Chapter 9. Distribution of Polyvinyl Alcohol in an Alumina System as Seen by a Petrographic Microscope

  1. Willam M. Carty
  1. C. R. August,
  2. S. M. Nycz and
  3. R. A. Haber

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294796.ch9

Whitewares and Materials: Ceramic Engineering and Science Proceedings, Volume 24, Issue 2

Whitewares and Materials: Ceramic Engineering and Science Proceedings, Volume 24, Issue 2

How to Cite

August, C. R., Nycz, S. M. and Haber, R. A. (2003) Distribution of Polyvinyl Alcohol in an Alumina System as Seen by a Petrographic Microscope, in Whitewares and Materials: Ceramic Engineering and Science Proceedings, Volume 24, Issue 2 (ed W. M. Carty), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294796.ch9

Author Information

  1. Rutgers University, Piscataway, New Jersey

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 2003

ISBN Information

Print ISBN: 9780470375822

Online ISBN: 9780470294796

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Keywords:

  • polarized-light;
  • homogeneity;
  • plasticity;
  • viscosity;
  • hydrolyzed

Summary

Poly(vinyl alcohol) (PVA) is a common binder in ceramic bodies. It is the binder in a system that gives extra strength and helps a green body keep its form before sintering. The uniformity of binder distributed within a green body can be influenced by the shear history of the initial batch. Using a polarized-light microscope and certain imaging software, the birefringence under shear, distribution, and homogeneity of a poly(vinyl alcohol) binder within an aqueous alumina body can be determined.