Thermal conductivity of refractory glass fibres

MODARRESIFAR, Farid, BINGHAM, Paul and JUBB, Gary (2016). Thermal conductivity of refractory glass fibres. Journal of Thermal Analysis and Calorimetry, 125 (1), 35-44.

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In the present study, the current international standards and corresponding apparatus for measuring the thermal conductivity of refractory glass fibre products have been reviewed. Refractory glass fibres are normally produced in the form of low-density needled mats. A major issue with thermal conductivity measurements of these materials is lack of reproducibility in the test results due to transformation of the test material during the test. Also needled mats are inherently inhomogeneous, and this poses additional problems. To be able to compare the various methods of thermal conductivity measurement, a refractory reference material was designed which is capable of withstanding maximum test temperatures (1673 K) with minimum transformation. The thermal conductivity of this reference material was then measured using various methods according to the different standards surveyed. In order to compare different materials, samples have been acquired from major refractory glass fibre manufacturers and the results have been compared against the newly introduced reference material. Materials manufactured by melt spinning, melt blowing and sol–gel have been studied, and results compared with literature values.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Engineering Research
Identification Number:
Page Range: 35-44
Depositing User: Paul Bingham
Date Deposited: 20 Apr 2016 09:13
Last Modified: 18 Mar 2021 00:35

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