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首页> 外文期刊>Smart Materials & Structures >Assessment of solvent capsule-based healing for woven E-glass fibre-reinforced polymers
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Assessment of solvent capsule-based healing for woven E-glass fibre-reinforced polymers

机译：评估基于溶剂胶囊的机织E玻璃纤维增​​强聚合物的愈合

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摘要

Vacuum Assisted Resin Infusion Molding (VARIM) with low vacuum pressure difference was used to manufacture woven glass fibre-reinforced epoxy resin plates, with a fibre volume fraction of approx. 50 vol% and containing ethyl phenylacetate (EPA)-filled capsules for self-healing purposes. Capsules were introduced by functionalising the fabrics through manual dispersion. We investigated the capability of autonomously healing delaminations induced by static loading in Mode I and II. Healing did not take place for composite samples; this was attributed to the presence of bare fibres on the crack plane and to the reduction of EPA diffusion into the matrix in the presence of fibres both of which hinder the swelling mechanism responsible for healing the cracks.
机译：低真空压差的真空辅助树脂灌注成型（VARIM）用于制造玻璃纤维增​​强的环氧树脂编织板，其纤维体积分数约为1。 50％（体积），并装有可自我修复的苯乙酸乙酯（EPA）填充胶囊。通过手动分散使织物功能化来引入胶囊。我们研究了在模式I和模式II下由静态载荷引起的自动修复分层的能力。复合样品未进行修复;这归因于在裂纹平面上存在裸露的纤维，以及在存在纤维的情况下EPA扩散到基体中的减少，这两者都阻碍了修复裂纹的溶胀机制。

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