TIME RESOLVED IN-SITU CT SCANNING OF NON-CRIMP FABRIC FORMING

Claudia Jimenez Martin, Ronan Smith, Mark Mavrogordato, Sebastian Rosini, Vincent Maes, Ian Sinclair, Turlough McMahon, James Kratz

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

1 Citation (Scopus)

Abstract

A better understanding of wrinkle development in dry fibre forming processes can help select the most appropriate material and process parameters. This paper shows the evolution of wrinkles occurring in a single diaphragm forming process using novel time-resolved in-situ CT scanning. Forming trials were carried out using a representative curved C-spar geometry and a [0°/45°] Non-Crimp Fabric layup. A custom walk-in X-ray CT system allowed for the detailed 3D visualisation of the evolution and formation of subsurface defects. Results showed correlation between the waviness observed in the preform during partial vacuum and that in the fully vacuum and consolidated state. Overall, this study proves a methodology for in-situ CT scanning of a preforming process and shows the potential for time resolved in-situ CT to provide detailed information on the behaviour of dry fabrics during forming.

Original languageEnglish
Title of host publicationManufacturing
EditorsAnastasios P. Vassilopoulos, Veronique Michaud
PublisherComposite Construction Laboratory (CCLab), Ecole Polytechnique Federale de Lausanne (EPFL)
Pages1052-1059
Number of pages8
ISBN (Electronic)9782970161400
Publication statusPublished - 2022
Event20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022 - Lausanne, Switzerland
Duration: 26 Jun 202230 Jun 2022

Publication series

NameECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability
Volume2

Conference

Conference20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022
Country/TerritorySwitzerland
CityLausanne
Period26/06/2230/06/22

Bibliographical note

Funding Information:
The research presented was supported by Airbus, part funded by the UK’s Aerospace Technology Institute, and the EPSRC through the Centre for Doctoral Training in Composites Manufacture (EP/L015102/1), the Programme Grant ‘Certification for Design – Reshaping the Testing Pyramid’ (CerTest, EP/S017038/1), and the National Research Facility for Lab X-ray CT (EP/T02593X/1). The support received is gratefully acknowledged.

Funding Information:
The research presented was supported by Airbus, part? funded? by? the? UK’s? Aerospace? Technology?

Funding Information:
Institute, and the EPSRC through the Centre for Doctoral Training in Composites Manufacture (EP/L015102/1), the Programme?Grant?‘Certification for Design – Reshaping the Testing Pyramid’?(CerTest,?EP/S017038/1), and the National Research Facility for Lab X-ray CT (EP/T02593X/1). The support received is gratefully acknowledged.

Publisher Copyright:
© 2022 Jimenez Martin et al.

Keywords

  • forming
  • in-situ CT
  • Non-Crimp Fabric

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