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A numerical study of variability in the manufacturing process of thick composite parts

Matveev, M.Y.; Belnoue, J.P.-H.; Nixon-Pearson, O.J.; Ivanov, D.S.; Long, A.C.; Hallett, S.R.; Jones, I.A.

Authors

J.P.-H. Belnoue

O.J. Nixon-Pearson

D.S. Ivanov

ANDREW LONG ANDREW.LONG@NOTTINGHAM.AC.UK
Provost and Deputy Vice-Chancellor

S.R. Hallett

I.A. Jones



Abstract

Experiments show that different processing conditions lead to different levels of compaction and variability in the thickness. This paper presents an analysis of processing conditions and their effects on consolidation of thick composite components. A model that accounts for both percolation and squeezing flow is employed to study two toughened prepreg systems – IM7/8552 and IMA/M21. This paper analyses the significance of the process parameters on the thickness of prepregs and its variability. The analysis of different layups and processing conditions suggests several strategies to control target thickness and its variability. The IMA/M21 prepreg system was found to have lower variability due to its toughening mechanism. The presented results provide a better understanding of the composite manufacturing and can be used to provide an informed choice in design for manufacture of composite structures

Citation

Matveev, M., Belnoue, J., Nixon-Pearson, O., Ivanov, D., Long, A., Hallett, S., & Jones, I. (2019). A numerical study of variability in the manufacturing process of thick composite parts. Composite Structures, 208, 23-32. doi:10.1016/j.compstruct.2018.09.092

Journal Article Type Article
Acceptance Date Sep 24, 2018
Online Publication Date Sep 25, 2018
Publication Date Jan 15, 2019
Deposit Date Oct 8, 2018
Publicly Available Date Oct 8, 2018
Journal Composite Structures
Print ISSN 0263-8223
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 208
Pages 23-32
DOI https://doi.org/10.1016/j.compstruct.2018.09.092
Keywords process simulation; prepregs; variability
Public URL https://nottingham-repository.worktribe.com/output/1151175
Publisher URL https://www.sciencedirect.com/science/article/pii/S0263822317337583

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/





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