The structure of solid salt eutectics - Why lamellar or conglomerate?

David H Kerridge, Andy Horsewell, Rolf W. Berg

Research output: Contribution to journalJournal articleResearchpeer-review


Using KCl/ZnSO4 eutectic it has been shown that cooling the melt into a room temperature enclosure forms a lamellar structure, whereas cooling into a heated enclosure (225 °C) forms a conglomerate structure, while an enclosure temperature of 125 °C gave a partially conglomerate structure with some lamellae in process of forming conglomerates. Consideration of the thermal gradients imposed on solidification and consequently the relative time available during which the ions are sufficiently mobile to rearrange their positions, can explain the observation that lamellar structures are formed by higher melting point eutectics, whereas eutectics of lower melting point form conglomerate structure.
Original languageEnglish
JournalSolid State Ionics
Pages (from-to)1453-1456
Publication statusPublished - 2009


  • KCl
  • Conglomerate
  • Eutectics
  • Lamellar
  • Structure
  • ZnSO4


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