EN ISO 22007-2:2022
塑料.导热系数和热扩散系数的测定.第2部分:瞬间平面热源(热盘)法

Plastics - Determination of thermal conductivity and thermal diffusivity - Part 2: Transient plane heat source (hot disc) method (ISO 22007-2:2022)

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标准号

EN ISO 22007-2:2022

发布

2022年

发布单位

欧洲标准化委员会

当前最新

EN ISO 22007-2:2022

 

 

适用范围

This document specifies a method for the determination of the thermal conductivity and thermal diffusivity, and hence the specific heat capacity per unit volume of plastics. The experimental arrangement can be designed to match different specimen sizes. Measurements can be made in gaseous and vacuum environments at a range of temperatures and pressures. This method gives guidelines for testing homogeneous and isotropic materials, as well as anisotropic materials with a uniaxial structure. The homogeneity of the material extends throughout the specimen and no thermal barriers (except those next to the probe) are present within a range defined by the probing depth(s) (see 3.1). The method is suitable for materials having values of thermal conductivity, λ, in the approximate range 0,010 W∙m−1∙K−1

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