Abstract
A multi-particle unit cell model of PMMA/ATH composite with different volume fractions was employed to study the influence of interphase properties and inter-particle distance on elastic modulus. The model constitutes amorphous polymer matrix, rigid fillers and interphase between filler and matrix. Polymer matrix was modelled using a thermodynamically consistent dual-mechanism viscoplastic model, whereas fillers were assumed as linear elastic. In numerical simulations, the interphase between filler and matrix was modelled through a user defined interphase model and matrix material was modelled through a user defined material model.
| Original language | English |
|---|---|
| Pages (from-to) | 100-108 |
| Number of pages | 9 |
| Journal | International Journal of Materials and Structural Integrity |
| Volume | 7 |
| Issue number | 1-3 |
| DOIs | |
| State | Published - Jan 1 2013 |
Keywords
- alumina trihydrate
- ATH
- elastic modulus
- interparticle distance
- interphase properties
- matrix materials
- numerical simulation
- particle debonding
- particle filled composites
- PMMA
- poly methyl methacrylate
- rigid fillers
- unit cell model
- viscoplastic modelling
- viscoplasticity
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