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Injection molding of short coir fiber polypropylene biocomposites: Prediction of the mold filling phase
Author(s) -
Semlali Aouragh Hassani FatimaZahra,
Ouarhim Wafa,
Zari Nadia,
Bensalah Mohammed Ouadi,
Rodrigue Denis,
Bouhfid Rachid,
Qaiss Abou el kacem
Publication year - 2019
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.25265
Subject(s) - materials science , composite material , polypropylene , mold , molding (decorative) , rheology , melt flow index , flow (mathematics) , fiber , phase (matter) , polymer , mechanics , chemistry , physics , organic chemistry , copolymer
The mold‐filling phase in injection molding is the most important one because the material flow behavior controls the final part structure. In this work, the effect of melt rheology on the flow front progression of coir fiber (2.5, 5, 10, and 15 wt%) filled polypropylene is investigated. The flow behavior is predicted using the incompressible Navier–Stokes equations to determine the flow front shape and position and the model proposed is in good agreement with the experimental results for the range of conditions studied. Finally, to provide a better understanding of the effect of different processing conditions (pressure, melt, and mold temperature) on the flow front evolution, several simulations were performed using Autodesk Moldflow Insight. POLYM. COMPOS., 40:4042–4055, 2019. © 2019 Society of Plastics Engineers