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Dilatometers are used to measure the thermal expansion of a material. By measuring how much a material expands as a function of temperature, the thermal expansion co-efficient can be calculated. The thermal expansion co-efficient (typically expressed in m/m. degrees C) is a useful parameter to know if a material is going to be subject to large temperature variations in its service life. A dilatometer typically consists of a furnace to heat the test sample and a measuring device which may be mechanical or optical in nature.
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Equipment
Orton offers the DIL 2016 STD dilatometer, which is often used for Thermal Dilatometer Analysis (TDA).
Preiser Scientific's new 6000 Series of Plastometer/Dilatometer controllers provide for great flexibility by allowing two tests to be run with only one controller.
The vertical optical dilatometer Misura® ODHT from Expert System Solutions is a non-contact device specifically designed to handle thermo mechanical measurements following the process of sintering, expansion, or bloating of materials and analyzing the sample across the whole industrial firing cycle.
The horizontal optical dilatometer Misura® ODLT designed by TA Instruments was launched in the market after patenting in 2001.
Suitable for the widest range of routine thermal expansion measurements, the DIL 801 and DIL801L are horizontally configured single-sample dilatometers. The DIL 801 is designed for measurements under vacuum or inert gas while the DIL 801L is designed for measurements in air, making the DIL 801L ideally suited to measuring ceramic materials which are often processed in air.
TA Instruments’ DIL805A/D is a unique dilatometer designed for determining the deformation parameter and for creating continuous cooling, TTT-, and DTTT- diagrams.
Orton offers DIL 2010 STD dilatometer that is typically used for dilatometry or Thermal Dilatometer Analysis (TDA).
The DIL 2012 STD dilatometer available from Orton is used for Thermal Dilatometer Analysis (TDA), also called as dilatometry.
TA Instruments’ DIL 802/802L differential horizontal dilatometer has been specifically designed to provide accurate differential measurement. It measures the difference between the sample and the inert reference.
The TMA 801 operates in a vertical orientation, making it ideal for the analysis of sintering, RCS (rate controlled sintering), viscoelastic behavior and the determination of softening temperatures. The linear motor generates a constant throughout the experiment, ensuring that contact is maintained with the sample regardless of dimension change.
Orton dilatometers are designed to measure the dimensional changes of ceramics, glasses, metals, carbon composites, cermets, minerals, and polymers as a function of temperature.
Are higher sample throughput, direct comparison of samples, and online calibration of expansion measurements important requirements for you? With the new dilatometer DIL 402 CD we handle these tasks perfectly with our unique, new instrument concept.
When it comes to determination of the linear thermal expansion in solids, liquids, powders and pastes as well as ceramic fibers, the DIL 402 C vacuum-tight pushrod dilatometer leaves no measurement problem unsolved.
To maximize sample throughput, the DIL 803/803L offers two-sample simultaneous operation in a horizontal dilatometer. The DIL803/803L can also be operated with an inert reference sample for differential measurement, reducing the influence of measurement system expansion and increasing measurement accuracy under dynamic temperature conditions.
TA Instruments’ DIL 806 optical dilatometer is an advanced and versatile tool designed for thermal expansion and contraction measurements. It is perfectly suited for measuring thin, irregularly-shaped soft sample lengths without contact.