Florian Mischo, C. Goergen, S. Schmeer, P. Mitschang
{"title":"Use of recycled carbon staple fibers in an advanced thermoforming process and analysis of its crash performance","authors":"Florian Mischo, C. Goergen, S. Schmeer, P. Mitschang","doi":"10.1080/20550340.2020.1739402","DOIUrl":null,"url":null,"abstract":"Abstract Carbon fiber reinforced polymer composites (CFRPC) are one of the promising lightweight materials in car production and show excellent energy absorption potential. In this paper, crash absorbers made of recycled carbon staple fibers (rCSF) and polyamide 6 are manufactured by an advanced thermoforming process in a multi-segment mold. The innovative wave design is meant to prevent the crash absorber from unintended crushing effects like bending or buckling and easy to manufacture by the investigated process. The formed crash absorbers were tested in a horizontal test rig by using a crash sled with an impact energy of 1925 J. The rCSF based crash absorbers feature a specific energy absorption (SEA) of 58.12 ± 0.58 J/g. Also, the standard deviation of the rCSF crash absorbers is remarkably low (1.0%). Thus, rCSF based crash absorbers represent a viable alternative to crash absorbers made of virgin fibers. Graphical Abstract","PeriodicalId":7243,"journal":{"name":"Advanced Manufacturing: Polymer & Composites Science","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2020-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Manufacturing: Polymer & Composites Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/20550340.2020.1739402","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, MANUFACTURING","Score":null,"Total":0}
引用次数: 3
Abstract
Abstract Carbon fiber reinforced polymer composites (CFRPC) are one of the promising lightweight materials in car production and show excellent energy absorption potential. In this paper, crash absorbers made of recycled carbon staple fibers (rCSF) and polyamide 6 are manufactured by an advanced thermoforming process in a multi-segment mold. The innovative wave design is meant to prevent the crash absorber from unintended crushing effects like bending or buckling and easy to manufacture by the investigated process. The formed crash absorbers were tested in a horizontal test rig by using a crash sled with an impact energy of 1925 J. The rCSF based crash absorbers feature a specific energy absorption (SEA) of 58.12 ± 0.58 J/g. Also, the standard deviation of the rCSF crash absorbers is remarkably low (1.0%). Thus, rCSF based crash absorbers represent a viable alternative to crash absorbers made of virgin fibers. Graphical Abstract
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