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- Article name
- Estimation of cutoffs on axes from coordinates origin at creep study
- Authors
- VAINSTEIN E. F., , dr_vainshtein@front.ru, N. M. Emanuel Institute of Biochemical Physics of RAS, Moscow, Russia
SOLODYSHЕVA E. S., , , N. N. Semenov Institute of Chemical Physics of RAS, Moscow, Russia
- Keywords
- cross-linked polymer / equilibrium state / thermodynamic / stationary state / energy / Gibbs free energy / uniaxial tension / temperature / pressure / cutoffs on axes from coordinates origin / constant load / Hooke law
- Year
- 2010 Issue 4 Pages 21 - 27
- Code EDN
- Code DOI
- Abstract
- On example of cross-linked polymer of resorcinol diglycidic ester and diamine metaphenylene of composition 1:1 physical and chemical meaning of cutoffs (distance from coordinates origin to axes crossing points with dependence of percent elongation on constant loads at constant and variable temperatures and with dependence of percent elongation on constant load at different temperatures) at uniaxial tension. As experiment is conducted at constant pressure and temperature then Gibbs free energy or Gibbs free energies difference in end and initial states were chosen in capacity of control parameters. Meanings of these parameters are depended on synthesis methods and polymer properties. Energy which is needed for begining of sample deformation was defined. Cutoff from coordinates origin on axis of abscissa is characterized energy release in system at transition it from energetically more high thermodynamic stationary state in more low one.
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