The cure behaviour of two resin formulations (with high and low curing agent content respectively) of an epoxy resin system, used as matrix for carbon ยฎbre composites, was studied through calorimetric analysis. The aim of this work is to investigate the kinetics of this speciยฎc epoxy system in order
Ionizing radiation induced curing of epoxy resin for advanced composites matrices
โ Scribed by S. Alessi; E. Calderaro; A. Parlato; P. Fuochi; M. Lavalle; U. Corda; C. Dispenza; G. Spadaro
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 411 KB
- Volume
- 236
- Category
- Article
- ISSN
- 0168-583X
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โฆ Synopsis
The radiation curing of an epoxy monomer in the presence of an iodonium salt, as photo initiator, is studied. Systems with different concentrations of photo initiators have been polymerized via both gamma rays and e-beam, at various dose rates. The aim of this work is to investigate how the photo initiator concentration and the irradiation dose rate affect the temperature of the systems during curing and how the different thermal histories influence the dynamic mechanical thermal properties of the obtained materials.
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Although ultrasonic wave propagation is a well-known technique for nondestructive analysis, it can be also applied for dynamic mechanical characterization (DMA) of polymers and composites. Most of DMA characterizations at ultrasonic frequencies are performed on thermoplastics and only a few articles