Inductive Heating of Ceramic Matrix Composites (CMC) for High-Temperature Applications
Alexander Hackert,
Jonas H. M. Stiller,
Johannes Winhard,
Václav Kotlan,
Daisy Nestler
Affiliations
Alexander Hackert
Professorship Forming Technology, Department of Mechanical Engineering, Chemnitz University of Technology, 09107 Chemnitz, Germany
Jonas H. M. Stiller
Funded Research Group Textile Plastic Composites and Hybrid Compounds, Department of Mechanical Engineering, Chemnitz University of Technology, 09107 Chemnitz, Germany
Johannes Winhard
Funded Research Group Textile Plastic Composites and Hybrid Compounds, Department of Mechanical Engineering, Chemnitz University of Technology, 09107 Chemnitz, Germany
Václav Kotlan
Regional Innovation Centre for Electrical Engineering, University of West Bohemia, 306 14 Pilsen, Czech Republic
Daisy Nestler
Funded Research Group Textile Plastic Composites and Hybrid Compounds, Department of Mechanical Engineering, Chemnitz University of Technology, 09107 Chemnitz, Germany
The inductive heating of a CMC susceptor for industrial applications can generate very high process temperatures. Thus, the behavior of a silicon carbide-based matrix with carbon-fiber-reinforced carbon (C/C-SiC) as a susceptor is investigated. Specifically, the influence of fiber length and the distribution of carbon fibers in the composite were investigated to find out the best parameters for the most efficient heating. For a multi-factorial set of requirements with a combination of filling levels and fiber lengths, a theoretical correlation of the material structure can be used as part of a digital model. Multi-physical simulation was performed to study the behavior of an alternating magnetic field generated by an inducing coil. The simulation results were verified by practical tests. It is shown that the inductive heating of a C/C-SiC susceptor can reach very high temperatures in a particularly fast and efficient way without oxidizing if it is ensured that a silicon carbide-based matrix completely encloses the fibers.
