Biedermann, P. U.; Torres, E.; Laaboudi, L.; Isik-Uppenkamp, S.; Rohwerder, M.; Blumenau, A. T.: Cathodic Delamination by a Combined Computational and Experimental Approach: The Aklylthiol/Gold Model System. Multiscale Material Modeling of Condensed Matter, MMM2007, St. Feliu de Guixols, Spain (2007)
Fenster, J. C.; Rohwerder, M.; Hassel, A. W.: Intensity Modulated Photo Electrochemistry of Laser Irradiated Semiconductors. 6th International Symposium on Electrochemical Micro & Nanosystem Technologies, Bonn, Germany (2006)
Park, E.; Hüning, B.; Borodin, S.; Rohwerder, M.; Spiegel, M.: Initial oxidation of Fe-Cr alloys: In situ STM amd ex-situ SEM studies. 6th International Conference on the Microscopy of Oxidation, Birmingham, UK (2005)
Satori, H.; Hassel, A. W.; Rohwerder, M.; Stratmann, M.: Finite Element Simulation of the Cathodic Delamination Process of Coatings on Metal Surfaces. 55th Meeting of the International Society of Electrochemistry, Thessaloniki, Greece (2004)
Paliwoda-Porebska, G.; Michalik, A.; Rohwerder, M.: Conducting polymer coatings for corrosion protection: Pros and cons. Gordon Research Conference on Aqueous Corrosion, New London, NH, USA (2004)
Baumert, B.; Stratmann, M.; Rohwerder, M.: Formability of Ultra-Thin Plasma-Polymer Films Deposited on Metal Sheet: Mesoscopic and Nanoscopic Aspects of Defect Formation. Symposium on Thin Films - Stresses and Mechanical Properties X held at the 2003 MRS Fall Meeting, Boston, MA, USA (2003)
Ehahoun, H.; Stratmann, M.; Rohwerder, M.: Charged Langmuir-Blodgett Films on a metallic Surface: Composition and Structure of the Interface. ISE2002, Düsseldorf, Germany (2002)
van der Kloet, J.; Hassel, A. W.; Rohwerder, M.; Stratmann, M.: Understanding the Role of Copper in FFC on aluminium alloys. 53rd Meeting of the International Society of Electrochemistry, Düsseldorf, Germany (2002)
Hausbrand, R.; Grundmeier, G.; Stratmann, M.; Rohwerder, M.: Design of materials with improved delamination behaviour: The system zinc-magnesium. NH Gordon Conference on Aqueous Corrosion, New London, NH, USA (2002)
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.
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.
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.
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.
Thermo-chemo-mechanical interactions due to thermally activated and/or mechanically induced processes govern the constitutive behaviour of metallic alloys during production and in service. Understanding these mechanisms and their influence on the material behaviour is of very high relevance for designing new alloys and corresponding…
Nickel-based alloys are a particularly interesting class of materials due to their specific properties such as high-temperature strength, low-temperature ductility and toughness, oxidation resistance, hot-corrosion resistance, and weldability, becoming potential candidates for high-performance components that require corrosion resistance and good…