Rohwerder, M.: Novel Approaches for Characterizing the Delamination resistance of Organic Coatings. 10th International Workshop on Application of Electrochemical Techniques to Organic Coatings –AETOC, Billerbeck, Germany (2017)
Kerger, P.; Rohwerder, M.; Vogel, D.: Using a Novel In-situ/Operando Chemical Cell to Investigate Surface Reactions such as the Reduction of Oxygen and Surface Oxides. AVS 63rd International Symposium & Exhibition, Nashville, TN, USA (2016)
Rohwerder, M.: Novel Approaches for Characterizing the Delamination resistance of Organic Coatings. 230th ECS Meeting-PRiME 2016, Honolulu, HI, USA (2016)
Uebel, M.; Rohwerder, M.: Conducting polymer based anticorrosion composite coatings – acceleration of the trigger signal spreading. 7th Kurt-Schwabe-Symposium 2016, Mittweida, Germany (2016)
Kerger, P.; Rohwerder, M.; Vogel, D.: Using a Novel In-situ/Operando Chemical Cell to Investigate Surface Reactions such as the Reduction of Oxygen and Surface Oxides. 11th International Symposium on Electrochemical Micro & Nanosystem Technologies (EMNT2016), Brussels, Belgium (2016)
Rohwerder, M.; Dandapani, V.: A Novel Potentiometric Approach to a Quantitative Characterization of Oxygen Reduction Kinetics at Buried Interfaces. 11th International Symposium on Electrochemical Micro & Nanosystem Technologies (EMNT2016), Brussels, Belgium (2016)
Uebel, M.; Vimalanandan, A.; Lv, L.-P.; Crespy, D.; Rohwerder, M.: Dual payload capsules for corrosion protection coatings – importance of the electronic coupling at the metal/capsules interface. 67th Annual Meeting of the International Society of Electrochemistry (ISE) 2016, The Hague, The Netherlands (2016)
Mondragon Ochoa, J. S.; Altin, A.; Rohwerder, M.; Erbe, A.: Surface Modification of Iron With Grafted Hydrophobic Acrylic Polymers and Study of Their Delamination Kinetics. Polymers and Organic Chemistry POC16, Hersonissos (Crete), Greece (2016)
Rohwerder, M.: Die Rasterkelvinsonde: neue Entwicklungen für die Charakterisierung von Korrosionsschutzbeschichtungen. 7. Korrosionsschutz-Symposium, Kloster Irsee, Germany (2016)
Rohwerder, M.: Characterization of Oxides in the Heat Affected Zone. Welding Workshop “Guidelines for use of welded stainless steel in corrosive environments” at TWI, Granta Park, Cambridge, UK (2016)
Tarzimoghadam, Z.; Rohwerder, M.; Merzlikin, S. V.; Bashir, A.; Yedra, L.; Eswara, S.; Ponge, D.; Raabe, D.: On the Role of δ phase in Hydrogen Embrittlement of Alloy 718: Multi-scale H-Mapping in a Ni–Nb Model Alloy. SINTEF and NTNU's Environmental Assisted Cracking (SNEAC) workshop, Trondheim, Norway (2016)
Wengert, A.; Swaminathan, S.; Vogel, A.; Rohwerder, M.: Internal oxidation of high strength steels during short-term annealing: Observation of unexpectedly fast progress of the internal oxidation and first tentative model. EFC Workshop High Temperature Corrosion, Frankfurt, Germany (2015)
About 90% of all mechanical service failures are caused by fatigue. Avoiding fatigue failure requires addressing the wide knowledge gap regarding the micromechanical processes governing damage under cyclic loading, which may be fundamentally different from that under static loading. This is particularly true for deformation-induced martensitic…
In this project, we employ a metastability-engineering strategy to design bulk high-entropy alloys (HEAs) with multiple compositionally equivalent high-entropy phases.
Low dimensional electronic systems, featuring charge density waves and collective excitations, are highly interesting from a fundamental point of view. These systems support novel types of interfaces, such as phase boundaries between metals and charge density waves.
Oxides find broad applications as catalysts or in electronic components, however are generally brittle materials where dislocations are difficult to activate in the covalent rigid lattice. Here, the link between plasticity and fracture is critical for wide-scale application of functional oxide materials.
In this project we conduct together with Dr. Sandlöbes at RWTH Aachen and the department of Prof. Neugebauer ab initio calculations for designing new Mg – Li alloys. Ab initio calculations can accurately predict basic structural, mechanical, and functional properties using only the atomic composition as a basis.
The wide tunability of the fundamental electronic bandgap by size control is a key attribute of semiconductor nanocrystals, enabling applications spanning from biomedical imaging to optoelectronic devices. At finite temperature, exciton-phonon interactions are shown to exhibit a strong impact on this fundamental property.
Enabling a ‘hydrogen economy’ requires developing fuel cells satisfying economic constraints, reasonable operating costs and long-term stability. The fuel cell is an electrochemical device that converts chemical energy into electricity by recombining water from H2 and O2, allowing to generate environmentally-friendly power for e.g. cars or houses…
The project Hydrogen Embrittlement Protection Coating (HEPCO) addresses the critical aspects of hydrogen permeation and embrittlement by developing novel strategies for coating and characterizing hydrogen permeation barrier layers for valves and pumps used for hydrogen storage and transport applications.