Abstract
Hybrid composite laminates including carbon fibers and natural fibers, hence basalt and/or vegetable ones, draw on the experiences accumulated in studying the hybridization of fiberglass with carbon or natural fibers. Yet, in the case of carbon/natural fiber composites, the sense is different: in particular, the idea is to accept the reduction of properties from bare carbon fiber composites and the unavoidable complication in processing, induced by hybridization. The compensation obtained, which offers a rationale to this operation, is the improved toughness and a significant modification of the different modes of failure. This would bring a higher energy absorption and a substantially more effective damage tolerance. The aforementioned characteristics are particularly of interest in the case of flexural properties, impact properties, and residual post-impact performance.
Highlights
Composite laminates containing more than one type of fiber are defined as “hybrid composites” [1].The combination of two fibers can be either obtained by stacking layers containing either of the two or intermingling or braiding them across the composite section
Other procedures are though possible, such as the fabrication of intraply hybrids, intermingled fibers, selective placement, and super-hybrids of each fiber composites [5]
The hybridization of carbon fiber composites with basalt fiber layers does not result in weight gain, it is expected that the hybrid would present improved impact properties
Summary
Composite laminates containing more than one type of fiber are defined as “hybrid composites” [1]. The hybridization of carbon fiber composites with basalt fiber layers does not result in weight gain, it is expected that the hybrid would present improved impact properties. Glass/vegetable fiber hybrid composites benefited during the last decades of a considerable amount of literature. They were often perceived as a possible replacement for fiberglass, advisable for environmental advantages and for the possible use of sustainable not oil-based matrices [8]. This means that the real section can be considerably smaller than the one barely measured from diameter. Advantages can come possibly, other than from reduced cost and weight, from modifying the mode of fracture, mitigating the inherent brittleness of carbon fibers
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