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Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method
Translate name
STANDARD published on 1.3.2018
Designation standards: ČSN EN ISO 22007-4
Classification mark: 640142
Catalog number: 503795
Publication date standards: 1.3.2018
SKU: NS-808963
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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 laser 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 can be used for homogeneous solid plastics as well as composites having an isotropic or orthotropic structure. In general, it covers materials having a thermal diffusivity, alfa, in the range 1 × 10E-7 m2/s < alfa < 1 × 10E-4 m2/s. Measurements can be carried out in gaseous and vacuum environments over a temperature range from -100 °C to +400 °C. NOTE - For inhomogeneous specimens, the measured values can be specimen thickness dependent
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