DIL 402 CD Double/Differential Dilatometer

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1 E DIL 402 CD

2 DIL 402 CD Double/Differential Dilatometer Dilatometry Thermoanalytical methods are widely used in all fields of materials characterization. Especially in the areas of ceramics and glasses, metals and composites, thermal methods such as thermomechanical analysis and/or pushrod dilatometry yield crucial information for dimensional changes. Such information is important for the production of the materials and parts as well as for their later application. Thermal expansion Coefficient of thermal expansion Expansivity Volumetric expansion Density change Sintering temperatures and shrinkage steps Glass transition temperatures Softening points Phase transitions Influence of additives put. In the differential arrangement the system offers calibration corrected measurements in one run or improved long term drift stability. With two furnaces the temperature range between -180 and 1600 C is covered. The key advantages of the new DIL 402 CD compared to the standard dilatometers are: Pushrod dilatometry is a method for determination of dimensional changes versus temperature and time when the sample undergoes a controlled temperature program. The method is standardized (DIN EN 103, DIN EN 821, DIN EN 51045, ASTM E 831 or ISO 17562). The specific materials properties gathered from this are as follows: The newly developed DIL 402 CD offers highest performance for thermal expansion measurements. In double sample arrangement, the systems offers high sample through- Higher sample throughput Calibration corrected results in one run Accurately corrected Rate- Controlled-Sintering (RCS) tests Improved long term stability DIL 402 CD 2

3 The horizontal arrangement of the DIL 402 CD offers specific advantages regarding temperature profile over the sample, sample handling, or safety purposes. No convective heat transfer between the measuring system (transducer area) and the sample area will occur at low or high temperatures, generally causing increased drift and noise. Various sample geometries such as thin rods or plates can be measured in the horizontal arrangement without any problem. In case of sample decomposition or melting the transducer system is protected against contamination by design. The system allows measurement of samples between 0 and 25 mm long. The forced air or liquid-nitrogen cooled furnaces offer fast heating and cooling times and at the same time a homogeneous temperature profile over the sample. Motorized movement of the pushrods and automatic zeroing of both sample positions are standard features of the new system. ment. N E U!!! Spülgas Technical Specifications (subject to change) Temperature range: -180 C C, RT C (standard) (2 exchangeable furnace types) Heating and cooling rates: 0,01 K/min K/min (dependent on furnace) Sample holder: fused silica <1100 C Al 2 O 3 <1600 C Measuring ranges: 500/5000 µm Sample length: max. 25 mm Sample diameter: max. 6 mm l resolution: nm / 1.25 nm Atmospheres: inert, oxidizing, reducing static and dynamic Gas flow meter and valve for purge gas (optional) c-dta for the calculated DTA-signal from dilatometer measurements for one sample, ideal for temperature calibration (optional) Highly vacuum-tight up to 10-4 mbar (10-2 Pa) Coupling to QMS 403 C Aëolos over a heatable adapter at the exit of the furnace 3

4 DIL 402 CD - Proteus -Software The DIL 402 CD runs under Proteus Software on MS Windows. The Proteus Software includes everything you need to carry out a measurement and evaluate the resulting data. Through the combination of easy-to-understand menus and automated routines, a tool has been created that is extremely user-friendly and, at the same time, allows sophisticated analysis. The Proteus software is licensed with the instrument and can of course be installed on other computer systems. General Software Features: Windows Software: fully compatible with other Microsoft Windows programs Multi-tasking: simultaneous measurement and evaluation Multi-moduling: operation of different instruments with one computer Combined analysis: comparison and/or evaluation of DSC, TG and TMA and DMA measurements in one plot Labeling: input and free placement of text elements Calculation of 1st and 2nd derivative Selectable scaling Graphic and data export Selectable colors and line types Storage and restoration of analyses Macro recorder (option) Context-sensitive help system Temperature calibration Compatible with advanced software packages (Peak Separation, Thermokinetics) N E U!!! 4

