Plastics. Determination of thermal conductivity and thermal diffusivity. Part 6: Comparative method for low thermal conductivities using a temperature-modulation technique (ISO 22007-6:2014)
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ISO 22007-6:2014 specifies a modulated temperature method realizing the measurement of thermal conductivity. An input of temperature deviation is less than 1 K, and a double lock-in method is applied to amplify the small temperature modulation. ISO 22007-6:2014 specifies the method to determine the thermal conductivity in the range from 0,026 W/mK to 0,6 W/mK.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test specimens
6.1 Measuring temperature
6.2 Geometry of the probe material
6.3 Specimen area size
6.4 Specimen thickness
7 Procedure
8 Expression of results
8.1 Graphical presentation
8.2 Verification
9 Test report
Annex A Results of thermal conductivity of cellular plastics (informative)
ISO 22007-1:2009 Plastics -- Determination of thermal conductivity and thermal diffusivity -- Part 1: General principles
ISO 22007-3:2008 Plastics -- Determination of thermal conductivity and thermal diffusivity -- Part 3: Temperature wave analysis method
ISO 472:2013 Plastics -- Vocabulary
ISO 22007-1:2009 Plastics -- Determination of thermal conductivity and thermal diffusivity -- Part 1: General principles
ISO 22007-3:2008 Plastics -- Determination of thermal conductivity and thermal diffusivity -- Part 3: Temperature wave analysis method
ISO 472:2013 Plastics -- Vocabulary
ISO 80000-5:2007 Quantities and units -- Part 5: Thermodynamics
ISO/TR 22007-5:2011 Plastics -- Determination of thermal conductivity and thermal diffusivity -- Part 5: Results of interlaboratory testing of poly(methyl methacrylate) samples