Complete wetout of the dry fiber reinforcement by the liquid resin depends strongly on the fiber volume fraction and the resin viscosity of the part being manufactured by rein injection pultrusion. High fiber volume fractions and high resin viscosity values yield high pressures in the tapered resin injection chamber; this work investigates the use of a an injection chamber detached from the pultrusion die in order to lower the resin pressures inside the injection chamber caused by the injection chamber tapering. A 3D finite volume technique was developed to simulate the flow of resin through the glass rovings for a variety of resin viscosities and fiber volume fractions. The results illustrate the impact of the tapering of the injection chamber walls on the minimum injection pressure necessary to achieve complete fiber matrix wetout and the resin pressure induced inside the tapered injection chamber. The results provide important injection chamber design information.
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e-mail: jeswani_anil@yahoo.com
e-mail: meroux@olemiss.edu
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April 2010
Research Papers
Impact of Fiber Volume Fraction and Resin Viscosity With Die-Detached Tapered Chamber in Resin Injection Pultrusion
A. L. Jeswani,
A. L. Jeswani
Department of Mechanical Engineering,
e-mail: jeswani_anil@yahoo.com
University of Mississippi
, University, MS 38677
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J. A. Roux
J. A. Roux
Fellow ASME
Department of Mechanical Engineering,
e-mail: meroux@olemiss.edu
University of Mississippi
, University, MS 38677
Search for other works by this author on:
A. L. Jeswani
Department of Mechanical Engineering,
University of Mississippi
, University, MS 38677e-mail: jeswani_anil@yahoo.com
J. A. Roux
Fellow ASME
Department of Mechanical Engineering,
University of Mississippi
, University, MS 38677e-mail: meroux@olemiss.edu
J. Manuf. Sci. Eng. Apr 2010, 132(2): 021007 (11 pages)
Published Online: March 31, 2010
Article history
Received:
May 8, 2009
Revised:
January 22, 2010
Online:
March 31, 2010
Published:
March 31, 2010
Citation
Jeswani, A. L., and Roux, J. A. (March 31, 2010). "Impact of Fiber Volume Fraction and Resin Viscosity With Die-Detached Tapered Chamber in Resin Injection Pultrusion." ASME. J. Manuf. Sci. Eng. April 2010; 132(2): 021007. https://doi.org/10.1115/1.4001138
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