Permeability characterization of a biaxial stitched fabric: Insights from 2D flow experiments under unsteady and steady flow regimes

Hasan Caglar, Ercument Murat Sozer, School of Aerospace, Transport and Manufacturing, Centre for Materials, Cranfield University, Mechanical Engineering Department, Koc University

Journal of Composite Materials

Published online on December 23, 2025

Abstract

Journal of Composite Materials, Ahead of Print.
This study investigated in-plane permeability of a biaxial stitched E-glass fabric preform using 2D (radial) flow experiments under constant-injection pressure at fiber volume fractions ofVf=41–54%. Unsteady permeability was determined through a ...