Non-destructive Testing of ceramics and composites

The following methods are available for non-destructive testing:

  • Computer tomography (225 kV and 450 kV radiation source)
  • Constructions for mechanical testing during computer tomography
  • Water and air-coupled ultrasound measurement
  • Thermography (Lockin and thermal imaging)
  • Terahertz technology
  • Radioscopy

With the non-destructive testing, nearly all monolithic materials (ceramics, plastics, metals) and composite materials can be analyzed. Fraunhofer-Center HTL has extensive experience in testing and evaluating serial parts for industrial customers. In addition to non-destructive testing, detailed structural studies of materials in the different stages of production can be carried out by e.g. examining polished sections by optical and electron microscopy. If required, we adapt the non-destructive testing methods or the algorithms for data evaluation to customer-specific requirements (see Material Testing). The non-destructive testing methods can also be combined with strength tests to quantify the effects of component defects (see Mechanical Testing).

Our Services:

  • Non-destructive testing of samples and components with dimensions smaller than 50 µm up to 700 mm in diameter and 2000 mm height
  • Dimensional and damage analysis of components
  • Volumetric structural analysis with a resolution of 2 µm using micro-computed tomography
  • Failure analysis and lifetime prediction by comparative computer tomography measurements of components before and after stress tests
  • In-situ analysis of thermal, mechanical or chemical stresses by computer tomography and thermography
  • Examination of small series and creation of failure catalogues
  • Microscopic analysis of polished sections by optical and scanning electron microscopy
  • Interpretation of the resulting data
  • Preparation of test reports

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Non-Destructive Testing Methods


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Computer Tomography