Neutron diffraction of calcium aluminosilicate glasses and melts

Louis Hennet*, James W E Drewitt, Daniel R. Neuville, Viviana Cristiglio, Jad Kozaily, Séverine Brassamin, Didier Zanghi, Henry E. Fischer

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

17 Citations (Scopus)
303 Downloads (Pure)

Abstract

The combination of neutron diffraction with aerodynamic levitation and laser heating, pioneered by Neville Greaves and co-workers about 15years ago, is an important tool for studying the structure of liquid melts. Since the first work on liquid Al2O3 published in 2001, the technique has been largely improved and experiments are now routinely performed at neutron sources, providing interesting structural information on various materials.In this paper, the structure of glass-forming compounds in the system CaO-Al2O3-SiO2 was measured by applying neutron diffraction with aerodynamic levitation. Results obtained in the liquid state above the melting point and from the glass at room temperatures are presented. Various compositions were studied by increasing the silica content and by changing the ratio CaO/Al2O3. As observed using other methods, the main structural changes relate to modification of the Al-O short range order.

Original languageEnglish
Pages (from-to)89-93
Number of pages5
JournalJournal of Non-Crystalline Solids
Volume451
Early online date24 May 2016
DOIs
Publication statusPublished - 25 Oct 2016

Bibliographical note

Special issue: Structure, dynamics and applications of non-crystalline solids and disordered materials

Keywords

  • Aerodynamic levitation
  • Calcium aluminosilicates
  • Glasses
  • Melts
  • Neutron diffraction
  • Structure

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