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TRR 270:  Hysteresis Design of Magnetic Materials for Efficient Energy Conversion: HoMMage

Subject Area Materials Science and Engineering
Chemistry
Mechanical and Industrial Engineering
Physics
Thermal Engineering/Process Engineering
Term since 2020
Website Homepage
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 405553726
 
CRC/TRR 270 HoMMage's overarching objective is to comprehend, control, and predict the hysteretic responses of key bulk magnets through multi-scale materials engineering. We aim to develop innovative, efficient, and sustainable permanent magnets and magnetocaloric materials that operate closer to their intrinsic physical limits. Our research strategy for the second period builds on the understanding and concepts developed so far, encompassing the full design and process chain, from atomistic understanding and characterization to mesoscopic manufacturing and macroscopic casting, powder consolidation, forming and shaping. We continue with the established project areas A – Maximum Hysteresis for Permanent Magnets and B- Minimum Hysteresis for Magnetocalorics, which are scientifically linked by cross-disciplinary clusters involving individual projects from both areas. We will expand our partnerships with international key experts, thereby increasing our network and visibility. We aim to maintain an international competitive lead in implementing new disruptive magnet-based technologies and provide sustainable solutions for the energy-efficient electrification of future devices and magnetic refrigeration. Magnets play an often-underestimated key role in the transformation to a carbon-neutral society. The need for high-performance magnets is expected to increase exponentially, especially in areas such as electromobility and wind power. Another important challenge relates to the fact that our current cooling technologies rely on a 120+ year unchanged technology. Magnetic refrigeration in contrast offers a more sustainable pathway as one potential technological alternative. During the first funding period, we adopted a highly exploratory approach towards new material classes and processing routes. We successfully brought together researchers from various disciplines, developed a common scientific language, established processing methods, and implemented advanced characterization tools. Our research connects experimental and theoretical methods on all length scales. The technological relevance is demonstrated by the application for four knowledge transfer projects. In the second funding period, we plan to extend the empirically-driven development of bulk magnetic materials to a knowledge-based one, aiming for predictive engineering. This will involve introducing new projects, phasing out some material classes, and strengthening others. A strengthened focus of our research is additive manufacturing and machine learning, as we view this as important future tools and techniques. Finally, CRC/TRR 270 HoMMage addresses future societal, industrial, and academic needs by providing highly trained graduates in the area of magnetic bulk materials for efficient energy conversion in Germany and Europe.
DFG Programme CRC/Transregios
International Connection USA

Current projects

Completed projects

Applicant Institution Technische Universität Darmstadt
Co-Applicant Institution Universität Duisburg-Essen
Participating University Bergische Universität Wuppertal
 
 

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