Abstract
The results of a complex study on the viscoelastic behavior of an epoxy-clay nanocomposite after a long-term exposure to moisture are presented. The main laws of variation in the glass-transition temperature of the nanocomposite in relation to the different content of filler and absorbed moisture were determined by using a thermomechanical analysis. The loading levels in creep experiments were chosen according to the results of quasi-static tensile tests. The sets of creep and creep recovery curves obtained were approximated by the Boltzmann-Volterra linear integral equation with account of the principle of moisture-time analogy. The variation in the spectrum of retardation time of the epoxy resin with introduction of the nanofiller was estimated. It is shown that the moisture-time reduction function correlates with changes in the forced rubber-like elasticity and the volume of nanocomposite specimens upon their moistening.
| Original language | English |
|---|---|
| Pages (from-to) | 573-582 |
| Number of pages | 10 |
| Journal | Mechanics of Composite Materials |
| Volume | 46 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jan 2011 |
| Externally published | Yes |
Keywords*
- epoxy binder
- moisture
- moisture-time analogy
- montmorillonite
- viscoelastic properties
Field of Science*
- 2.5 Materials engineering
- 1.3 Physical sciences
Publication Type*
- 1.1. Scientific article indexed in Web of Science and/or Scopus database
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