Interactive Resource icon  Corrosion Prevention: Introduction

 
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Description: Pure aluminium, being covered with a thin air-formed inert oxide, has by nature a high resistance against corrosion, as compared for example to steel. Unfortunately, certain environments are too aggressive for the native oxide to sustain and additional measures are called for. Furthermore, alloying of the metal, which is necessary for certain other properties such as mechanical strength, can be quite detrimental for the corrosion resistance. The aim of anti-corrosion surface treatments is to cover or replace the native aluminium surface with a stable surface layer, which shields and protects the metal from the corrosive elements in the environment. This animation presents various types of anti-corrosion surface treatments, such as electrolytic conversion, chemical conversion, organic film deposition and paint finishing.
Keywords: corrosion prevention • surface treatment • electrolytic conversion • chemical conversion • organic film deposition • paint finishing
Categories: Science approaches > Corrosion & degradation
Science approaches > Corrosion & degradation > Corrosion protection
Materials > Metals & alloys > Aluminium & alloys
Processes > Surface treatments > Painting and printing
Processes > Surface treatments > Surface coatings
Created by: MATTER, The University of Liverpool
Steven Meijers, Corus
Carlos Caicedo-Martinez, Corus
Contributions: Andreas Blistein, Alcan
Herman Terryn, Vrije Universiteit Brussel (VUB)
Iris De Graeve, Vrije Universiteit Brussel (VUB)
Marc Ryckeboer, Sapa
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: 10 October 2005
Date added: 07 July 2010
Package:
Resource ID: 2874