Innovative Pre-Treatment Techniques to Prevent Corrosion of Metallic Surfaces

Edited by

  • L Fedrizzi, University of Udine, Italy
  • H Terryn, Vrije Universiteit Brussels, Belgium
  • A Simoes, Technical University of Lisbon, Portugal

There has long been a need for effective pre-treatment techniques to prevent corrosion of metallic surfaces. This important volume discusses key research on the development of pre-treatment techniques for a range of metals. Chapters review various coatings and preparation methods for aluminium and aluminium alloys such as silane films, sol-gel coatings and magnesium-rich primers. Further chapters discuss the pre-treatment methods for steel, copper and magnesium alloys. The book also assesses methods for monitoring the effectiveness of pre-treatments, covering dissolution-precipitation mechanisms and their electrochemical behaviour.

Innovative pre-treatment techniques to prevent corrosion of metallic surfaces is a valuable reference for all those concerned with corrosion problems and the use of pre-treatment techniques in the coatings industry.
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All those concerned with corrosion problems and the use of pre-treatment techniques in the coatings industry


Book information

  • Published: August 2007
  • Imprint: Woodhead Publishing
  • ISBN: 978-1-84569-365-7

Table of Contents

Silane films for pre-treatment of aluminium: Film formation and curing; EIS investigation of the behaviour in 0.1 M NaCl of a double layer cerium - silane pre-treatment on Al 2024-T3; Deposition of ZrO2 on Al 1050 alloy as an adhesion promoter: Two preparation routes; Sol-gel coatings for pitting corrosion resistance of AA 2024-T3 aluminium alloy; Mg-rich primer for chromate-free protective systems on Al 2024 and Al 7075; Importance of the near-surface region in the surface pre-treatment of rolled recycled aluminium; Corrosion studies and analytical characteristics of galvanised steel substrates pretreated with doped silane solutions; Electrochemical evaluation of protection methods for galvanised steel using passivation treatments without hexavalent chromium; The effect of cerium nitrate on the corrosion behaviour of electrogalvanised steel substrates, evaluated by XPS and SVET; Inhibition of corrosion of zinc by Cr(VI) and Cr(III) treatments; Use of surfactant to develop an aqueous conversion coating: Zinc heptanoate Zn(C7)2; Effect of silane solution concentration on the anticorrosive protection of pretreatments applied on steel; In situ monitoring of dissolution-precipitation mechanisms using coupled quartz crystal microbalance/atomic emission spectroelectrochemistry; Silane pretreatments on copper to improve the adhesion of organic coatings; Improvement of corrosion resistance of Mg alloys by physical and chemical surface treatment; Electrochemical behaviour of Mo, MoTi and MoNb thin films obtained by PVD.