Kovács, A.; Pradeep, K. G.; Herzer, G.; Raabe, D.; Dunin-Borkowski, R. E.: Magnetic microstructure in a stress-annealed Fe73.5Si15.5B7Nb3Cu1 soft magnetic alloy observed using off-axis electron holography and Lorentz microscopy. AIP Advances 6 (5), 056501 (2016)
Li, Y.; Herbig, M.; Goto, S.; Raabe, D.: Formation of nanosized grain structure in martensitic 100Cr6 bearing steels upon rolling contact loading studied by atom probe tomography. Materials Science and Technology 32 (11), pp. 1100 - 1105 (2016)
Timokhina, I. B.; Liss, K.-D.; Raabe, D.; Rakha, K.; Beladi, H.; Xiong, X.; Hodgson, P. D.: Growth of bainitic ferrite and carbon partitioning during the early stages of bainite transformation in a 2 mass silicon steel studied by in situ neutron diffraction, TEM and APT. Journal of Applied Crystallography 49, pp. 399 - 414 (2016)
Pradeep, K. G.; Herzer, G.; Raabe, D.: Atomic scale study of CU clustering and pseudo-homogeneous Fe-Si nanocrystallization in soft magnetic FeSiNbB(CU) alloys. Ultramicroscopy 159 (2), pp. 285 - 291 (2015)
Stoffers, A.; Cojocaru-Mirédin, O.; Seifert, W.; Zaefferer, S.; Riepe, S.; Raabe, D.: Grain boundary segregation in multicrystalline silicon: correlative characterization by EBSD, EBIC, and atom probe tomography. Progress in Photovoltaics: Research and Applications 23 (12), pp. 1742 - 1753 (2015)
Pradeep, K. G.; Tasan, C. C.; Yao, M.; Deng, Y.; Springer, H.; Raabe, D.: Non-equiatomic high entropy alloys: Approach towards rapid alloy screening and property-oriented design. Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing 648, pp. 183 - 192 (2015)
Ma, D.; Grabowski, B.; Körmann, F.; Neugebauer, J.; Raabe, D.: Ab initio thermodynamics of the CoCrFeMnNi high entropy alloy: Importance of entropy contributions beyond the configurational one. Acta Materialia 100, pp. 90 - 97 (2015)
Pierce, D. T.; Jiménez, J. A.; Bentley, J.; Raabe, D.; Wittig, J. E.: The influence of stacking fault energy on the microstructural and strainhardening evolution of Fe–Mn–Al–Si steels during tensile deformation. Acta Materialia 100, pp. 178 - 190 (2015)
Wen, Y.; Xiao, H.; Peng, H.; Li, N.; Raabe, D.: Relationship Between Damping Capacity and Variations of Vacancies Concentration and Segregation of Carbon Atom in an Fe–Mn Alloy. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science 46A (11), pp. 4828 - 4833 (2015)
Konijnenberg, P. J.; Zaefferer, S.; Raabe, D.: Assessment of geometrically necessary dislocation levels derived by 3D EBSD. Acta Materialia 99, pp. 402 - 414 (2015)
Choi, W. S.; De Cooman, B. C.; Sandlöbes, S.; Raabe, D.: Size and orientation effects in partial dislocation-mediated deformation of twinning-induced plasticity steel micro-pillars. Acta Materialia 98, 12304, pp. 391 - 404 (2015)
International researcher team presents a novel microstructure design strategy for lean medium-manganese steels with optimized properties in the journal Science
The aim of the work is to develop instrumentation, methodology and protocols to extract the dynamic strength and hardness of micro-/nano- scale materials at high strain rates using an in situ nanomechanical tester capable of indentation up to constant strain rates of up to 100000 s−1.
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.