Analysis of powder caking in multicomponent powders using atomic force microscopy to examine particle properties

D.C. Prime, A.G.F. Stapley, C.D. Rielly, J.R. Jones, Mark Leaper

Research output: Contribution to journalSpecial issue

Abstract

Atomic force microscopy has been used to study the surface properties of model spray dried powders. Phase imaging, nanoindentation and force modulation microscopy have differentiated between the different surface material properties of the particles, revealing a regular dispersion of soft, oil rich areas distributed across the particles' surface. Humidity and temperature cycling effects on the caking behavior of the particles have also been investigated, with significant morphology changes and onset of caking found to occur within relatively short periods of time.
Original languageEnglish
Pages (from-to)98-102
Number of pages5
JournalChemical Engineering and Technology
Volume34
Issue number1
DOIs
Publication statusPublished - Jan 2011

Keywords

  • atomic force
  • caking
  • morphology
  • multicomponent systems
  • powders

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