An investigation of the processability of natural fibre reinforced polymer composites on shallow and flat thin-walled parts by injection moulding process
Mohd. Azaman, Md Deros
Mohd Sapuan, Salit, Prof. Ir. Dr.
Shamsuddin, Sulaiman, Prof. Dr.
Edi Syams, Zainudin, Prof. Madya Dr.
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Currently, many industries are trending towards producing products exhibit such properties as small thickness, lightweight, small dimensions, and environmental friendliness. In this project, flat or shallow thin-walled parts were designed to compare the advantages and disadvantages of lignocellulosic polymer composites (PP + 50. wt% wood) in terms of processability. This study focused on the filling, in-cavity residual stresses and warpage parameters associated with both types of thin-walled moulded parts. Thin-walled parts 0.7. mm in thickness were suitably moulded using lignocellulosic composite materials to determine the effects of filling. The analysis showed, the shallow thin-walled part is preferable in moulding lignocellulosic polymer composite material due to the low residual stress and warpage measured. The results also indicate that the shallow thin-walled part is structurally rigid, such that it can be used in applications involving small shell parts, and can be processed more economically using less material than the flat thin-walled part.