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Journal of Composite Materials
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Permeability-Porosity Relationship in RTM for Different Fiberglass and Natural Reinforcements

E. Rodriguez

F. Giacomelli

Research Institute of Material Science and Technology INTEMA, Universidad Nacional de Mar del Plata J. B. Justo 4302, 7600 Mar del Plata, Argentina

A. Vazquez

Research Institute of Material Science and Technology INTEMA, Universidad Nacional de Mar del Plata J. B. Justo 4302, 7600 Mar del Plata, Argentina anvazque{at}fi.mdp.edu.ar

This study investigates the permeability-porosity relationship for glass and natural fiber mats. The estimation of the permeability-porosity relationship for glass mats is not new and has been investigated before by several authors, but in the present paper the same relationship was discovered for natural fibers. The experimental permeability values were fitted by the Carman-Kozeny equation with two fitting parameters: the Kozeny constant and the exponent of the porosity. The obtained permeability for the natural fiber mats shows higher values than glass fiber mat.

Key Words: RTM process • permeability • porosity • natural fiber • sisal fiber • jute fiber • glass fiber

Journal of Composite Materials, Vol. 38, No. 3, 259-268 (2004)
DOI: 10.1177/0021998304039269
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