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Optical properties of Pyromark 2500 coatings of variable thicknesses on a range of materials for concentrating solar thermal applications

Coventry, Joseph; Burge, Patrick


In this paper we present the results of solar absorptance measurements of four metallic substrate materials, either coated with Pyromark 2500 at various thicknesses, or uncoated and oxidised. Absorptance is measured prior to aging, and during and after aging at three elevated temperatures. In many cases, thin coatings perform as well, or better than thick coatings and do not appear to have a higher rate of failure. However, a thicker coating did show an advantage after aging at the highest...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Conference paper
Source: Proceedings of the 22nd SolarPACES 2016 International Conference
DOI: 10.1063/1.4984355


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