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SUMMARY:Damage of polymer-bonded composites - David Williamson\, SMF Group
 \, The Cavendish Laboratory
DTSTART:20171116T160000Z
DTEND:20171116T170000Z
UID:TALK82941@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:This talk will briefly introduce the motivation behind researc
 h into damage of polymer bonded particulate composites.\n \nI will outline
  two different approaches to model the same problem\; continuum and micros
 tructurally resolved.\n \nThe continuum approach is found to be very pragm
 atic and with a few simple equations one can adequately describe experimen
 tal results under some conditions\, the most notable being the necessary r
 equirement that damage is occurring homogeneously throughout the composite
 .\n \nHowever\, to progress physical understanding a microstructurally res
 olved framework is required.  In doing so the computational and experiment
 al overhead is vastly increased.  Under many circumstances the problem col
 lapses to one of describing of interfacial adhesion. I will present curren
 t experiments performed to characterise interfacial adhesion in terms of a
  so-called ‘thermodynamic value’ and micro- and macro- ‘measured val
 ues’.\n \nFinally I will present the future direction of this research d
 esigned to exercise a microstructurally resolved model currently under dev
 elopment at Imperial College London.\n
LOCATION:Mott Seminar Room\, Cavendish Laboratory
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