BS EN ISO 22007-4:2024
Current
The latest, up-to-date edition.
Light flash methodPlastics. Determination of thermal conductivity and thermal diffusivity
Hardcopy , PDF
English
23-01-2024
Committee |
PRI/21
|
DocumentType |
Standard
|
Pages |
24
|
PublisherName |
British Standards Institution
|
Status |
Current
|
Supersedes |
This document specifies a method for the determination of the thermal diffusivity of a thin solid disc of plastics in the thickness direction by the light flash method. This method is based upon the measurement of the temperature rise at the rear face of the thin-disc specimen produced by a short energy pulse on the front face. The method is applicable to homogeneous solid plastics as well as composites having an isotropic or orthotropic structure. In general, it covers materials having a thermal diffusivity, ?, in the range 1×10?7m2?s?1
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