Thermal measuring and testing – Differential thermal analysis
Patent
1992-09-09
1994-03-22
Cuchlinski, Jr., William A.
Thermal measuring and testing
Differential thermal analysis
374 33, G01N 2520, G01K 1700
Patent
active
052957454
ABSTRACT:
The calorimeter comprises an external accommodating head (23) with two cavities (26, 27) which are capable of receiving a measurement cell (29), in which the specimen to be examined is inserted, and a reference cell (31); the cells (29, 31) are surrounded by a thermoresistor (229), the variation of the resistance of which is determined by a temperature variation, and a heater (129). The two cavities (26, 27) are closed by covers (35, 37) traversed by tubular stems (47-49) capable of supporting the cells (29, 31) for the insertion, into one of them, of a specimen contained in a tubular container (53), which is immersed in a chamber (29A) in which a fluid having high thermal conductivity is present; said cavities (26, 27) are reached by conduits (41, 43; 45) so as to be subjected to vacuum or to controlled pressure using replaceable gases (air, hydrogen, etc.).
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Cassettari Mario
Papucci Fabio
Salvetti Giuseppe
Tombari Elpidio
Veronesi Stefano
Bennett G. Bradley
Consiglio Nazionale delle Richerche
Cuchlinski Jr. William A.
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