Research Experience

Current position:
Senior Scientific Researcher, permanent position
Institute of Mineral Engineering, RWTH Aachen University
Head of the research group “Refractories”

Academic Education

1997
Graduation in Metallurgy and Materials Science at RWTH Aachen University
2003
PhD thesis, RWTH Aachen University
Since 2003
Head of the research group “Refractories” of the Institute of Mineral Engineering
Teaching responsibility at RWTH Aachen University for the courses
“Refractory Materials: Fundamentals and Properties” and
“Refractory Materials: Engineering and Testing”

Scientific Contributions

Number of publication: 32
Number of congress/conference contributions: 65
Number of patent applications: 1

Selected publications

1. Tonnesen Th., Dietrichs P., Telle R.: Linear Shrinkage, Resilience and Microstructural Changes in High-Temperature Insulating Wools (HTIW) in Maximum Use Temperature Range, Advances in Applied Ceramics 104 [5], 2005, p. 249-255.

2. Tonnesen Th.; Telle R.: Thermal Shock Damage in Castables: Microstructural Changes and Evaluation by a Damping Method, cfi / Ber. DKG 84, 2007, No. 9, E132-E136.

3. Rodrigues J., Miyaji D. Y, Tonnesen Th.: Fracture Energy and Thermal Shock Damage Resistance of Eutectic Aggregates Containing Castables, Ceramics International 40 [9], 15227-15239, 2014

4. Schnieder J.; Lynen L.; Traon N.; Telle R.; Tonnesen Th.: Crack Formation and Shape of Fracture Surface in Tabular Alumina Based Castables with Addition of Specific Aggregates, J. Ceram. Sci. Tech., 05 [02] 131-136, 2014

5. Traon, N., Tonnesen, Th., Telle, R.: Estimation of Damage in Refractory Materials after Progressive Thermal Shocks with Resonant Frequency Damping Analysis, J. Ceram. Sci. Tech., 07 [02] 165-172, 2016