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  3. Project D – Additive Manufacturing of Cellular Lead-Free Ceramics

Project D – Additive Manufacturing of Cellular Lead-Free Ceramics

Bereichsnavigation: Projects
  • Project A – Electronic Circuits for Piezoelectric Energy Harvesting and Sensor Array Systems
  • Project B – Excitation-Conforming, Shape-Adaptive Mechano-Electrical Energy Conversion
  • Project C – Macroscale Continuum Modeling and FE Simulation of Electromechanical Coupling in Perovskite-Based Materials
  • Project D – Additive Manufacturing of Cellular Lead-Free Ceramics
  • Project E – Lead-Free Perovskite Semiconductors with Tunable Bandgap for Energy Conversion
  • Project F – Room Temperature Aerosol Deposition of Lead-Free Ferroelectric Films for Energy Conversion Systems
  • Project G – Formulation and Crystallization of Perovskite Bearing Glass-Ceramics for Light Management
  • Project H – Stress Modulated Electromechanical Coupling of Lead-Free Ferroelectrics
  • Project I – Growth of Single Crystal Transition Metal Perovskite Chalcogenides
  • Project J – Solution Processed Ferroelectrics in Photovoltaic Devices
  • Project K – Multi-Scale Modeling of Electromechanical Coupling in Perovskite-Based Ferroelectric Materials and Composites
  • Project L – Modeling of Defect and Surface Chemistry of Perovskites

Project D – Additive Manufacturing of Cellular Lead-Free Ceramics

The electromechanical properties of porous ferroelectrics are attractive for transduction applications, such as hydrophones, as the piezoelectric properties can be optimized in reticulate ceramic foams through the control of pore formation and cell size distribution. This allows for the optimization of properties for energy harvesting applications, making them lightweight and flexible. The required homogenous cellular structures can be produced either by sacrificial lattice templates or additive manufacturing, where, for example, a regular periodic structure (auxetic-like) consisting of various piezo-ceramic materials can be realized with a building block technique. A significant advantage of this approach is the ability to expressly design and optimize the 3D structure to enhance the electromechanical output, e.g., piezoelectric response for energy harvesting systems or strain enhancement for actuators.

The aim of this project is the investigation of lead-free cellular ceramics with additive manufacturing for novel lightweight and flexible (wearable) energy harvesting and sensor systems using auxetic or auxetic-like structures. Determination of influence of structural design parameters, e.g., polarization orientation, of the 3D-structure as well as microstructural properties, e.g., internal porosity, on resulting electromechanical properties will be in focus.

 

Principal Investigators

Dr. Tobias Fey
Institute of Glass and Ceramics
Materials Science Department
Friedrich-Alexander-Universität Erlangen-Nürnberg
tobias.fey@fau.de
Prof. Dr. Ken-ichi Kakimoto
Life Science and Applied Chemistry Department
Frontier Research Institute for Materials Science
Nagoya Institute of Technology, Japan
kakimoto.kenichi@nitech.ac.jp

 

Doctoral Researchers

M.Sc. David Köllner
Institute of Glass and Ceramics
Materials Science Department
Friedrich-Alexander-Universität Erlangen-Nürnberg
david.koellner@fau.de

Associated Researchers

M.Sc. Swantje Simon (FAU): swantje.simon@fau.de

M.Sc. Patrizia Hoffmann (FAU): patrizia.hoffmann@fau.de

 

Publications

Energy Conversion Systems: From Materials to Devices (IGK 2495)
Institute of Glass and Ceramics (FAU)

Martensstr. 5
91058 Erlangen
Germany
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