Braiding and filament winding

Roy, Sree Shankhachur; Potluri, Prasad

doi:10.1016/b978-0-12-819160-6.00007-x

Cited by 1 publication

(2 citation statements)

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“…The majority of existing COPVs are manufactured in the wet filament winding (WFW) process 10,11 using a thermoset matrix, as they are easier and more reliable to produce compared to thermoplastic alternatives 12,13 . High achievable fiber volume contents, high material throughput, and good adjustability of fiber orientation have made WFW the state of the art for producing thick‐walled continuous fiber‐reinforced plastics 14,15 . Besides the well‐known example of COPVs, WFW represents an established manufacturing technique to manufacture continuous fiber‐reinforced composite components such as pipes, drive shafts, printer rollers, and roto sleeves 14,16,17 .…”

Section: Introductionmentioning

confidence: 99%

“…12,13 High achievable fiber volume contents, high material throughput, and good adjustability of fiber orientation have made WFW the state of the art for producing thick-walled continuous fiber-reinforced plastics. 14,15 Besides the well-known example of COPVs, WFW represents an established manufacturing technique to manufacture continuous fiber-reinforced composite components such as pipes, drive shafts, printer rollers, and roto sleeves. 14,16,17 WFW consists of three sequential steps: fiber provision with pretension, fiber impregnation in an impregnation unit, and fiber deposition onto a winding mandrel.…”

Section: Introductionmentioning

confidence: 99%

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Characterization and modeling of an epoxy vitrimer based on disulfide exchange for wet filament winding applications

Lorenz,

Zawadzki,

Keller

et al. 2024

Polymer Engineering & Sci

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The present paper investigates the suitability of a vitrimeric epoxy resin for processing in the wet filament winding (WFW) process to manufacture fiber‐reinforced polymers (FRP). Comprehensive material characterization of a commercially available epoxy and vitrimeric resin based on disulfide exchange is carried out, and the processing in WFW is evaluated by analyzing thermomechanical, rheological, thermochemical properties, and chemical shrinkage. The direct comparison of a vitrimer and an established epoxy resin permits an indication of the processability and necessary adjustments in WFW. Based on the implications of modeling, we demonstrate the processing of the vitrimeric resin in the WFW process by increasing the resin bath temperatures. The vitrimer's and conventional resin's elastic modulus development and compression behavior were similar, highlighting the vitrimeric resin's potential. Further, the results confirm that established characterization and modeling routines can be transferred to vitrimeric resins and, therefore, path the way toward advanced process simulation of vitrimeric resin's processing. For this, the present publication gives essential advice for setting up testing schedules for characterizing epoxy vitrimers' processing behavior and their appropriate modeling. The present work underlines the potential of applying commercially available dynamic hardeners to manufacture recyclable and malleable FRP in established processes.Highlights Material characterization and modeling of wet filament winding process. Wet filament winding of epoxy vitrimers. Thermomechanical and chemical shrinkage characterization of epoxy vitrimers. Rheological and kinetic modeling of epoxy vitrimer.

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