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The time dependence of surface energy in cohesive fracture

✍ Scribed by S. J. Bennett; G. P. Anderson; M. L. Williams

Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
465 KB
Volume
14
Category
Article
ISSN
0021-8995

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✦ Synopsis

The liine-teniperature dependence of the cohesive fraclure energy is deduced from experiments on a centrally cracked sheet of butadiene-acrylonitrile-acrylic acid viscoelastic terpolymer crosslinked with an epoxy curing agent. Analytic results based upon a cylindrical flaw model of the crack permit the segregation of the fracture energy time dependence from that of the relaxation modulus.

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