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Journal of Porous Media
IF: 1.752 5-Year IF: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v14.i1.20
pages 17-31

CHAMBER LENGTH AND INJECTION-SLOT LOCATION AND MULTIPLE SLOTS FOR TAPERED RESIN-INJECTION PULTRUSION

R. Mitlapalli
University of Mississippi, Department of Mechanical Engineering, 201H Carrier Hall, University, Mississippi 38677, USA
Jeffrey A. Roux
University of Mississippi, Department of Mechanical Engineering, USA
Anil L. Jeswani
University of Mississippi, Department of Mechanical Engineering, USA

ABSTRACT

Pultrusion is a manufacturing process for producing continuous lengths of composite materials with constant cross-section area. The primary objective of this study is to improve the quality of the pultruded part by achieving complete reinforcement wet out in the resin-injection pultrusion process. Complete wet out of the composite matrix mainly depends on processing parameters, design parameters, and the injection-chamber length. The present work deals with the impact of design parameters (axial location of injection slot and multiple injection slots) on the minimum resin-injection pressure required to achieve complete wet out along with the associated chamber exit pressure for various resin-injection-chamber lengths.


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