Interactive Resource icon  Effect of Oxide Film on the Brightness

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Description: The oxide's thickness and composition are important and can be changed via surface treatments. In these experimental examples, the oxide thickness has been increased via anodising. Generally, the higher the total reflectance in the visible light range (400-700 nm), the brighter the surface appears. This interactive animation shows the effect of varying oxide thickness on the total reflectance (TR), its minimum and maximum.
Keywords: oxide thickness • visible light • total reflectance • optical • amorphous alumina
Categories: Materials > Metals & alloys > Aluminium & alloys
Processes > Surface treatments
Properties > Electrical, magnetic & optical > Optical
Created by: MATTER, The University of Liverpool
Iris De Graeve, Vrije Universiteit Brussel (VUB)
Herman Terryn, Vrije Universiteit Brussel (VUB)
Contributions: Marc Ryckeboer, Sapa
Christophe Sigli, Alcan Centre de Recherches de Voreppe
Hugh Shercliff, University of Cambridge
Published by: European Aluminium Association, Brussels
License: This resource is released under the Creative Commons Attribution Non-Commercial No Derivatives license (2.0 UK: England & Wales).
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Date created: 27 July 2004
Date added: 21 December 2009
Resource ID: 2603