ISO 22007-4:2008
塑料.热传导率和热扩散率的测定.第4部分:激光闪光法

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

被代替

标准号

ISO 22007-4:2008

发布

2008年

发布单位

国际标准化组织

替代标准

ISO 22007-4:2017

当前最新

ISO 22007-4:2024

 

 

引用标准

ISO 22007-1 ISO 291 ISO/IEC GUIDE 98-3

适用范围

1.1 This part of ISO 22007 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. 1.2 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 m⋅s ＜ α ＜ 1 × 10 m⋅s. Measurements can be carried out in gaseous and vacuum environments over a temperature range from − 100 °C to + 400 °C.

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