Enax, J.; Fabritius, H.-O.; Roters, F.; Raabe, D.; Epple, M.: Synthetic dental composite materials inspired by the hierarchical organization of shark tooth enameloid. Third winter school within the DFG priority programme 1420 "Biomimetic Materials Research: Functionality by Hierarchical Structuring of Materials", Potsdam, Germany (2014)
Eisenlohr, P.; Diehl, M.; Shanthraj, P.; Kords, C.; Roters, F.: Using the DAMASK suite to study micromechanics and crystal plasticity of heterogeneous materials. TMS 2014, 143rd Annual Meeting & Exibition, San Diego, CA, USA (2014)
Eisenlohr, P.; Diehl, M.; Shanthraj, P.; Kords, C.; Roters, F.: Using the DAMASK suite to study micromechanics and crystal plasticity of heterogeneous materials. Plasticity ’14: The 20th International Symposium on Plasticity & Its Current Applications, Nassau, Bahamas, USA (2014)
Kords, C.; Eisenlohr, P.; Roters, F.: On a proper account of plastic size effects in continuum models including the flux of dislocation density. TMS 2014, 143rd Annual Meeting & Exibition, San Diego, CA, USA (2014)
Roters, F.; Kords, C.; Eisenlohr, P.; Raabe, D.: Dislocation density distribution around an wedge indent in single- crystalline nickel: Comparing non-local crystal plasticity finite element predictions with experiments. 11th World Congress on Computational Mechanics (WCCM XI) and 5th European Conference on Computational Mechanics (ECCM V)
, Barcelona, Spain (2014)
Roters, F.; Kords, C.; Eisenlohr, P.; Raabe, D.: Dislocation density distribution around an wedge indent in singlecrystalline nickel: Comparing non-local crystal plasticity finite element predictions with experiments. EMMC-14, 14th European Mechanics of Materials Conference
, Gothenburg, Sweden (2014)
Roters, F.; Steinmetz, D.; Wong, S. L.; Raabe, D.: Crystal Plasticity Implementation of an Advanced Constitutive Model Including Twinning for High Manganese Steels. 2nd International Conference High Manganese Steel, HMnS 2014
, Aachen, Germany (2014)
Tasan, C. C.; Diehl, M.; Yan, D.; Zambaldi, C.; Shanthraj, P.; Roters, F.; Raabe, D.: Integrated experimental and simulation analysis of stress and strain partitioning in dual phase steel. 17th U.S. National Congress on Theoretical and Applied Mechanics Michigan State University, East Lansing, MI, USA (2014)
Tasan, C. C.; Diehl, M.; Yan, D.; Shanthraj, P.; Roters, F.; Eisenlohr, P.; Raabe, D.: Integrated in-situ experiments – full field crystal plasticity simulations to analyze stress – strain partitioning in multi-phase alloys. Nanomechanical Testing in Materials Research and Development IV, Olhão, Algarve, Portugal (2013)
Roters, F.: Modellierung von Verformungsvorgängen auf Basis der Kristallplastizität. Herbstschule des SFB 799 TRIP-Matrix-Composite, Leipzig, Germany (2013)
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…