Andere Rohstoffe

Albrecht, Wilhelm; Fuchs, Dr.-Ing. Hilmar; Gutmann, Rainer; Schmidt, Harald; Dohrn, Waldemar

doi:10.1002/9783527645862.ch2

Cited by 3 publications

(6 citation statements)

References 7 publications

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“…To produce yarn from rCF, a nonwoven must first be produced from the rCF (carding process). This nonwoven can be produced by the dry-laid method or the wet-laid method [10]. Both methods will be briefly presented here.…”

Section: Experimental Investigationmentioning

confidence: 99%

“…One possibility is to process the fibers into nonwovens. Generally, the production of nonwovens can be divided into dry processes, wet processes, and extrusion processes according to [10]. The individual processes can be applied depending on the starting materials.…”

Section: Fleece Processmentioning

confidence: 99%

“…Both processes use short fibers as the starting material. The extrusion process uses granulate as a base and is, therefore, not considered in this article [10]. Figure 3 systematically illustrates the wet and dry fleece process.…”

Section: Fleece Processmentioning

confidence: 99%

“…Furthermore, a carding machine must present the fiber flock per unit of time in terms of length and width. In addition, the fibers are cleaned through the carding process and foreign parts are separated [10]. The main roller is used to process the fibers into a fleece.…”

Section: Dry Fleece Processmentioning

confidence: 99%

“…To form a nonwoven, the individual fiber fleeces are layered one on top of each other. The individual nonwoven formations can refer to [10].…”

Section: Dry Fleece Processmentioning

confidence: 99%

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The Recycling of Carbon Components and the Reuse of Carbon Fibers for Concrete Reinforcements

Baumgaertel,

Marx

2023

Applied Sciences

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Carbon fiber reinforced plastics are increasingly used in all areas of industry. With the increasing number of components and semi-finished products, more and more new carbon fibers will be produced. This also generates a greater number of end-of-life components. These end-of-life components can currently only be fed back, to a limited extent, for reuse, thus leading to a non-optimal, closed-material cycle of the carbon fiber. This article provides an overview of the recycling of carbon components, their further processing and their reuse in reinforcement elements made of carbon fibers. In addition, first results from recycled single fibers and yarn tensile tests from recycled carbon fibers (rCF) are presented. By demonstrating the reuse of carbon fibers in the construction sector, there is the potential to effectively close the carbon cycle. The utilization of carbon reinforcements also enables the reduction of concrete consumption, as the minimum concrete cover required to protect the reinforcement from corrosion is no longer needed.

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Section: Experimental Investigationmentioning

confidence: 99%

Section: Fleece Processmentioning

confidence: 99%

Section: Fleece Processmentioning

confidence: 99%

Section: Dry Fleece Processmentioning

confidence: 99%

“…To form a nonwoven, the individual fiber fleeces are layered one on top of each other. The individual nonwoven formations can refer to [10].…”

Section: Dry Fleece Processmentioning

confidence: 99%