Mechanical Property Characterization of Fiber-Reinforced Polymer Wood-Polypropylene Composite Panels Manufactured Using a Double Belt Pressing Technology

AbstractA novel manufacturing process for wood-polypropylene composite (WPC) panels reinforced with fiber-reinforced polymer (FRP) sheets was implemented using a double belt pressing technology. FRP sheets were placed on both sides of the WPC agglomerates during fabrication, which resulted in increa...

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Bibliographic Details
Published in:Journal of materials in civil engineering 2012-09, Vol.24 (9), p.1193-1200
Main Authors: Tamrakar, Sandeep, Shaler, Stephen M, Lopez-Anido, Roberto A, Gardner, Douglas J, West, Christopher H, Han, Yousoo, Edgar, Russell
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Exact sciences and technology
Fiber reinforced plastics
Materials
Mathematical models
Mechanical properties
Modulus of rupture in bending
Panels
Plastics
Polymer matrix composites
Pressing
Sheets
Technical Papers
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Summary:AbstractA novel manufacturing process for wood-polypropylene composite (WPC) panels reinforced with fiber-reinforced polymer (FRP) sheets was implemented using a double belt pressing technology. FRP sheets were placed on both sides of the WPC agglomerates during fabrication, which resulted in increased productivity and reduced thermal stresses compared with secondary bonding processes. Significant improvements in the mechanical properties of the FRP reinforced sheet panels were found during flexural and tensile tests on the coupon level. Even with addition of only one layer of FRP reinforcement on both sides of a WPC panel, the flexural modulus and strength increased by a factor of 2.6 and 3.8, respectively. Furthermore, the flexural and tensile properties of the WPC material considered in this study were found to be superior compared with the properties of an extruded WPC material. The changes in the flexural modulus of the FRP reinforced WPC panels with respect to the number of FRP layers were predicted using a model based on moment-curvature analysis.
ISSN:0899-1561
1943-5533
DOI:10.1061/(ASCE)MT.1943-5533.0000489