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首页> 外文期刊>Journal of Composite Materials >Reuse and upcycling of thermoset prepreg scrap: Case study with out-of-autoclave carbon fiber/epoxy prepreg
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Reuse and upcycling of thermoset prepreg scrap: Case study with out-of-autoclave carbon fiber/epoxy prepreg

机译：热固性预浸料废料的重用和升级：用高压釜碳纤维/环氧树脂预浸料的案例研究

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摘要

A large amount of uncured thermoset prepreg scrap is generated during manufacturing, including both ply cutter trim waste and out-of-spec material. While techniques to recycle end-of-life cured composite waste and reclaim carbon fiber are well established and commercialized, there is little effort made presently towards reusing uncured scrap prepreg. Here, we present a viable and scalable technique to process scrap prepreg into intermediate forms that can be readily manufactured into commercial end-products. Using out-of-autoclave carbon fiber/epoxy prepreg as an example, we report the mechanical properties, microstructure, and performance of composite laminates fabricated with scrap prepreg under various processing conditions. Demonstrator parts manufactured with scrap prepreg are also presented.
机译：制造过程中会产生大量未固化的热固性预浸料废料，包括帘布层切边废料和不合规格的材料。虽然回收报废的固化复合材料废料和回收碳纤维的技术已经成熟并商业化，但目前对回收未固化的废预浸料的努力很少。在这里，我们提出了一种可行且可扩展的技术，将废弃预浸料加工成中间形式，可以很容易地制造成商业最终产品。本文以高压釜外碳纤维/环氧树脂预浸料为例，研究了不同工艺条件下用废预浸料制备的复合材料层压板的力学性能、微观结构和性能。还介绍了用废弃预浸料制造的演示零件。

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