Scanning thermal microscopy techniques for polymeric thin films using temperature contrast mode to measure thermal diffusivity and a novel approach in conductivity contrast mode to the mapping of thermally conductive particles

Autor:	A.S. Maxwell, Angela Dawson, Martin Rides, Anthony R. Samano, Alexandre Cuenat
Rok vydání:	2015
Předmět:	Materials science Polymers and Plastics Organic Chemistry Analytical chemistry Scanning thermal microscopy engineering.material Conductivity Thermal diffusivity Thermal conductivity Coating engineering Particle Thin film Composite material Electrical conductor
Zdroj:	Polymer Testing. 41:198-208
ISSN:	0142-9418
Popis:	Advances in production are leading to increasing use of polymeric thin films in applications such as automotive bearings. Two approaches have been developed to study the thermophysical properties of these thin films: The first technique based on Flash theory uses a scanning thermal microscopy (SThM) tip in temperature contrast mode to measure thermal diffusivity over a nano-scale area. The SThM tip is in contact with the upper surface of the film to detect a heat pulse delivered by a microelectromechanical heater platform from the lower surface. The second technique is a conductivity contrast mode SThM based approach for measuring the size and distribution of thermally conducting particles in thin film polymeric coatings. Topographical and thermal conductivity data are combined to produce a “correlation analysis value” 3D particle map of the coating. Good practice and a case study are highlighted.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ca40aa8a596b05dc46f44e0e3a61fc00 https://doi.org/10.1016/j.polymertesting.2014.11.008 Zobrazit plný text záznamu Full Text from ScienceDirect