Cermalab

By: Cermalab  11-11-2011
Keywords: Modulus

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  • Full clay preliminary investigation: (XRF, XRD, rational analysis, plasticity, particle size distribution, extrusion evaluation, drying evaluation, green and fired strength, green and fired shrinkage, 4
    firing temperatures, water absorptions, fired colours)

  • Small scale production/pilot runs

  • Bulk density

  • Grain bulk density by mercury pycnometer

  • True relative density

  • Apparent porosity

  • True porosity

  • Apparent specific gravity

  • Plasticity index determination using Pfefferkorn/ BCRA apparatus/Atterberg

  • Particle size distribution by Andreasen pipette/ Hydrometer for sub 75 micron size

  • Particle size distribution by sieve size 5000 > 75 micron size

  • Modulus of Rupture (MoR) for transverse rupture (breaking stress) strength at room temperature,

  • Young’s Modulus by resonance technique

  • Ash fusion temperature (AFT)

  • Thermal analysis to 1000°C /Thermogravimetric analysis (DTA/TGA)

  • Furnace firings (up to 1200°C max.)

  • Hot Modulus of Rupture (HMoR) on fine ceramics

  • Hot Modulus of Rupture (HMoR) for high temperature strength up to 1500°C on refractories

  • High temperature creep to 1500°C

  • Loss on ignition (LOI)

  • Pyrometric cone equivalent (PCE) for refractoriness

  • Permanent linear change (PLC) up to1650°C

  • Rotary slag test

  • Refractoriness under load (RUL)

  • Sinter-probe evaluation or optimisation (simultaneous analysis and control of length/ mass/ temperature/ DTA for full sized components)

  • Slag pot test up to 1500°C to show resistance of refractory materials to slag attack

  • Thermal conductivity up to 1200°C

  • Thermal expansion in air to 1500°C

  • Thermal expansion in atmosphere up to 1200°C

  • Thermal expansion for glazes

  • Thermal shock resistance to show capacity for thermal cycling

  • Keywords: Modulus