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Thermal Expansion and Phase Transition Analyzer

Published: 1/6/2025

Analyzer for measuring thermal expansion coefficients, critical temperatures, and phase transitions of metals, ceramics, refractories, and other solids using the dilatometric method. Suitable for R&D and quality control in laboratories and manufacturing environments, including continuous cooling transformation (CCT) analysis.

Product Description

The Thermal Expansion and Phase Transition Analyzer employs a dilatometric method to quantify linear expansion, determine critical transformation temperatures, and analyze phase changes across a wide range of solid materials such as corundum, refractories, investment casting shells, and cores. It supports both heating and controlled cooling processes, enabling comprehensive characterization including continuous cooling transformation (CCT) curve acquisition and analysis.

The system provides configurable heating rates and multiple cooling strategies to match diverse test protocols, with digital indication of expansion and high-resolution displacement measurement. Optional vacuum and controlled-atmosphere capabilities extend applicability to oxidation-sensitive materials, while automated analysis software streamlines data processing and reporting.

Technical Specifications

ParameterSpecification
Maximum Furnace Temperature1000 ℃ (optional 1400 ℃)
Maximum Temperature For Cooling Curve1000 ℃ (optional 1200 ℃)
Temperature Accuracy< ±1 ℃
Heating Rateup to 5 ℃/min; rate settable; power control automatic/manual
Power Supply220 V ±10 %, 50 Hz
Maximum Power Consumption≤ 3.5 kW
Heating Methodsresistance furnace or induction heating (compatible)
Expansion Measurement Range0–5 mm
Expansion Measurement Error±0.1% FS
Expansion Indicationdigital display
Expansion Resolution1 μm
Vacuum Capabilityoptional; vacuum limit 0.1 MPa; controlled-atmosphere vacuum up to 1×10^-3 Pa (specify on order)
Cooling Rates (Selectable)30 ℃/s, 100 ℃/s, 200 ℃/s
Cooling Media Optionsair, inert gas, liquid nitrogen
Sample Tube Materialsquartz, Al2O3
Test Functionsthermal expansion coefficient, phase transition temperature, continuous cooling curve (CCT)
Softwarefully automatic analysis software (Chinese interface)
CCT Analysiscritical temperature determination and continuous cooling curve analysis

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