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Published in: The International Journal of Advanced Manufacturing Technology 1-2/2022

12-11-2021 | ORIGINAL ARTICLE

Numerical and experimental investigation of orthogonal cutting of carbon fiber-reinforced polyetheretherketone (CF/PEEK)

Authors: Xuda Qin, Xiaozhong Wu, Hao Li, Shipeng Li, Shiguang Zhang, Yan Jin

Published in: The International Journal of Advanced Manufacturing Technology | Issue 1-2/2022

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Abstract

Carbon fiber-reinforced thermoplastic composites have gained much attention due to their excellent mechanical properties, corrosion resistance, short curing process, and easy recyclability. However, the current research on the machining of composites is mainly focused on the thermoset composites, and the influence of the thermoplastic matrix on the machining performance of the composites is still unclear. In this paper, orthogonal cutting experiments of carbon fiber-reinforced polyetheretherketone (CF/PEEK) were carried out and a 3-D micro numerical cutting model with considering the strain-rate-dependent mechanical properties of PEEK was established as well. The cutting force, fiber failure and machining damages predicted by the proposed model agree well with the experimental results. Based on the experimental and numerical simulation approaches, the effects of fiber orientation angles (\(\theta\)) and depth of cut (\({a}_{c}\)) on the cutting mechanism, cutting force, and surface integrity of CF/PEEK were investigated in detail. The results indicate that fiber orientation is still the dominant factor in the CF/PEEK machining process; however, compared to the machinability of carbon fiber-reinforced thermoset composite, the certain ductility of PEEK matrix leads to continuous curly chip formation and differences in machined surface quality. Meanwhile, the machining damage formation mechanism was studied through a combination of experimental and simulation approaches.

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Appendix
Available only for authorised users
Literature
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Metadata
Title
Numerical and experimental investigation of orthogonal cutting of carbon fiber-reinforced polyetheretherketone (CF/PEEK)
Authors
Xuda Qin
Xiaozhong Wu
Hao Li
Shipeng Li
Shiguang Zhang
Yan Jin
Publication date
12-11-2021
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 1-2/2022
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-021-08317-3

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