Chapter 2. Why Coatings Work and Why They Fail

  1. Dwight G. Weldon

Published Online: 13 MAR 2009

DOI: 10.1002/9780470744673.ch2

Failure Analysis of Paints and Coatings, Revised Edition

Failure Analysis of Paints and Coatings, Revised Edition

How to Cite

Weldon, D. G. (2009) Why Coatings Work and Why They Fail, in Failure Analysis of Paints and Coatings, Revised Edition, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470744673.ch2

Author Information

  1. Weldon Laboratories, Inc, PO Box 40, Imperial, PA 15126, USA

Publication History

  1. Published Online: 13 MAR 2009
  2. Published Print: 13 MAR 2009

ISBN Information

Print ISBN: 9780470697535

Online ISBN: 9780470744673

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Keywords:

  • fundamental factors making coatings work and those that cause them to fail;
  • primary chemical bonding of coating to a substrate and strength of bond;
  • state of minimum free energy and state of maximum entropy (disorder);
  • surface tensions and different resin types;
  • surface preparation - critical factor in obtaining good adhesion;
  • iron phosphate coating baths;
  • critical pigment volume concentration (CPVC);
  • stress required for coatings to fail;
  • weathering stress

Summary

This chapter contains sections titled:

  • Why Coatings Work

  • Why Coatings Fail

  • References