Durability of mat glazes in hydrochloric acid solution

T. Kronberg*, L. Hupa, K. Fröberg

*Corresponding author for this work

Research output: Contribution to journalConference articleScientificpeer-review

10 Citations (Scopus)

Abstract

The influence of composition on durability of fast-fired mat raw glazes in hydrochloric acid was studied with several different methods. The appearance of the corroded glazes was classified according to a standardised visual method. The surface composition of the glaze was studied by SEM/EDXA. The crystalline phases in the glaze were identified by XRD. Changes in surface topography on micro-range were observed by AFM, while macro-range related changed were examined by a non-contact optical profiler. The concentration of dissolved ions in the acid solution after the corrosion test was analysed by ICPS. The results indicate that besides chemical composition also phase composition and surface morphology should be taken into account in corrosion studies of mat glazes. Corrosion of both amorphous and crystalline phases could be detected. The proportion of unreacted raw material in the glaze also strongly affected the corrosion behavior.

Original languageEnglish
Pages (from-to)1565-1568
Number of pages4
JournalKey Engineering Materials
Volume264-268
Issue numberII
DOIs
Publication statusPublished - 2004
MoE publication typeA4 Article in a conference publication
EventProceedings of the 8th Conference and Exhibition of the European Ceramic Society - Istanbul, Turkey
Duration: 29 Jun 20033 Jul 2003

Keywords

  • Durability
  • Glaze

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