FIELD: testing equipment.
SUBSTANCE: claimed recording method of phase transfer in the material, under the pressure and temperature influence on it, wherein the pressure on the material is created by the gaseous medium effect, and phase transfer recording is performed according to gaseous medium pressure deviation caused by the material volume change. Thus, use the gaseous medium, which is inert respectly to the testing material.
EFFECT: improved accuracy and sensitivity of the phase transition recording, simplicity and compactness of the equipment, as well as the ability to determine phase transitions at high pressures and temperatures effect and achieve low inertia of the measurement system.
2 cl, 4 dwg
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