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EVS-EN ISO 22007-2:2015

Plastics - Determination of thermal conductivity and thermal diffusivity - Part 2: Transient plane heat source (hot disc) method (ISO 22007-2:2015)

General information
Valid from 02.09.2015
Base Documents
ISO 22007-2:2015; EN ISO 22007-2:2015
Directives or regulations
None
Standard history
Status
Date
Type
Name
Main
prEN ISO 22007-2
02.09.2015
Main
05.03.2012
Main
This part of ISO 22007 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 is suitable 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 3.2 below). The method is suitable for materials having values of thermal conductivity, λ, in the approximate range 0,010 W⋅m−1⋅K−1 < λ < 500 W⋅m−1⋅K−1, values of thermal diffusivity, α, in the range 5 × 10−8 m2⋅s−1 < α < 10−4 m2⋅s−1, and for temperatures, T, in the approximate range 50 K < T < 1 000 K.
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