Stratmann, M.: The Scanning Kelvin Probe: From the atmospheric corrosion of steel … to modern surface engineering. UK Corrosion 2005 and 46th Corrosion Science Symposium, Manchester, UK (2005)
Lill, K. A.; Hassel, A. W.; Stratmann, M.: On the Electrochemical Behaviour of Single Grains of FeCrAl Ferritic Steels. 207th Meeting of The Electrochemical Society, Québec City, Canada (2005)
Smith, A.; Stratmann, M.; Hassel, A. W.: Transient Measurements of Single Particle Impacts on Disk Shaped Microelectrodes for the Investigation of Tribocorrosion. 207th Meeting of The Electrochemical Society, Québec City, Canada (2005)
Mingers, A. M.; Hassel, A. W.; Stratmann, M.; van der Heyden, M.: A Combined Analytical and Electrochemical Method to Evaluate the Stability of Thermal Spray Coatings. 81. AGEF Seminar „Tribocorrosion“, Düsseldorf, Germany (2005)
Stratmann, M.: Wie müssen Metall/Polymer Grenzflächen beschaffen sein, um einen optimalen Korrosionsschutz zu gewährleisten? 1. Korrosionsschutz-Symposium: Korrosionsschutz durch Beschichtungen in Theorie und Praxis, St. Goar, Germany (2005)
Stratmann, M.: Die Rasterkelvinsonde als ein neuartiges Untersuchungsverfahren zur Charakterisierung der Korrosionsstabilität polymerbeschichteter Werkstoffe. 80. AGEF Seminar im Rahmen der InCom 2005, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany (2005)
Stratmann, M.: Korrosionsschutz von Stahl durch Polymerschichten. Kontaktstudium Werkstofftechnik Stahl, Teil IV: Physikalische und chemische Eigenschaften, Duisburg, Germany (2005)
Stratmann, M.: Metall/Polymer-Grenzflächen. Physikalisches Kolloquium, Institut für Theoretische Physik der Universität Göttingen, Göttingen, Germany (2005)
Stratmann, M.: Moderne Schutzsysteme für Stahloberflächen auf der Basis maßgeschneideter Zinklegierungen. 5. Fachsymposium Oberflächentechnik in Dortmund, DOC, Dortmund, Germany (2004)
Stratmann, M.: Maßgeschneiderte halbleitende Oxide zur Verbesserung des Korrosionswiderstandes und der Adhäsion organischer Schichten. 79. AGEF-Symposium, 25 Jahre Elektrochemie in Düsseldorf, Heinrich-Heine-Universität, Düsseldorf, Germany (2004)
Stratmann, M.: Tailored semiconducting oxides for improved corrosion resistance and adhesion of organic coatings. ARCELOR Surfschool, Thionville, France (2004)
Ehahoun, H.; Stratmann, M.; Rohwerder, M.: Kinetics of O2-reduction at model interfaces investigated with a scanning Kelvin Probe using an O2-insensitive Ag/AgCl/KCl – tip. ISE Annual Meeting, Thessaloniki, Greece (2004)
Grundmeier, G.; Wapner, K.; Schönberger, B.; Stratmann, M.: Fundamentals and Applications of a new height regulated Scanning Kelvin Probe in Corrosion and Adhesion Science. ISE 2004, Thessaloniki, Greece (2004)
Grundmeier, G.; Wapner, K.; Schönberger, B.; Stratmann, M.: Introduction of a height regulated Scanning Kelvin Probe for the simultaneous measurement of surface topography and interfacial electrode potentials in corrosive environments. ISE Conference, 55th Annual Meeting, Thessaloniki, Greece (2004)
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…
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.
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
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,...
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…