Down to the Tiniest Detail

The development of new materials essentially relies on knowledge of the chemical and mineralogical composition of starting materials and finished products. This information permits conclusions regarding triggered reactions and resulting material formation processes.

The IAB uses the following methods for material analyses:

• X-ray fluorescence analysis (XRF)
• Thermogravimetry (TG)
• Differential scanning calorimetry (DSC)
• FT-IR spectroscopy
• Laser-induced plasma spectroscopy
• X-ray diff ractometry (XRD)

Structural analyses are performed by means of:

• Microscopy (digital and scanning electron microscopy)
• Mercury porosimetry
• Particle size analysis using laser granulometry or the sedigraph instrument

Material development aims to create defined chemical and physical characteristics to ensure the required functionality and durability of the finished product. Analyses and tests adopt a holistic view of building material systems, including classification of raw materials, consideration of the material formation process and the functionality of the finished product in use.

Selected services

Measurement of:

• Strength values (compressive, tensile, flexural tensile and adhesive strength)
• Acoustic characteristics (sound absorption and damping)
• Thermal insulation parameters (thermal conductivity, temperature-induced strain, water vapour diffusion and sorption)
• Chemical characteristics (chemical stability, reactivity and durability)
• Matrix characteristics (apparent, real and bulk density; pore content and distribution of pore radii; particle shape and particle size distribution)

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