Stamp forming behaviour of palm fiber composite

Nur Al Hafizuddin , Mohd Arabai (2013) Stamp forming behaviour of palm fiber composite. Project Report. UTeM, Melaka. (Submitted)

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Abstract

In V-bending process, the most sensitive feature is elastic recovery during unloading called spring-back. This phenomenon will affect bend angle and bend curvature. This research reflects the different parameters on spring-back in V-bend die of oil palm empty fruit bunch (OPEFB) fiber reinforced polypropylene (PP) such as forming rate, tool radius and temperature are studied. The composites were produced by mixing chamber of Haake PolyLab Open System modular torque rheometer and punched by hot pressed machine. Then, V-bending test was carried out using Universal Testing Machine (Instron: 5585). The effect of tool radius, feed rate and temperature to spring-back angle of PFC had been investigated and the result shows tool radius and temperature give significant effect to spring-back angle. Based from the result obtained, the suggested temperature and tool radius that should be used to get the smallest spring-back angle or greatest shape conformance is 150(oC) and 2mm.

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