Dawson, A; Maxwell, A S (2015) Towards a quantitative methodology for measuring micro and nanoscale transition properties for heat transfer modelling in thermal devices and materials. In: 21st International Workshop on Thermal Investigations of ICs and Systems (THERMINIC), 30 September - 2 October 2015, Paris, France.

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Abstract

Quantitative data is needed to accurately model heat transfer behaviour of polymers and polymeric components for the design of thermal devices and materials such as Thermal Interface Materials (TIM). Thermomechanical tests can provide melting point and glass transition temperature values. This requires thermal measurement at micro and nanoscales, where the key technique is Scanning Thermal Microscopy (SThM), but this remains a highly qualitative approach. Understanding the uncertainties involved when making a measurement provides part of the route to producing quantitative rather than qualitative results. A review to identify test parameters, physical properties and measurands for SThM is described. Uncertainties for these terms and methodologies for measurement of uncertainties are identified based on current information available. Preliminary uncertainty analyses with demonstration data are developed for SThM measurement systems and measurands based on current uncertainties methodologies, the review undertaken and current information available. Future work to develop the quantification process is described.

Item Type:	Conference or Workshop Item (UNSPECIFIED)
Keywords:	polymer, glass transition temperature, melting point, scanning thermal microscopy, microscale, heat transfer
Subjects:	Advanced Materials Advanced Materials > Polymers Advanced Materials > Thermal Analysis of Materials
Identification number/DOI:	10.1109/THERMINIC.2015.7389642
Last Modified:	02 Feb 2018 13:13
URI:	http://eprintspublications.npl.co.uk/id/eprint/6976

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