Fatigue, damage and stress corrosion cracking under cyclic loading (C04)

• Subject Area: Mechanical Properties of Metallic Materials and their Microstructural Origins
• Term: from 2007 to 2019
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 29898171

Sub-project C4 will be dealing with the microscopical mechanisms of fatigue of high manganese steels. It will be studied, in particular, how heterogeneous dislocation structures and the related surface morphology develop in dependence of stacking fault energy, content of interstitial atoms, grain size and pre-deformation. At the same time, the scanning electron microscopy-based methods applied for our investigations, in particular the electron channeling contrast (ECC) method and the Kikuchi bandlet method, will be optimized further.

• DFG Programme: Collaborative Research Centres
• Subproject of: SFB 761: Steel - Ab Initio. Quantum Mechanics Guided Design of New Fe-based Materials
• Applicant Institution: Rheinisch-Westfälische Technische Hochschule Aachen
• Co-Applicant Institution: Max-Planck-Institut für Nachhaltige Materialien GmbH (MPI SusMat)
• Project Heads: Professor Dr.-Ing. Dierk Raabe; Privatdozent Dr.-Ing. Stefan Zaefferer