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CATEGORIES:Physics and Chemistry of Solids Group
SUMMARY:Implementation of viscoelastic Hopkinson bars and 
 their application to the testing of soft materials
  - Richard Curry\, BISRU\, University of Cape Town
 \, South Africa
DTSTART;TZID=Europe/London:20130425T160000
DTEND;TZID=Europe/London:20130425T170000
UID:TALK44471AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/44471
DESCRIPTION:The properties of soft\, viscoelastic materials at
  high strain rates are important in furthering our
  understanding of their role during blast or impac
 t events. When testing these soft or low impedance
  materials using a split Hopkinson pressure bar se
 tup one experiences poor signal to noise ratios an
 d impedance mismatching when using metallic bars. 
 These difficulties are overcome by useing polymeri
 c Hopkinson bars. Implementing polymeric Hopkinson
  bars requires characterisation of the viscoelasti
 c properties of the material used. 
LOCATION:Mott Seminar Room\, Cavendish Laboratory
CONTACT:Stephen Walley
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