Applied Material Mechanics and Solid-State Transducers

Group

Detailed knowledge of the behavior of functional materials on the micro-scale and on the component level is essential for both developing new materials and constructing sophisticated systems. The systematic acquisition of this knowledge and its application to the existing process chain are the objectives of the group “Applied mechanics of materials” in the research field “Smart Microsystems” at the Fraunhofer IKTS. This field of work, novel to the Fraunhofer IKTS, is funded within the Fraunhofer-internal program Attract under the title “Applied mechanics of functional ceramics”. Basis of applied mechanics of materials is the experimental characterization and the mathematical modeling of functional materials from their structure on the domain and grain scale up to their behavior on the component level. By including continuum theoretical methods, the applied mechanics of materials approach provides new development impulses for functional materials and smart systems. Beyond that, the group “Applied mechanics of materials” covers the classical topics of engineering mechanics and applied mechanics including stress and deformation analysis of solids under static, harmonic and transient loads, strength of materials, and fracture mechanics.

 

Fields of interest:

 

  • Development of high-performance lead-free ferroelectrics
  • Investigation of the effect of crystallographic and structural properties on the material behavior, analysis of structure, characterization of macroscopic material properties
  • Micro-electromechanical and macroscopically phenomenological modeling of functional ceramics from domain-scale to component level

Directionally dependent geometrically possible contribution of a purely tetragonal (a) and mixed rhombohedral-tetragonal grain (b) to the macroscopic remanent strain.

Current research

Modeling of sintering processes

Current research

Model-based design of fast-switching solid-state actuators for valves