Large Scale Forming of Non-Crimp Fabrics for Aerostructures

Claudia Jimenez Martin; Vincent Maes; Turlough McMahon; James Kratz

doi:10.4028/p-809h64

Large Scale Forming of Non-Crimp Fabrics for Aerostructures

Claudia Jimenez Martin^*, Vincent Maes, Turlough McMahon, James Kratz

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

2 Citations (Scopus)

Abstract

The increased production rate targets of the aerospace industry have driven the development of dry fibre infusion processes. Biaxial Non-Crimp Fabrics (NCFs) are considered in this work due to their potential high deposition rates and higher mechanical performance to woven fabrics. Forming is an integral step prior to infusion and curing. Understanding the forming behaviour of NCFs at scale is therefore key to achieving high quality parts. To investigate the draping and shearing behaviour of NCFs, geometries with complexities associated with the composite structure are used. This study presents an experimental campaign on two large scale (2 metres in span) geometries with complexities representative of aerostructures. The combination of features such as ramps and curvature with corner radii leads to distinctive out-of-plane wrinkling. The relationship between geometry, material and resulting preform quality is observed through the use of 3D scans. Results show differing preform quality in terms of wrinkling phenomena, showing the importance of geometry of choice for material drapability tests at an industrial scale.

Original language	English
Title of host publication	Achievements and Trends in Material Forming- Peer-reviewed extended papers selected from the 25th International Conference on Material Forming, ESAFORM 2022
Editors	Gabriela Vincze, Frédéric Barlat
Publisher	Trans Tech Publications Ltd
Pages	1387-1398
Number of pages	12
ISBN (Print)	9783035717594
DOIs	https://doi.org/10.4028/p-809h64
Publication status	Published - 1 Jul 2022
Event	25th International Conference on Material Forming, ESAFORM 2022 - Braga, Portugal Duration: 27 Apr 2022 → 29 Apr 2022

Publication series

Name	Key Engineering Materials
Volume	926 KEM
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Conference

Conference	25th International Conference on Material Forming, ESAFORM 2022
Country/Territory	Portugal
City	Braga
Period	27/04/22 → 29/04/22

Bibliographical note

Funding Information:
This work was supported by the EPSRC Centre for Doctoral Training in Composites Manufacture (EP/L015102/1) and the Airbus Wing of Tomorrow programme, part funded by the UK’s Aerospace Technology Institute. The authors would like to thank the National Composites Centre in Bristol for test data collection, and Airbus colleagues Jon Wright, Jon Price, and Dominic Bloom for many interesting discussions on composite forming.

Publisher Copyright:
© 2022 The Author(s). Published by Trans Tech Publications Ltd, Switzerland.

Keywords

dry fibre process
forming
Non-Crimp Fabrics

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Martin, C. J., Maes, V., McMahon, T., & Kratz, J. (2022). Large Scale Forming of Non-Crimp Fabrics for Aerostructures. In G. Vincze, & F. Barlat (Eds.), Achievements and Trends in Material Forming- Peer-reviewed extended papers selected from the 25th International Conference on Material Forming, ESAFORM 2022 (pp. 1387-1398). (Key Engineering Materials; Vol. 926 KEM). Trans Tech Publications Ltd. https://doi.org/10.4028/p-809h64

Martin, Claudia Jimenez ; Maes, Vincent ; McMahon, Turlough et al. / Large Scale Forming of Non-Crimp Fabrics for Aerostructures. Achievements and Trends in Material Forming- Peer-reviewed extended papers selected from the 25th International Conference on Material Forming, ESAFORM 2022. editor / Gabriela Vincze ; Frédéric Barlat. Trans Tech Publications Ltd, 2022. pp. 1387-1398 (Key Engineering Materials).

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abstract = "The increased production rate targets of the aerospace industry have driven the development of dry fibre infusion processes. Biaxial Non-Crimp Fabrics (NCFs) are considered in this work due to their potential high deposition rates and higher mechanical performance to woven fabrics. Forming is an integral step prior to infusion and curing. Understanding the forming behaviour of NCFs at scale is therefore key to achieving high quality parts. To investigate the draping and shearing behaviour of NCFs, geometries with complexities associated with the composite structure are used. This study presents an experimental campaign on two large scale (2 metres in span) geometries with complexities representative of aerostructures. The combination of features such as ramps and curvature with corner radii leads to distinctive out-of-plane wrinkling. The relationship between geometry, material and resulting preform quality is observed through the use of 3D scans. Results show differing preform quality in terms of wrinkling phenomena, showing the importance of geometry of choice for material drapability tests at an industrial scale.",

