Thermal measuring and testing – Determination of inherent thermal property – Thermal conductivity
Patent
1995-11-03
1998-01-27
Gutierrez, Diego F. F.
Thermal measuring and testing
Determination of inherent thermal property
Thermal conductivity
374 12, 374 10, G01N 2518, G01N 2500
Patent
active
057116040
ABSTRACT:
A method for measuring the coefficient of thermal conductivity of a solid sample material by: heating a meltable calibration sample having good thermal conductivity to its melting temperature by raising the temperature of an analyzer at a controlled rate and causing heat to flow through a path having a thermal resistance to the calibration sample, the heating being performed one time with the solid sample material interposed in the path so that heat flows through the path and through the solid sample material, and one time with the solid sample material removed so that heat flows only through the path; deriving thermal analysis curves each representing a relation between heat flow to the calibration sample and the controlled rate at which the analyzer temperature is raised, during melting of the calibration sample in respective performances of the heating step; and determining the coefficient of thermal conductivity of the solid sample material based on the solid sample material thickness and a characteristic of the thermal analysis curves at the melting temperature of the calibration sample.
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Gutierrez Diego F. F.
Seiko Instruments Inc.
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