ISO 22007-2:2008
塑料.热传导率和热扩散率的测定.第2部分:瞬时平面热源(发热盘)法

Plastics — Determination of thermal conductivity and thermal diffusivity — Part 2: Transient plane heat source (hot disc) method

被代替

标准号

ISO 22007-2:2008

发布

2008年

发布单位

国际标准化组织

替代标准

ISO 22007-2:2015

当前最新

ISO 22007-2:2022

 

 

引用标准

ISO 22007-1 ISO 472

适用范围

1.1 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. 1.2 This method is suitable for testing homogeneous and isotropic materials, as well as anisotropic materials with a uniaxial structure. In general, the method is suitable for materials having values of thermal conductivity, λ, in the approximate range 0.01 W⋅m⋅K ＜ λ ＜ 500 W⋅m⋅K and values of thermal diffusivity, α, in the range 5 × 10 m⋅s ≤ α ≤ 10 m⋅s, and for temperatures, T, in the approximate range 50 K ＜ T ＜ 1 000 K. 1.3 The thermal-transport properties of liquids can also be determined, provided care is taken to minimize thermal convection.

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