5 Dilatometer Analysis Features Plotting of the absolute or relat ive expansion/shrinkage curves, independently for two different samples or as a difference of two samples Various correction options: - correction of the system s own expansion behavior with either a calibration measurement or sample holder correction - - offset correction - online correction by comparative measurements with standard sample Semi-automatic routines for determination of onset, peak and end temperatures Glass transitions and dilatometric softening points Analyses in accordance with DIN (German standards) Automatic softening point detection Derivation of curves for determination of the temperatureor time-dependent linear expansion rates Expansion coefficients: calculation and graphic presentation of the technical and physical expansion coefficients Analysis of sintering temperatures Automatic determination of the shrinkage during a sintering step Rate-controlled temperature guidance for optimization of sintering, unique option for "corrected RCS" through usage of a standard sample in differential mode (RCS option) c-dta for determination of endo- and exothermal effects of a sample 5

6 DIL 402 CD The Solution Application Fields Expansion measurements at two samples, sample comparisons and differential measurements with a calibration standard are the application fields of the new double and differential dilatometer. A higher sample throughput for routine applications and an easy and fast calibration are the interesting aspects of this new instrument concept. Tiles with different expansion behavior Two colored tiles were simultaneously heated at 3K/min to 1100 C. The curves for the relative expansion of these fired tiles show significant differences in expansivity and quartz content (>567 C). The Proteus software allows a graphic display of the expansion difference in a separate curve. Corrected test on a Glass: Determination of coefficients of thermal expansion, the glass transition temperature or the dilatometric softening point are key properties of glass materials. Such properties have to be known for each glass batch to make sure that the composition is the same. Measurement of these parameters can be fast and reliable employing pushrod dilatometry. 6

7 DIL 402 CD - Accessories and Customer Support DIL - Accessories Cooling thermostat for temperature stabilization of the dilatometer measuring system, independent of external water connection Heated adapter for coupling the QMS 403 C Aëolos via heated quartz glass capillary Vernier calipers for online input of the sample length Various vacuum pumps, including turbomolecular pumps for creation of the purest gas atmospheres or for dilatometer measurements under vacuum Protective sleeves for sample thermocouples Protective containers for aggressive samples Automatic nitrogen supply for cooling of the low temperature furnace Sample preparation machines Global Customer Support & Service Network State-of-the-art technology combined with optimum customer support are the trademarks of NETZSCH. Our training department provides a complete range of programs tailored to the needs of our customers in research, education and industry. A wide range of different seminars, users meetings, or individual training programs are available to assist you in achieving optimum performance and benefit from your thermal analysis system. NETZSCH is the fastest-growing company in the field of thermal analysis and thermophysical prop- erties testing in the world. This can be attributed not only to our superior technology and quality, but also to our unmatched pre- and after-sales service network. NETZSCHcertified staff at 45 service centers the world over provide fast and reliable customer support including qualified installation and calibration services and maintenance contracts. Finally, our applications laboratories offer contract testing and support on even the most specific of questions. 7

8 DIL 402 CD optimum for your application The new DIL 402 CD is the ideal tool for the tasks in your laboratory. It offers highly reliable results for Product development Quality control Failure analysis The DIL 402 CD offers robust design, easy handling, a wide range of accessories and highly accurate results. It offers optimum measurement performance for your material improvement and competitive advantages of your products. Knowledge of the thermal behaviour is critical to material development and design in every modern industry. Accurate and efficient measurement of the thermophysical properties, however, requires state-of-the-art instrumentation such as that produced by NETZSCH. The DIL 402 C series, DSC 404 C Pegasus, LFA 4x7 flash analyzers, STA 409 PC, STA 449 C Jupiter, TCT 426, GHP 456 Titan and HFM 436 form the core of the NETZSCH thermal properties series instruments. Properties such as linear expansion or coefficients of thermal expansion, phase transition temperatures and enthalpies, specific heat, thermal diffusivity and conductivity, mass changes and decomposition behaviour can be easily analyzed using these instruments. NGB DSC 209 F3 E LH NETZSCH-Gerätebau GmbH D Selb/Bavaria Wittelsbacherstraße 42 Phone: Fax: at@ngb.netzsch.com