Rides, M; Morikawa, J*; Halldahl, L*; Hay, B*; Lobo, H*; Dawson, A; Allen, C R G (2009) Intercomparison of thermal conductivity and thermal diffusivity methods for plastics. Polym. Test., 28 (5). pp. 480-489.

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Abstract

An intercomparison of measurements of the thermal conductivity and thermal diffusivity of two poly(methyl methacrylates) is reported. A wide variety of methods were used: temperature wave analysis, laser flash, transient plane source (Hot Disk), transient line-source probe, and heat flux meter methods. A very good agreement of thermal conductivity results, and separately of thermal diffusivity results, was obtained. Similarly, a good agreement between thermal conductivity and thermal diffusivity results, when converted using specific heat capacity and density values, was also obtained. Typically, the values were within a range of approximately ± 10%. Considering the significant differences between the methods and the requirements on specimen dimensions, the level of agreement was considered to be good.

Item Type:	Article
Keywords:	Thermal conductivity, Thermal diffusivity, Polymers, Plastics, Intercomparison
Subjects:	Advanced Materials Advanced Materials > Polymers
Last Modified:	02 Feb 2018 13:15
URI:	http://eprintspublications.npl.co.uk/id/eprint/5134

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