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SUMMARY:Constitutive Models for Deformation and Fracture of Metals - T D A
 ndrews\, QinetiQ Farnborough
DTSTART:20060504T150000Z
DTEND:20060504T160000Z
UID:TALK4847@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:Constitutive models form an important link towards predicting 
 the behaviour of materials under dynamic conditions. This talk will discus
 s the construction and implementation of models for metals based on observ
 ed material properties\, in particular the thermally activated movement of
  dislocations through the structure\, and the generation and growth of voi
 ds leading to failure. The talk will also discuss methods for generating s
 uitable stress data over appropriate ranges of temperatures and strain rat
 es\, and issues associated with the data and the models. Finally examples 
 will be given of the implementation of the models into dynamic numerical s
 imulations.
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Department of Physics
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