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Plastic behavior of glassy polymers: Experimental and theoretical description based on three different approximations
Author(s) -
Pandermarakis Z. G.,
Spathis G.
Publication year - 2005
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.21876
Subject(s) - viscoelasticity , strain hardening exponent , materials science , polymer , hardening (computing) , softening , polymer science , composite material , layer (electronics)
Three different models were used for the description of viscoelastic, yielding, and hardening stages of the mechanical behavior of a network polymer. As a representative response we get unidirectional loading test at a wide range of strain rates with the appearance of a distinct yielding point, strain softening, and strain hardening. The present analysis shows that Rubin's kinematics formulation appears to have some benefits in contrast to the other two approximations. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 97: 2032–2046, 2005