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ILNAS-EN ISO 22007-4:2017
Edition
08/2017
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method (ISO 22007-4:2017)
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method (ISO 22007-4:2017)
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Abstract
ISO 22007-4:2017 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, 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.
Status
| Standard - Active |
Origin
| Technical Committee : |
| CEN/TC 249 : Plastics |
Implementation
| start of the vote on the project | 29/09/2016 | date of ratification (dor) | 17/06/2017 | |||
| end of the vote on the project | 16/12/2016 | date of anouncement (doa) | 30/11/2017 | |||
| start of the vote on the final project | 23/03/2017 | date of publication (dop) | 28/02/2018 | |||
| end of the vote on the final project | 16/05/2017 | date of withdrawal (dow) | 28/02/2018 |
|
Publication Official Journal
of the Grand-Duchy of Luxembourg |
01/02/2018 |
| Reference | Mémorial A N° 107 |
Relations
| Relations to older standards |
| ILNAS-EN ISO 22007-4:2012 |
| Relations to international standards |
| ISO 22007-4 |
| ISO 22007-4:2017 |
International Classification for Standards (ICS codes) :
| 83.080.01 : Plastics in general |
