Title: New set-up for measurement of permeability properties of fibrous reinforcements for RTM
Authors: Hoes, Kris ×
Dinescu, Daniela
Sol, Hugo
Vanheule, Marleen
Parnas, Richard S.
Luo, Yiwen
Verpoest, Ignace #
Issue Date: 2002
Publisher: Elsevier Science Ltd.
Series Title: Composites A, Applied Science and Manufacturing vol:33 issue:7 pages:959-969
Abstract: Resin transfer molding (RTM) is becoming increasingly important as a production technique for FRPs. However, the design of molds that assures the production of parts with acceptable quality remains a difficult task. Simulation codes developed for design need reliable input data such as reinforcement permeability. The measurement of this material parameter is still not standardized and thus many different set-ups have been proposed. In this paper a new method will be presented that is much faster and much less operator-dependant than other set-ups. It is a 2D central injection set-up, based on the automatic detection of the flow front position as a function of time. For this purpose, simple electrical sensors were designed and an automated calculation procedure was programmed on a PC-based system. As will be shown, the elements of the permeability tensor are not single valued at a particular fiber volume fraction. Rather, each element displays a broad distribution. More importantly, the variations in the principal permeability values are not correlated since their ratio, the anisotropy, also displays a broad distribution. (C) 2002 Published by Elsevier Science Ltd.
ISSN: 1359-835X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Mechanical Metallurgy Section (-)
× corresponding author
# (joint) last author

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