再生碳短纤维在先进热成型工艺中的应用及其碰撞性能分析

IF 1.8 Q3 ENGINEERING, MANUFACTURING

Advanced Manufacturing: Polymer & Composites Science Pub Date : 2020-01-02 DOI:10.1080/20550340.2020.1739402

Florian Mischo, C. Goergen, S. Schmeer, P. Mitschang

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引用次数: 3

摘要

摘要碳纤维增强聚合物复合材料(CFRPC)是一种极具应用前景的汽车轻量化材料，具有良好的吸能潜力。本文采用先进的热成型工艺，在多段模具中制造了由再生碳短纤维(rCSF)和聚酰胺6制成的碰撞吸收体。创新的波浪设计旨在防止碰撞减震器产生意外的破碎效应，如弯曲或屈曲，并且易于通过所研究的工艺制造。采用冲击能为1925 J的碰撞台车，在水平试验台上对成形的减震器进行了试验。rCSF碰撞减震器的比能吸收(SEA)为58.12±0.58 J/g。此外，rCSF碰撞减震器的标准偏差非常低(1.0%)。因此，基于rCSF的碰撞减震器代表了一种可行的替代原始纤维制成的碰撞减震器。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Use of recycled carbon staple fibers in an advanced thermoforming process and analysis of its crash performance

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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来源期刊

Advanced Manufacturing: Polymer & Composites Science ENGINEERING, MANUFACTURING-

CiteScore

4.00

自引率

0.00%

发文量

审稿时长

16 weeks