Fiber aspect ratio effect on mechanical and thermal properties of carbon fiber/ABS composites via extrusion and long fiber thermoplastic processes
- Authors
- Hwang, Daekyun; Cho, Donghwan
- Issue Date
- 25-Dec-2019
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Carbon fiber-reinforced composites; ABS resin; Twin-screw extrusion; Long fiber thermoplastic; Properties
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.80, pp 335 - 344
- Pages
- 10
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 80
- Start Page
- 335
- End Page
- 344
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/28186
- DOI
- 10.1016/j.jiec.2019.08.012
- ISSN
- 1226-086X
1876-794X
- Abstract
- The present study explores the effect of the aspect ratio of carbon fiber on the mechanical, thermal, and impact properties of carbon fiber-reinforced acrylonitrile-butadiene-styrene (ABS) matrix composites, which were produced using: (1) chopped carbon fibers with different lengths by means of twin-screw extrusion followed by injection molding; and (2) long fiber thermoplastic (LFT) pellets with different lengths by means of LFT followed by injection molding. The results revealed that the carbon fiber/ABS composites made by using carbon fiber/ABS LFT pellets exhibited the tensile, flexural, dynamic mechanical thermal, heat deflection temperature, and impact properties higher than those by using conventionally extruded carbon fiber/ABS pellets. It is noted that 12-mm-long LFT pellets contributed most to improving the mechanical and thermal properties of carbon fiber/ABS composites, compared to 6- and 24-mm-long LFT pellets. Meanwhile, the Izod impact strength of the composites was highest in the case of 24-mm-long LFT pellets. The improvements in the mechanical and thermal properties of carbon fiber/ABS composites were explained by different length distribution and aspect ratio of carbon fibers existing in the composites produced via conventional twin-screw extrusion and LFT processes, respectively. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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