The behaviour of materials as a function of temperature is investigated in the Thermal Analysis facility, where the major Thermal Analysis techniques involving the measurement of mass, temperature, heat flow and dimensions are available. With the exception of dilatometry, where a solid specimen is required, typical samples need only be a few mg and can be in bulk, powder or liquid form.

 

Netzsch 'Jupiter' simultaneous DSC/TGA instrument, Stanton Redcroft 780 series, simultaneous DTA/TGA instrument

These instruments conduct both Differential Scanning Calorimetry and Thermogravimetric Analysis simultaneously.  This enables the investigation of processes that involve a gas, and therefore result in a mass change, such as dehydration, decomposition, oxidation/reduction, thermal stability etc.,  as well as structural processes such as phase transitions, glass transitions, changes of state and crystallisation which have no change in mass.


Netzsch 402E dilatometer
Netzsch 402E dilatometer

Changes in the dimensions of a specimen are detected by a transducer and these changes are then measured as a function of temperature during a controlled temperature regime.

Dilatometry is commonly used to determine the coefficient of linear thermal expansion of materials and to investigate phase transitions, glass transitions and for sintering studies.

All of these instruments have a nominal maximum temperature of 1500°C and experiments can be conducted under a variety of atmospheres.

CASC - Centre for Advanced Ceramics
The Department also houses the high temperature thermal analysis facility of the Centre for Advanced Structural Ceramics (CASC). This facility is equipped with a DTA/TGA instrument and a Laserflash apparatus for thermal diffusivity and thermal conductivity, both capable of measurements up to 2000°C, as well as a dilatometer up to 2400°C.

Thermal Analysis help and support

  • Professor Stephen Skinner

    Professor Stephen Skinner, Department of Materials, Imperial College London

    Personal details

    Professor Stephen Skinner Academic Lead, Thermal Analysis

    +44 (0)20 7594 6782

    Support with

    Academic research in Thermal Analysis

    Location

    Department of Materials
    Royal School of Mines
    Second Floor, 2.06

  • Mr Richard Sweeney

    Mr Richard Sweeney, Department of Materials, Imperial College London

    Personal details

    Mr Richard Sweeney Senior Research Officer, XRD,Thermal Analysis

    +44 (0)20 7594 6732

    Support with

    General enquiries, instrument specifications and Thermal Analysis analytical suitability and methodology

    Location

    Department of Materials
    Royal School of Mines
    Lower Ground Floor, LG61

  • Mr Garry Stakalls

    Mr Garry Stakalls, Department of Materials, Imperial College London

    Personal details

    Mr Garry Stakalls Technician

    +44 (0)20 7594 6770

    Support with

    CASC facilities

    Location

    Department of Materials
    Royal School of Mines
    Lower Ground Floor, LG03