beltline welding seams
Viehrig, H.-W.; Houska, M.; Altstadt, E.

Investigations on in-vessel melt retention by external cooling for a generic VVER-1000 reactor
Tusheva, P.; Altstadt, E.; Willschütz, H.-G.; Fridman, E.; Weiß, F.-P.

Radiation response of the overlay cladding from the decommissioned WWER-440 Greifswald unit 4 reactor pressure vessel
Viehrig, H.-W.; Altstadt, E.; Houska, M.

2014

Reactor pressure vessel surveillance
Ballesteros, A.; Hein, H.; May, J.; Planman, T.; Todeschini, P.; Brumovsky, M.; Gillemot, F.; Chaouadi, R.; Rouden, J.; Efsing, P.; Altstadt, E.
  • Nuclear Engineering International 59(2014)724, 19-20

FP7 Project LONGLIFE: Overview of Results and Implications
Altstadt, E.; Keim, E.; Hein, H.; Serrano, M.; Bergner, F.; Viehrig, H.-W.; Ballesteros, A.; Chaouadi, R.; Wilford, K.

Microstructural and mechanical characterisation of ODS ferritic alloys produced by mechanical alloying and spark plasma sintering
Hernández-Mayoral, M.; Serrano, M.; Oñorbe, E.; García-Junceda, A.; Hilger, I.; Kloeden, B.; Weissgaerber, T.; Ulbricht, A.; Bergner, F.; Radiguet, B.; Etienne, A.; Shariq, A.; Dewhurst, C. D.

Post-irradiation annealing behaviour of neutron-irradiated FeCu, FeMnNi and FeMnNiCu model alloys investigated by means of small-angle neutron scattering
Bergner, F.; Ulbricht, A.; Lindner, P.; Keiderling, U.; Malerba, L.

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.

Monitoring radiation embrittlement during life extension periods
Ballesteros, A.; Altstadt, E.; Gillemot, F.; Hein, H.; Wagemans, J.; Rouden, J.; Barthelmes, J.; Wilford, K.; Serrano, M.; Brumovsky, M.; Chaouadi, R.; Ortner, S.

Damage accumulation in pure iron and high concentrated Fe–12.5 at% Cr alloy: comparison between object kinetic Monte Carlo and cluster dynamics
Gokhman, A.; Caturla, M.; Bergner, F.

The Structural changes of Y2O3 in ferritic ODS alloys during milling
Hilger, I.; Tegel, M.; Gorley, M. J.; Grant, P. S.; Weißgärber, T.; Kieback, B.

Quantitative imaging of the magnetic configuration of modulated nanostructures by electron holography
Körner, M.; Röder, F.; Lenz, K.; Fritzsche, M.; Lindner, J.; Lichte, H.; Fassbender, J.ORC