TOM_wave is a new measuring system for the detection of material properties at high temperatures. The device is based on the experience the Fraunhofer-Center HTL has gathered with the known devices of the series of thermo-optical measuring systems (TOM) and combines a high-temperature furnace (1800 °C) and a CO2 laser (600 W). The furnace is used to reach the base temperature - in a controlled atmosphere - the laser is used for further short-term heating of the samples to generate special measurement signals. The measurement signals are recorded with pyrometers and microphones. TOM_wave uses disc-shaped samples with a volume of about 10 to 20 cm³. With an automatic sample changer, 5 samples are measured in one temperature cycle. Refractory materials, ceramics, composites, metals or glasses can be analyzed with TOM_wave.


The following thermomechanical and optical material properties are measured after completion of the test operation:

  • Thermal shock resistance
  • Resistance  to thermocycling
  • Thermal conductivity
  • Dynamic modulus of elasticity
  • Coefficient of thermal expansion
  • Heat capacity
  • Spectral and integral emissivity

Our Services:

  • Analysis of the thermomechanical properties of high-temperature materials
  • Temperature range from room temperature to 1800 °C in a controlled atmosphere
  • Measurement of thermal shock and thermocyclic resistance in custom temperature cycles
  • Non-contact measurement of the thermal diffusivity (radial and axial)
  • Measuring other parameters such as specific heat, thermal conductivity, emissivity

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