Effect of BaO content on the sintering and physical properties of BaO-B2O3-SiO2 glasses

Eun Sub Lim, Byung Sook Kim, Joon Hyung Lee, Jeong Joo Kim

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52 Scopus citations

Abstract

A BaO-B2O3-SiO2 glass system was chosen as a candidate composition for the application to Pb-free low temperature sinterable glass. The effect of BaO content on the crystallization, sintering behavior, and properties of the glasses was examined. Both the glass transition temperature and crystallization temperature decreased as the BaO content increased. Crystallization easily occurred during sintering with a BaO content of more than 50 mol%, which effectively inhibited the over-firing phenomenon. The dielectric characteristics and thermal expansion coefficient of the glasses were examined and the results were explained on the basis of the crystallization and densification of the specimens.

Original languageEnglish
Pages (from-to)821-826
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume352
Issue number8
DOIs
StatePublished - 1 Jun 2006

Keywords

  • Borosilicates
  • Crystallization
  • Dielectric properties
  • Electric modulus
  • Glass ceramics
  • Glass formation
  • Glass transition
  • Glasses
  • Microscopy
  • Microstructure
  • Oxide glasses
  • Processing
  • Relaxation
  • Scanning electron microscopy
  • Sintering
  • Thermal properties

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