This document establishes a method for determination of the thermal conductivity of solid unfilled and filled or fibre reinforced plastics and composites by means of differential scanning calorimetry (DSC). It is applicable for materials with thermal conductivities of up to 1 W/(m·K).
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Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and substances
5.1 DSC instrument
5.2 Crucibles
5.3 Melting substance
5.4 Protective lacquer
5.5 Length measuring device
6 Specimens
6.1 Geometry
6.2 Number and sampling
7 Conditioning
8 Calibration
9 Measurement procedure
9.1 Preparation of crucibles
9.2 Use of thermal contact substances
9.3 Measurement of melting substance
9.4 Evaluation of the slope of the peaks of the melting substance
10 Calculation of thermal conductivity
11 Service life of crucibles upon using gallium as melting substance
12 Precision and bias
13 Test report
Annex A Interlaboratory determination of thermal conductivity measured by means of DSC (informative)
ISO 11357-1:2016 Plastics -- Differential scanning calorimetry (DSC) -- Part 1: General principles
ISO 291:2008 Plastics -- Standard atmospheres for conditioning and testing
ISO 472:2013 Plastics -- Vocabulary
ISO 11357-1:2016 Plastics -- Differential scanning calorimetry (DSC) -- Part 1: General principles
ISO 291:2008 Plastics -- Standard atmospheres for conditioning and testing
ISO 472:2013 Plastics -- Vocabulary
ISO 6344-1:1998 Coated abrasives -- Grain size analysis -- Part 1: Grain size distribution test