The time dependence of surface energy in cohesive fracture | Zendy

Bennett S. J. | Zendy; Anderson G. P. | Zendy; Williams M. L. | Zendy

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The time dependence of surface energy in cohesive fracture

Author(s) -

Bennett S. J.,

Anderson G. P.,

Williams M. L.

Publication year - 1970

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1970.070140317

Subject(s) - materials science , composite material , epoxy , viscoelasticity , acrylonitrile , copolymer , curing (chemistry) , fracture (geology) , relaxation (psychology) , fracture mechanics , modulus , polymer , social psychology , psychology

The time‐temperature dependence of the cohesive fracture 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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