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SUMMARY:Yield stress liquids - Professor Richard Buscall\, MSACT Consultin
 g: Visiting Professor at the Universities of Melbourne and Leeds\; formerl
 y of ICI
DTSTART:20061006T130000Z
DTEND:20061006T140000Z
UID:TALK5582@talks.cam.ac.uk
CONTACT:Dr C. P.  Caulfield
DESCRIPTION:Many fluids in industry and nature are non-Newtonian and many 
 show a yield stress\, viz. they behave as viscoelastic solids below some c
 ritical stress or range of stresses. The prototypical yield stress liquid 
 is an aggregated network of colloidal particles - a colloidal gel. I will 
 use results from various sources to illustrate what is and\, more interest
 ingly perhaps\, what is not known about the yield process in such fluids\,
  with an emphasis on outstanding problems and challenges\, of which there 
 are quite a few. 
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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