Coelho, R. S.; Kostka, A.; Zettler, R.; dos Santos, J.; Pyzalla, A. R.: On the microstructure and residual stresses in friction-stir dissimilar AA6040 aluminium alloy to AZ31 magnesium alloy weld. MECASENS IV, Wien (2007)
Kostka, A.; Coelho, R.; dos Santos, J.; Pyzalla, A. R.: Microstructure and Mechanical Properties of Aluminium - Steel Friction Stir Welds. Small Scale Plasticity Workshop, Braunwald, Switzerland (2007)
Kostka, A.; Coelho, R.; Zettler, R.; dos Santos, J.; Pyzalla, A. R.: Microstructure and Residual Stresses in an AA6040-T4/AZ31B Friction-Stir Weld. Euromat 2007, Nürnberg, Germany (2007)
International researcher team presents a novel microstructure design strategy for lean medium-manganese steels with optimized properties in the journal Science
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.
The fracture toughness of AuXSnY intermetallic compounds is measured as it is crucial for the reliability of electronic chips in industrial applications.
Within this project we investigate chemical fluctuations at the nanometre scale in polycrystalline Cu(In,Ga)Se2 and CuInS2 thin-flims used as absorber material in solar cells.
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.