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Research Topics

Latest Research Projects

To see a single vacancy in a metal
To see a single vacancy in a metal
CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in high strength Al-Zn-Mg-Cu alloys
CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in high strength Al-Zn-Mg-Cu alloys
Green Steel: The role of microstructure in Direct Reduction of Ores with Hydrogen
Green Steel: The role of microstructure in Direct Reduction of Ores with Hydrogen
Interplay of chemistry and faceting at grain boundaries in a multicomponent engineering Al-alloy
Interplay of chemistry and faceting at grain boundaries in a multicomponent engineering Al-alloy
Combining fully coupled chemistry and mechanical modeling in microstructure and materials research
Combining fully coupled chemistry and mechanical modeling in microstructure and materials research
Corrosion of CoCrMo hip implant in-vivo
Corrosion of CoCrMo hip implant in-vivo
Cementite decomposition in 100Cr6 bearing steel during high pressure torsion
Cementite decomposition in 100Cr6 bearing steel during high pressure torsion
A new class of lightweight, stainless steels with ultra-high strength and large ductility
A new class of lightweight, stainless steels with ultra-high strength and large ductility
Overview of Advanced High-Strength Steels
Overview of Advanced High-Strength Steels
Dual-nanoprecipitation leading to ultrastrong lightweight compositionally complex steels (CCSs)
Dual-nanoprecipitation leading to ultrastrong lightweight compositionally complex steels (CCSs)
Chemical Boundary Engineering
Chemical Boundary Engineering

 See all "Current Research Projects" here

Recently completed projects

Scandium-containing aluminium alloys are currently attracting interest as candidates for high-performance aerospace structural materials due to their outstanding combination of strength, ductility and corrosion resistance. Strengthening is achieved by precipitation of Al3Sc-particles upon ageing heat treatment.
In this project, we investigate the phase transformation and twinning mechanisms in a typical interstitial high-entropy alloy (iHEA) via in-situ and interrupted in-situ tensile testing ...
Single crystalline copper beams with thicknesses between 0.7 and 5 μm are manufactured with a focused ion beam technique and bent in a nanoindenter. The yield strengths of the beams show a mechanical size effect (smaller-is-stronger).
Carbon partitioning between ferritic and austenitic phases is essential for austenite stabilization in the most advanced steels such as those produced by the quenching and partitioning (Q&P) process.
In this project, we employ a metastability-engineering strategy to design bulk high-entropy alloys (HEAs) with multiple compositionally equivalent high-entropy phases.
Among the high number of multi-principal-element alloys that are referred to as high-entropy alloys (HEAs) in the literature, only a limited number solidify as single-phase solid solutions.
In this project we investigate the hydrogen distribution and desorption behavior in an electrochemically hydrogen-charged binary Ni-Nb model alloy. The aim is to study the role of the delta phase in hydrogen embrittlement of the Ni-base alloy 718.
In this project we work on correlative atomic structural and compositional investigations on Co and CoNi-based superalloys as a part of SFB/Transregio 103 project “Superalloy Single Crystals”. The task is to image the boron segregation at grain boundaries in the Co-9Al-9W-0.005B alloy.
For this project three ferrite/martensite dual-phase steels varying in the ferrite grain size (12.4, 2.4 and 1.2 um) but with the same martensite content (30 vol.%) were produced by large-strain warm deformation at different deformation temperatures, followed by intercritical annealing.
We review microstructures and properties of metal matrix composites produced by severe plastic deformation of multiphase alloys. Typical processings are wire drawing, ball milling, roll bonding, equal-channel angular extrusion, and high-pressure torsion of multiphase materials.

See all "Finished Projects" here

More Research Topics

Ab Initio Materials Science

Ab Initio
Materials Science

Advanced High StrengthandNanostructured Steels

Advanced High Strength
and
Nanostructured Steels

Crystallographic Texturesof Materials

Crystallographic Textures
of Materials

Dual Phase Steels

Dual Phase Steels

Hydrogen andHydrogen Embrittlement

Hydrogen and
Hydrogen Embrittlement

Intermetallics,  Complex andHigh Entropy Alloys

Intermetallics, 
Complex and
High Entropy Alloys

Materials at the Atomic Scale

Materials at the Atomic Scale

Magnesium Alloys

Magnesium Alloys

Nickel- and Cobaltbase superalloys

Nickel- and Cobaltbase superalloys

Plastic Deformation of Materials

Plastic Deformation of Materials

Soft Matter andbiological Materials

Soft Matter and
biological Materials

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