Swaminathan, S.; Rohwerder, M.; Rohwerder, M.; Spiegel, M.: Temperature and dew point dependent segregation of phosphorus and sulfur in Fe–Mn–P–S model alloy. Surface and Coatings Technology 205 (16), pp. 4089 - 4093 (2011)
Auinger, M.; Rohwerder, M.: Coupling Diffusion and Thermodynamics - Exemplified for the gas nitriding of ironchromium alloys. HTM - Journal of Heat Treatment and Materials 66 (2), pp. 100 - 102 (2011)
Rohwerder, M.; Isik-Uppenkamp, S.; Chellachamy Anbalagan, A.: Application of the Kelvin probe method for screening the interfacial reactivity of conducting polymer based coatings for corrosion protection. Electrochimica Acta 56 (4), pp. 1889 - 1893 (2011)
Auinger, M.; Borodin, S.; Swaminathan, S.; Rohwerder, M.: Thermodynamic Stability and Reaction Sequence for High Temperature Oxidation Processes in Steels. Materials Science Forum 696, pp. 76 - 81 (2011)
Khan, T. R.; Erbe, A.; Auinger, M.; Marlow, F.; Rohwerder, M.: Electrodeposition of zinc-silica composite coatings: Challenges in incorporating functionalized silica particles into a zinc matrix. Science and Technology of Advanced Materials 12 (5), 055005 (2011)
Hamou, F. R.; Biedermann, P. U.; Erbe, A.; Rohwerder, M.: Numerical simulation of probing the electric double layer by scanning electrochemical potential microscopy. Electrochimica Acta 55 (18), pp. 5210 - 5222 (2010)
Frenznick, S.; Swaminathan, S.; Stratmann, M.; Rohwerder, M.: A novel approach to determine high temperature wettability and interfacial reactions in liquid metal/solid interface. Bulletin of Materials Science 45 (8), pp. 2106 - 2111 (2010)
Borissov, D.; Pareek, A.; Renner, F. U.; Rohwerder, M.: Electrodeposition of Zn and Au–Zn alloys at low temperature in an ionic liquid. Physical Chemistry Chemical Physics 12 (9), pp. 2059 - 2062 (2010)
Fenster, J. C.; Rohwerder, M.; Hassel, A. W.: The impedance-titrator: A novel setup to perform automated pH-dependent electrochemical experiments. Materials and Corrosion-Werkstoffe und Korrosion 60 (11), pp. 855 - 858 (2009)
Rohwerder, M.; Duc, L.; Michalik, A.: In situ investigation of corrosion localised at the buried interface between metal and conducting polymer based composite coatings. Electrochimica Acta 54 (25), pp. 6075 - 6081 (2009)
Rohwerder, M.; Isik-Uppenkamp, S.; Stratmann, M.: Application of SKP for in situ monitoring of ion mobility along insulator/insulator interfaces. Electrochimica Acta 54 (25), pp. 6058 - 6062 (2009)
Borissov, D.; Isik-Uppenkamp, S.; Rohwerder, M.: Fabrication of iron nanowire arrays by electrodeposition into porous alumina. The Journal of Physical Chemistry C 113 (8), pp. 3133 - 3138 (2009)
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…