Zaefferer, S.; An, D.: Hydrogen-induced embrittlement during fatigue loading of a high-Mn steel investigated by electron channelling contrast imaging (ECCI). Euromat 2019, Stockholm, Sweden (2019)
Zaefferer, S.; Shan, Y.; Madivala, M.: Nano-indentation and electron channeling contrast imaging (ECCI) to understand the interaction of hydrogen and dislocations in a high-Mn TWIP steel. Euromat 2019, Stockholm, Sweden (2019)
Zaefferer, S.: Understanding hydrogen-embrittlement during fatigue loading of a high-Mn-steel using ECCI and CC-EBSD. RMS-EBSD conference, London, UK (2019)
Zaefferer, S.: Electron diffraction techniques in scanning electron microscopy: fundamentals and state-of-the-art applications of electron backscatter diffraction (EBSD) and electron channelling contrast imaging (ECCI). 27th Annual Meeting of the German Crystallographic Society (DGK), Leipzig, Germany (2019)
Zaefferer, S.: In-situ electron channeling contrast imag-ing (ECCI) to observe the effect of hydro-gen in TWIP steels and superalloys. Physikalisches Kolloquium der Universität Wien, Wien, Austria (2019)
Zaefferer, S.: The importance of microstructures for the energy conversion efficiency of materials for photovoltaic and photothermic applications. Development of Photovoltaic Solar Energy in Africa by the Year 2030, Abidjan, Republik Côte d’Ivoire (2018)
Zaefferer, S.; Abdellaoui, L.; Rogowitz, A.: Controlled electron channelling contrast imaging, cECCI, for quantitative and in-situ characterization of lattice defects in bulk samples of metals and minerals. 19th International Microscopy Conference, Sydney, Australia (2018)
Zaefferer, S.: Understanding the correlation of crystallographic character and corrosion behaviour of grain boundaries in a stainless steel using large-area 3D EBSD. RMS-EBSD conference , Plymouth, UK (2018)
Zaefferer, S.; Shan, Y.; Madivala, M.: Combination of nano-indentation and electron channeling contrast imaging (ECCI) to understand the interaction of hydrogen and dislocations in a high-Mn TWIP steel. Nanobrücken 2018, Erlangen, Germany (2018)
Hydrogen in aluminium can cause embrittlement and critical failure. However, the behaviour of hydrogen in aluminium was not yet understood. Scientists at the Max-Planck-Institut für Eisenforschung were able to locate hydrogen inside aluminium’s microstructure and designed strategies to trap the hydrogen atoms inside the microstructure. This can…
We will investigate the electrothermomechanical response of individual metallic nanowires as a function of microstructural interfaces from the growth processes. This will be accomplished using in situ SEM 4-point probe-based electrical resistivity measurements and 2-point probe-based impedance measurements, as a function of mechanical strain and…
Hydrogen induced embrittlement of metals is one of the long standing unresolved problems in Materials Science. A hierarchical multiscale approach is used to investigate the underlying atomistic mechanisms.
Hydrogen embrittlement affects high-strength ferrite/martensite dual-phase (DP) steels. The associated micromechanisms which lead to failure have not been fully clarified yet. Here we present a quantitative micromechanical analysis of the microstructural damage phenomena in a model DP steel in the presence of hydrogen.
This project will aim at developing MEMS based nanoforce sensors with capacitive sensing capabilities. The nanoforce sensors will be further incorporated with in situ SEM and TEM small scale testing systems, for allowing simultaneous visualization of the deformation process during mechanical tests
The project aims to study corrosion, a detrimental process with an enormous impact on global economy, by combining denstiy-functional theory calculations with thermodynamic concepts.
Understanding hydrogen-assisted embrittlement of advanced structural materials is essential for enabling future hydrogen-based energy industries. A crucially important phenomenon in this context is the delayed fracture in high-strength structural materials. Factors affecting the hydrogen embrittlement are the hydrogen content,...
Understanding hydrogen-assisted embrittlement of advanced high-strength steels is decisive for their application in automotive industry. Ab initio simulations have been employed in studying the hydrogen trapping of Cr/Mn containing iron carbides and the implication for hydrogen embrittlement.