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EnglishSelf-healing is receiving increasing interest worldwide as a technology to autonomously address the effects of damage in composite materials. This article relates to a self-healing composite exhibiting high levels of healing efficiency under working conditions typical of aeronautic materials. The self-healing material is composed of a thermosetting epoxy matrix in which a catalyst of Ring Opening Metathesis Polymerization (ROMP) and nanocapsules are dispersed. The nanocapsules contain a monomer able to polymerize via ROMP. Dynamic mechanical analysis was used to determine mechanical parameters. The autorepair composite shows a high modulus in a wide temperature range, a glass transition temperature at about 110C and a selfhealing efficiency of about 97%.
| Titolo: | Healing Efficiency of Epoxy-Based Materials for Structural Applications |
| Autori: | |
| Data di pubblicazione: | 2013 |
| Rivista: | |
| Abstract: | Self-healing is receiving increasing interest worldwide as a technology to autonomously address the effects of damage in composite materials. This article relates to a self-healing composite exhibiting high levels of healing efficiency under working conditions typical of aeronautic materials. The self-healing material is composed of a thermosetting epoxy matrix in which a catalyst of Ring Opening Metathesis Polymerization (ROMP) and nanocapsules are dispersed. The nanocapsules contain a monomer able to polymerize via ROMP. Dynamic mechanical analysis was used to determine mechanical parameters. The autorepair composite shows a high modulus in a wide temperature range, a glass transition temperature at about 110C and a selfhealing efficiency of about 97%. |
| Handle: | http://hdl.handle.net/11386/3987054 |
| Appare nelle tipologie: | 1.1.1 Articolo su rivista con DOI |
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