30 GHz microwave crystallization of lithium disilicate based glass

  • Morsi M. Mahmoud
  • , Guido Link
  • , Simone Miksch
  • , Manfred Thumm

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

30 GHz microwaves, generated by a gyrotron, were used to crystallize a commercial lithium disilicate (LS2) based dental glass composition. The investigated commercial glass was related to the SiO2c-Li 2O-P2cO5-ZnO-Al2O3-K2O glass system. The chemical analysis of the glass was confirmed using X-Ray Fluorescence (XRF) technique. A one stage heat-treatment crystallization regime was used to crystallize the studied LS2 glass into glass-ceramic material using 30 GHz microwave processing. Characterization of the micro-wave crystallized glassceramic samples was performed using X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). Microwave processing was successfully used to crystallize the LS2 commercial dental glass without hybrid heating.

Original languageEnglish
Title of host publicationMicrowave and RF Power Applications
Subtitle of host publicationProceeding of the 13th International Conference on Microwave and Radio Frequency Heating, AMPERE 2011
PublisherEditions Cepadues
Pages274-277
Number of pages4
ISBN (Print)9782854289787
StatePublished - 2011
Externally publishedYes

Publication series

NameMicrowave and RF Power Applications: Proceeding of the 13th International Conference on Microwave and Radio Frequency Heating, AMPERE 2011

Keywords

  • Component
  • Crystallization
  • High frequency
  • Lithium disilicate
  • Microwave processing

ASJC Scopus subject areas

  • Radiation

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