Dehm, G.; Jaya, B. N.; Raghavan, R.; Kirchlechner, C.: Probing deformation and fracture of materials with high spatial resolution. Euromat 2015 - Symposium on In-situ Micro- and Nano-mechanical, Characterization and Size Effects
, Warsaw, Poland (2015)
Dehm, G.: In situ nano- and micromechanics of materials. International Workshop on Advanced and In-situ Microscopies of Functional Nanomaterials and Devices – IAMNano 2015, Hamburg, Germany (2015)
Duarte, M. J.; Brinckmann, S.; Renner, F. U.; Dehm, G.: Nanomechanical testing under environmental conditins of Fe-based metallic glasses. 22st International Symposium on Metastable Amorphous and Nanostructured Materials, ISMANAM 2015, Paris, France (2015)
Hieke, S. W.; Dehm, G.; Scheu, C.: Temperature induced faceted hole formation in epitaxial Al thin films on sapphire. Understanding Grain Boundary Migration: Theory Meets Experiment, Günzburg/Donau, Germany (2015)
Malyar, N.; Kirchlechner, C.; Dehm, G.: Dislocation grain boundary interaction in bi-crystalline micro pillars studied by in situ SEM and in situ µLaue diffraction. ICM 12 - 12th International Conference on the Mechanical Behavior of Materials, Karlsruhe, Germany (2015)
Dehm, G.: In situ nanocompression testing in the TEM: Challenges and benefits. Symposium Advanced Electron Microscopy for Materials Research, Erlangen, Germany (2015)
Kirchlechner, C.; Malyar, N.; Imrich, P. J.; Dehm, G.: Plastische Verformung an Korngrenzen: Neue Einblicke durch miniaturisierte Zug- und Druckversuche. 11. Tagung Gefüge und Bruch (2015), Leoben, Austria (2015)
Fink, C.; Brinckmann, S.; Shin, S.; Dehm, G.: Nanotribology and Microstructure Evolution in Pearlite. Frühjahrstagung der Sektion Kondensierte Materie der Deutschen Physikalischen Gesellschaft
, Berlin, Germany (2015)
Malyar, N.; Dehm, G.; Kirchlechner, C.: Insights into dislocation slip transfer by µLaue diffraction. Arbeitskreis-Treffen der Deutschen Gesellschaft für Materialkunde (DGM) e.V. „Rasterkraftmikroskopie und nanomechanische Methoden“, Darmstadt, Germany (2015)
Marx, V. M.; Kirchlechner, C.; Cordill, M. J.; Dehm, G.: The mechanical behavior of thin cobalt films on polyimide. Arbeitskreistreffen Rasterkraftmikroskopie und nanomechanische Methoden, TU Darmstadt, Darmstadt, Germny (2015)
Dehm, G.: Structure and Nano-/Micromechanics of Materials. Chemisch-Physikalisch-Technische Sektion der Max-Planck-Gesellschaft, Berlin, Germany (2015)
Dehm, G.: New Insights into Materials Phenomena by Advanced TEM. Symposium: Advanced Materials Analysis by latest STEM Technologies, Mülheim an der Ruhr, Germany (2015)
Brinckmann, S.; Fink, C.; Dehm, G.: Roughness and Microstructure Development during Nanotribology in Austenite. DPG-Spring Meeting, Berlin, Germany (2015)
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…
Oxidation and corrosion of noble metals is a fundamental problem of crucial importance in the advancement of the long-term renewable energy concept strategy. In our group we use state-of-the-art electrochemical scanning flow cell (SFC) coupled with inductively coupled plasma mass spectrometer (ICP-MS) setup to address the problem.
In this project we investigate the hydrogen distribution and desorption behavior in an electrochemically hydrogen-charged binary Ni-Nb model alloy. The aim is to study the role of the delta phase in hydrogen embrittlement of the Ni-base alloy 718.
We plan to investigate the rate-dependent tensile properties of 2D materials such as metal thin films and PbMoO4 (PMO) films by using a combination of a novel plan-view FIB based sample lift out method and a MEMS based in situ tensile testing platform inside a TEM.
This project aims to investigate the influence of grain boundaries on mechanical behavior at ultra-high strain rates and low temperatures. For this micropillar compressions on copper bi-crystals containing different grain boundaries will be performed.
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.
For understanding the underlying hydrogen embrittlement mechanism in transformation-induced plasticity steels, the process of damage evolution in a model austenite/martensite dual-phase microstructure following hydrogenation was investigated through multi-scale electron channelling contrast imaging and in situ optical microscopy.
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…
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.