Project Description

Technological tests

Contact person: Pietro Bruzzi – bruzzi@centroceramico.it – Mobile: +39 340 6885491

  • Bulk Density ASTM C 134
  • Geometric bulk density ISO 1927-6
  • Bulk density and porosity ISO 1927-6
  • Geometric unit volume mass density ASTM C 134
  • Permanent dimensional variation under heating EN 993-10
  • Apparent specific gravity and bulk density ASTM C20
  • Permanent linear variation (24 h heating) ASTM C210
  • Bulk volume, bulk density, true density EN 1094-4
  • Bulk Density and Apparent Porosity UNI 993-1
  • Bulk Density, Apparent Porosity and True Porosity UNI 993-1
  • Pyrometric cone equivalent (refractoriness) UNI 993-12 (Tmax 1700 °c)
  • Creep in compression UNI EN ISO 1893
  • Permanent linear variation (5 h stay – Tmax 1000 °C)
  • Permanent linear variation (24 h sintering)
  • Permanent volume change (5 h stay – Tmax 1000 °C)
  • Sintering (temperature gradient: 500 °C) where not already provided for by the Standards
  • Fluage/creep (10 h)
  • Cold crushing strength ASTM C 133
  • Cold crushing strength ISO 1927-6
  • Cold crushing strength UNI 993-5
  • Cold modulus of rupture ASTM C 133
  • True density UNI EN 993-2
  • Modulus of rupture at ambient temperature UNI EN 993-6
  • Modulus of rupture at high temperatures UNI EN 993-7
  • Resistance to thermal shock UNI EN 993-11 method A
  • Determination of creep in compression ISO 3187 (Tmax 1700 °C) – 25 h
  • Creep in compression UNI EN 993-9 (Tmax 1700 °C) – 25 h


Chemical analysis and corrosion

Contact person: Andrea Bernasconi – bernasconi@centroceramico.it – Mobile: +39 345 8410333

Chemical analysis by ICP-OES UNI EN ISO 21587-1 and UNI EN ISO 21587-3

  • Refractory materials and equivalent (9 determinations)

Corrosion

  • Chemical resistance EN 993-1
  • Corrosion of refractories caused by liquids CEN/TS 15418


Surface texture characterisation; colour, reflectance measurements

Contact person: Barbara Mazzanti – mazzanti@centroceramico.it – Mobile: +39 340 9631182

Surface texture characterisation; colour measurements

  • Colour coordinates

Surface roughness and texture

  • Surface roughness measurement; determination of the parameters EN ISO 4287
  • 3D surface profile and/or imaging
  • Surface mapping
  • Data processing and 3D images of the surface


Mineralogical and microstructural characterisation, functional performance (thermal conductivity, photocatalysis, antibacterial, …)

Contact persons:

XRD analysis

  • XRD analysis (with or without interpretation)
  • Quantitative XRD

Microscopic analysis

  • SEM observation
  • EDS Microanalysis
  • Stereomicroscope observation
  • Optical microscope observation
  • Images
  • Quantitative microscopic analysis (porosity and pore/grain size distribution, etc.

Thermal conductivity and firing behaviour

  • Thermal conductivity (direct or indirect measurement from thermal diffusivity and specific heat)
  • Pyroplastic deformation

Photocatalysis and resistance to mould, bacteria; cleanability and durability

  • Durability tests for surface treatments/finishes/functionalisation


Thermal analysis, density

Contact person: Giovanni Ridolfi – ridolfi@centroceramico.it – Mobile: +39 345 9317030

Thermal analysis

  • Heating microscope
  • DTA up to 1200 °C
  • DTA up to 1200 °C and back&
  • DTA up to 1500 °C
  • DTA up to 1500 °C and back
  • TG
  • TG + DTA and back
  • TG + DTA

Density

  • Determination of the density by helium pycnometer

Dilatometry

  • Thermo dilatometric analysis (green), heating up to 1200 °C and cooling
  • Thermo dilatometric analysis, heating up to 1500 °C
  • Thermo dilatometric analysis, heating up to 1500 °C and cooling
  • Coefficient of linear thermal expansion ASTM E 831
  • Reversible expansion at operating temperature


Mechanical characterisation

Contact person: Barbara Mazzanti – mazzanti@centroceramico.it – Mobile: +39 340 9631182

Bending strength

    • Bending strength and elastic modulus (fired specimens)
    • Bending strength and elastic modulus (green specimens)
    • Bending strength of 30 specimens with Weibull statistics