Ma, A.; Roters, F.; Raabe, D.: A dislocation density based constitutive model for crystal plasticity FEM. 14th International Conference on Textures of Materials (ICOTOM 14), Leuven, Belgium (2005)
Ma, A.; Roters, F.; Raabe, D.: Introducing the Effect of Grain Boundaries into Crystal Plasticity FEM Using a Non Local Dislocation Density Based Constitutive Model. Theory and Application to FCC Bi-Crystals. Euromech Colloquium 463: Size dependent mechanics of materials, Groningen, Niederlande (2005)
Roters, F.; Ma, A.: Ein nicht lokales Versetzungsdichte basiertes konstitutives Gesetz für Kristall-Plastizitäts-Finite-Elemente-Simulationen. Institutsseminar, Fraunhofer-Institut für Werkstoffmechanik IWM, Freiburg (2005)
Roters, F.; Ma, A.: Die Kristall-Plastizitäts-Finite-Elemente-Methode und ihre Anwendung auf Bikristall-Scherversuche. Institutsseminar, Institut für Werkstoffwissenschaften, Universität, Erlangen-Nürnberg (2005)
Roters, F.; Ma, A.; Raabe, D.: The Texture Component Crystal Plasticity Finite Element Method. Keynote lecture at the Third GAMM (Society for Mathematics and Mechanics) Seminar on Microstructures, Stuttgart, Germany (2004)
Bieler, T. R.; Crimp, M. A.; Ma, A.; Roters, F.; Raabe, D.: Slip Interactions Leading to Damage Nucleation in TiAl Grain Boundaries. 3rd International Workshop on - TiAl Technologies, Bamberg, Germany (2006)
Ma, A.; Roters, F.; Raabe, D.: Simulation of textures and Lankford values for face centered cubic polycrystaline metals by using a modified Taylor model. (2004)
International researcher team presents a novel microstructure design strategy for lean medium-manganese steels with optimized properties in the journal Science
This project aims to investigate the dynamic hardness of B2-iron aluminides at high strain rates using an in situ nanomechanical tester capable of indentation up to constant strain rates of up to 100000 s−1 and study the microstructure evolution across strain rate range.
This project deals with the phase quantification by nanoindentation and electron back scattered diffraction (EBSD), as well as a detailed analysis of the micromechanical compression behaviour, to understand deformation processes within an industrial produced complex bainitic microstructure.
Within this project, we will use a green laser beam source based selective melting to fabricate full dense copper architectures. The focus will be on identifying the process parameter-microstructure-mechanical property relationships in 3-dimensional copper lattice architectures, under both quasi-static and dynamic loading conditions.
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.