2579966

ISO 22007-4:2024

Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Light flash method

standard by International Organization for Standardization , 01/01/2024

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Full Description

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, α, in the range 1 × 10−7 m2⋅s−1 < α < 1 × 10−4 m2⋅s−1. 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.
 

Product Details

Published:
01/01/2024
File Size:
1 file , 1.3 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 22007-4:2024

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    Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Light flash method

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  2. ISO 22007-4:2017


    Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method

    • Historical Version

  3. ISO 22007-4:2008


    Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method

    • Historical Version