Dilatometers

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Dilatometers (DIL) are used to measure the dimensional change of a material (ceramics, glasses, metals, composites, carbon/graphite, minerals, polymers, and others) as a function of temperature.

A standard dilatometer test determines both reversible and irreversible changes in length (expansion and shrinkage) during heating and cooling, and pinpoints where reactions occur that cause expansion or contraction.

An Orton dilatometer can be used to determine Coefficient of Thermal Expansion (CTE), softening point, glass transition temperature, curie point, crystalline transformation, phase transition, shrinkage, warping, bloating, sintering rate, and stress relaxation. With a dilatometer, test samples are quickly and easily measured for determining firing ranges and firing schedules, measuring thermal expansion ranges for glaze fits, and measuring thermal expansion ranges for R&D, QC or product certification.

Horizontal Orton Dilatometers (ASTM-E228)

The main advantage of the horizontal system is the uniform temperature zone for the sample. Most tests are performed with a horizontal unit.

The sample is positioned between the end of the sample holder and the probe rod. After positioning the sample in the sample holder, the furnace is moved horizontally to cover the sample and sample holder.

The probe rod extends from the end of the sample, through the sample holder tube, and connects to the displacement sensor assembly outside the furnace. The probe rod is under load outside the furnace to keep it in constant contact with the sample, even when shrinking.

Computer Analysis

Every Orton dilatometer is supplied with the application software to be installed on the enduser's PC in order to acquire, save and analyze the data generated. The Orton Dilatometer Software is written for Windows based personal computers. For Standard Horizontal dilatometers,the software allows the test to be remotely programmed and started.  It can be used to monitor the test in real time, or can be used to examine the data after the test cycle. The software imports the data through the USB interface and stores it on the hard drive for post-testing analysis.

Contact us today: baldwin@ortonceramic.com or Call 614-818-1330 to discuss your application.

Model 1410 B

Basic Dilatometer
RT - 1000°C

Model 1410 STD

Standard Dilatometer
RT - 1000°C

Model 1412 STD

Standard Dilatometer
RT - 1200°C

Model 1416 STD

Standard Dilatometer
RT - 1600°C

Model 2010 C

Cryogenic Dilatometer
(-)190°C - 500°C or RT - 1000°C

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