In-plane permeability characterization of engineering textiles based on radial flow experiments: A benchmark exercise

  • David May*
  • , A. Aktas
  • , S. G. Advani
  • , D. C. Berg
  • , A. Endruweit
  • , E. Fauster
  • , S. V. Lomov
  • , A. C. Long
  • , P. Mitschang
  • , Sergey G. Abaimov
  • , D. Abliz
  • , I. Akhatov
  • , Ali Anttho
  • , T. D. Allen
  • , S. Bickerton
  • , M. Bodaghi
  • , B. Caglar
  • , H. Caglar
  • , A. Chiminelli
  • , N. Correia
  • B. Cosson, M. Danzi, J. Dittmann, Paolo A. Ermanni, G. Francucci, A. George, V. Grishaev, M. Hancioglu, M. A. Kabachi, K. Kind, M. Deléglise-Lagardère, M. Laspalas, O. V. Lebedev, M. Lizaranzu, P. -J. Liotier, P. Middendorf, J. Morán, C. -H. Park, R. B. Pipes, M. F. Pucci, J. Raynal, E. S. Rodriguez, R. Schledjewski, R. Schubnel, N. Sharp, G. Sims, E. M. Sozer, P. Sousa, Rehan Umer, W. Wijaya, B. Willenbacher, A. Yong, S. Zaremba, G. Ziegmann, International Benchmark Excercise
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

110 Citations (Scopus)

Abstract

Although good progress was made by two international benchmark exercises on in-plane permeability, existing methods have not yet been standardized. This paper presents the results of a third benchmark exercise using in-plane permeability measurement, based on systems applying the radial unsaturated injection method. 19 participants using 20 systems characterized a non-crimp and a woven fabric at three different fiber volume contents, using a commercially available silicone oil as impregnating fluid. They followed a detailed characterization procedure and also completed a questionnaire on their set-up and analysis methods. Excluding outliers (2 of 20), the average coefficient of variation (cv) between the participant’s results was 32% and 44% (non-crimp and woven fabric), while the average cv for individual participants was 8% and 12%, respectively. This indicates statistically significant variations between the measurement systems. Cavity deformation was identified as a major influence, besides fluid pressure/viscosity measurement, textile variations, and data analysis.
Original languageEnglish
Pages (from-to)100-114
Number of pages15
JournalComposites Part A: Applied Science and Manufacturing
Volume121
DOIs
Publication statusPublished - Jun 2019

Keywords

  • A. Fabrics/textiles
  • B. Permeability
  • D. Process monitoring
  • E. Liquid composite molding
  • E. Resin flow

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials

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