Abstract
Two sets of unidirectional composites of aramid fibre reinforced Nylon 66 were prepared, by quenching and by crystallizing, respectively. Each set covered a wide range of fibre volume fractions, from 0.005 in microcomposites to 0.65. It was confirmed that the crystallization conditions employed for the crystallized set produced a substantial transcrystalline layer. Mechanical testing of the longitudinal strength and modulus revealed a significant transcrystallinity induced improvement which was fibre-content dependent. That observation was taken as a valid proof of the assumption that an effective contribution of the transcrystalline layer is generated only when the c-axis (chain axis) of the polymer in the transcrystalline layer is parallel to the fibre.
| Original language | English |
|---|---|
| Pages (from-to) | 1685-1690 |
| Number of pages | 6 |
| Journal | Composites Science and Technology |
| Volume | 59 |
| Issue number | 11 |
| DOIs | |
| State | Published - Aug 1999 |
Keywords
- A. Aramid fibre
- A. Polymer-matrix composites
- B. Mechanical properties
- Transcrystallinity
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