This instrument is used to detect the high-temperature expansion properties of solid inorganic materials and metal materials, especially corundum, refractory materials, precision casting shell and core materials, ceramics, ceramic raw materials, porcelain clay, glaze, glass, graphite, carbon and other inorganic materials and metal products. It provides a testing method for scientific research and teaching. This instrument can be used to complete the study of sample linear variables, linear expansion coefficient, bulk expansion coefficient, rapid thermal expansion, softening temperature, sintering kinetics, glass transition temperature, phase transition, density change, sintering rate control (RCS), and their variation curves.
PCY-G high-precision high-temperature thermal expansion instrument(Thermal expansion coefficient tester)
1、 Overview:
This instrument is used to detect the high-temperature expansion properties of solid inorganic materials and metal materials, especially corundum, refractory materials, precision casting shell and core materials, ceramics, ceramic raw materials, porcelain clay, glaze, glass, graphite, carbon and other inorganic materials and metal products. It provides a testing method for scientific research and teaching. This instrument can be used to complete the study of sample linear variables, linear expansion coefficient, bulk expansion coefficient, rapid thermal expansion, softening temperature, sintering kinetics, glass transition temperature, phase transition, density change, sintering rate control (RCS), and their variation curves.
also applicable toGB/T 7320 "Test Method for Thermal Expansion of Refractory Materials"GB/T3810.8-2016 Determination of Linear Thermal Expansion of Ceramic Bricks, GB/T16920-1997 Determination of Average Linear Thermal Expansion Coefficient of Glass,GB/T3074.4-2016 Determination of coefficient of thermal expansion (CTE) of graphite electrodes. It also meets the requirements of the National Food and Drug Administration's YBB00282002 "Linear Thermal Expansion Coefficient Test" for pharmaceutical packaging materials.
2、 Main technical parameters:
1. The maximum furnace temperature is 1200 ℃, 1400 ℃, and 1700 ℃, which can be selected by the customer.
2. Heating rate: 0～100 degrees/minute adjustable, temperature controlled by computer program.
3. The computer automatically calculates the coefficient of expansion, volumetric expansion coefficient, and linear expansion.
4. Automatically calculate compensation coefficient and compensate automatically, or manually correct (online).
5. Automatically record, store, and print data, and print temperature expansion coefficient curves. The temperature spacing can be freely set, with a minimum spacing of 1 ℃.
6. The deformation measurement adopts high-precision grating microsensor, with a measurement range of ± 12.7mm. The measurement range of expansion value is large, and the sample adjustment range is increased.
7. Measurement expansion value resolution: 0.1um, accuracy 0.2um, automatic calibration range.
8. Resolution of thermal expansion coefficient: 0.001 ×10-6/℃,System measurement error: ± 0.1%.
9. Sample range (2)～15）×（2～15）×（20～150）mm, Both square and circular shapes are acceptable.
10. Adopting imported linear bearings for transmission, achieving frictionless transmission of expansion values, with good transmission accuracy and repeatability.
11. Power supply voltage: 220V ± 10%, 2KW.
12. The instrument is equipped with a standard computer interface that can be connected to a general-purpose computer. All experimental operations are completed through the computer interface, making it easy to learn and provide a complete set of software.
13. Grating high-precision microsensor and data processing system for detecting expansion deformation.
