2023
DOI: 10.3390/machines11030365
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Processing Strategies for Dieless Forming of Fiber-Reinforced Plastic Composites

Abstract: The demand for lightweight materials, such as fiber-reinforced plastics (FRP), is constantly growing. However, current FRP production mostly relies on expensive molds representing the final part geometry, which is not economical for prototyping or highly individualized products, such as in the medical or sporting goods sector. Therefore, inspired by incremental sheet metal forming, we conduct a systematic functional analysis on new processing methods for shaping woven FRP without the use of molds. Considering … Show more

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Cited by 1 publication
(5 citation statements)
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“…In contrast to the observations made without bonding the organo sheet and wire mesh in [27], the materials deformed well together, and no detachment was observed. Furthermore, in contrast to connecting the glass fiber fabric to a wire mesh with adhesive in [24], the vacuum could directly support the following processing steps. This included the curing of thermoset prepreg, impregnation, and consolidation of commingled yarn fabric as well as the reconsolidation of organo sheets, and also resin infusion after forming dry fabric could be realized with the layup.…”
Section: Discussionmentioning
confidence: 99%
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“…In contrast to the observations made without bonding the organo sheet and wire mesh in [27], the materials deformed well together, and no detachment was observed. Furthermore, in contrast to connecting the glass fiber fabric to a wire mesh with adhesive in [24], the vacuum could directly support the following processing steps. This included the curing of thermoset prepreg, impregnation, and consolidation of commingled yarn fabric as well as the reconsolidation of organo sheets, and also resin infusion after forming dry fabric could be realized with the layup.…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, the possibility of using the metal wires as resistance heaters could be investigated. Furthermore, using localized heating in organo sheet forming, as examined in [24], could limit the effect of unwanted reverse deformation, by keeping the already deformed areas cold and rigid, albeit bearing the risk of retaining residual stresses in the material. For impregnation and consolidation of the formed commingled yarn fabrics, the vacuumed layup could be processed in an autoclave after forming.…”
Section: Discussionmentioning
confidence: 99%
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