Interfacial structure and chemistry in a ceramic/polymer composite material

Oludele O. Popoola, Waltraud M. Kriven

Research output: Contribution to journalArticlepeer-review

Abstract

The microstructure and microchemistry of ceramic/polymer interfaces in a calcium aluminate/polyvinyl alcohol composite material have been studied using transmission electron microscopy (TEM), high resolution electron microscopy (HREM), x-ray photoelectron spectroscopy (XPS), and energy dispersive spectroscopy (EDS). Interfaces consisted of an amorphous interphase layer, inside of which were dispersed metastably retained CaAl2O5. 8H20 crystallites. The amorphous phase was a mixture of the hydration products of calcium aluminate and aluminum-crosslinked, polyvinyl alcohol. The crystalline hydration product CaAl2O5. 8H2O was metastably retained due to polymer poisoning of nucleation sites and significant reduction of conversion kinetics.

Original languageEnglish (US)
Pages (from-to)1545-1552
Number of pages8
JournalJournal of Materials Research
Volume7
Issue number6
DOIs
StatePublished - Jun 1992

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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