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Martin, CJ, Maes, V, McMahon, T & Kratz, J 2022, Large Scale Forming of Non-Crimp Fabrics for Aerostructures. in G Vincze & F Barlat (eds), Achievements and Trends in Material Forming- Peer-reviewed extended papers selected from the 25th International Conference on Material Forming, ESAFORM 2022. Key Engineering Materials, vol. 926 KEM, Trans Tech Publications Ltd, pp. 1387-1398, 25th International Conference on Material Forming, ESAFORM 2022, Braga, Portugal, 27/04/22. https://doi.org/10.4028/p-809h64

Large Scale Forming of Non-Crimp Fabrics for Aerostructures. / Martin, Claudia Jimenez; Maes, Vincent; McMahon, Turlough et al.
Achievements and Trends in Material Forming- Peer-reviewed extended papers selected from the 25th International Conference on Material Forming, ESAFORM 2022. ed. / Gabriela Vincze; Frédéric Barlat. Trans Tech Publications Ltd, 2022. p. 1387-1398 (Key Engineering Materials; Vol. 926 KEM).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Large Scale Forming of Non-Crimp Fabrics for Aerostructures

AU - Martin, Claudia Jimenez

AU - Maes, Vincent

AU - McMahon, Turlough

AU - Kratz, James

N1 - Funding Information: This work was supported by the EPSRC Centre for Doctoral Training in Composites Manufacture (EP/L015102/1) and the Airbus Wing of Tomorrow programme, part funded by the UK’s Aerospace Technology Institute. The authors would like to thank the National Composites Centre in Bristol for test data collection, and Airbus colleagues Jon Wright, Jon Price, and Dominic Bloom for many interesting discussions on composite forming. Publisher Copyright: © 2022 The Author(s). Published by Trans Tech Publications Ltd, Switzerland.

PY - 2022/7/1

Y1 - 2022/7/1

N2 - The increased production rate targets of the aerospace industry have driven the development of dry fibre infusion processes. Biaxial Non-Crimp Fabrics (NCFs) are considered in this work due to their potential high deposition rates and higher mechanical performance to woven fabrics. Forming is an integral step prior to infusion and curing. Understanding the forming behaviour of NCFs at scale is therefore key to achieving high quality parts. To investigate the draping and shearing behaviour of NCFs, geometries with complexities associated with the composite structure are used. This study presents an experimental campaign on two large scale (2 metres in span) geometries with complexities representative of aerostructures. The combination of features such as ramps and curvature with corner radii leads to distinctive out-of-plane wrinkling. The relationship between geometry, material and resulting preform quality is observed through the use of 3D scans. Results show differing preform quality in terms of wrinkling phenomena, showing the importance of geometry of choice for material drapability tests at an industrial scale.

AB - The increased production rate targets of the aerospace industry have driven the development of dry fibre infusion processes. Biaxial Non-Crimp Fabrics (NCFs) are considered in this work due to their potential high deposition rates and higher mechanical performance to woven fabrics. Forming is an integral step prior to infusion and curing. Understanding the forming behaviour of NCFs at scale is therefore key to achieving high quality parts. To investigate the draping and shearing behaviour of NCFs, geometries with complexities associated with the composite structure are used. This study presents an experimental campaign on two large scale (2 metres in span) geometries with complexities representative of aerostructures. The combination of features such as ramps and curvature with corner radii leads to distinctive out-of-plane wrinkling. The relationship between geometry, material and resulting preform quality is observed through the use of 3D scans. Results show differing preform quality in terms of wrinkling phenomena, showing the importance of geometry of choice for material drapability tests at an industrial scale.

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M3 - Conference Contribution (Conference Proceeding)

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Martin CJ, Maes V, McMahon T, Kratz J. Large Scale Forming of Non-Crimp Fabrics for Aerostructures. In Vincze G, Barlat F, editors, Achievements and Trends in Material Forming- Peer-reviewed extended papers selected from the 25th International Conference on Material Forming, ESAFORM 2022. Trans Tech Publications Ltd. 2022. p. 1387-1398. (Key Engineering Materials). doi: 10.4028/p-809h64

Large Scale Forming of Non-Crimp Fabrics for Aerostructures

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